Version history
NLR GAS TURBINE SIMULATION PROGRAM GSP for MS-WINDOWS
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GSP version 11.0.4.2 release notes, 11-01-2010
CONTENTS:
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1. Version history
2. Hints
3. Known issues
4. Other
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1. VERSION HISTORY
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GSP v11.0.4.3 11-01-2010
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Fixed
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* Issue 0000036 related to the mixer has been fixed, this includes The entry
pressure conflict message now being displayed only for a converged simulation
rather than for every iteration step, skipping of message when batch mode is
selected (instead a comment in the output table will be shown), and PR static
core over duct output parameter is now based on the actual value depending on
the chosen model option, not just the value shown in the static pressure ratio
input field.
* DP Equation controller scheduled parameter component property list now
Design properties (was not OD).
Improvements
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* Pop-up added to the projects 'List docking windows' window to close/open more
shown/hidden windows.
GSP v11.0.4.2 11-01-2010
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Fixed
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* Problem saving and then opening model configurations in old .MDL format.
Improvements
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* Invisible components list not shown in separate window anymore but instead in
docking panel in project window (next to Details panel tab). If tab is hidden
use the project windows main menu 'view'->'list docking panels' option to
double click the hidden invisible components list.
GSP v11.0.4.1 08-01-2010
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Fixed
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* Fixes for the Mantis bug report with ID 0000034 / 0000028; Crash on loading
saved project with customer specific install effects component.
GSP v11.0.4.0 21-12-2009
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New features
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* The calculated maximum design load has been added to the turbine component PTO
option. When enabled the max. calculated design load (PTOmaxdes..) or torque
(TQmaxdes..) will be added to the output table depending on the chosen "Design
External load / PTO" (either Power or Torque). This allows quick manual
iteration when designing a cycle without the need to open the component
window.
Improvements
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* In addition to Mantis bug report 0000032: Cannot set Add. Outp. Component
through Case Control Component: the unit input string is now used to display
the unit string in the Case Control Component input parameter list.
* Unit added in equation schedulers expression input box for selected output
parameter name. Now referencing output parameters in case controlers will
display the correct name and unit. Note that for the advanced property
selection interface no unit will be shown.
GSP v11.0.3.7 11-12-2009
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Fixed
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* Mantis bug report 0000032: Cannot set Add. Outp. Component through Case
Control Component. Now setting of a value is possible, e.g. useful when the
add. output value is part of a calculation of another add. outp. parameter.
* Mantis bug report 0000029: Power controller map schedule graphs have incorrect
captions for the X/Y axis. Captions corrected.
* Bugs when using recuperator/heat exchanger heat sink/soakage functions.
* Recuperator/heat exhanger heat sink/ ext. wall soakage and volume effects
output can now be added to the output list.
* Problem using calculated expression format directly after using calculated
expression value in carpet plot legend.
* Few other small bugs related to calculated expressions
* Few bugs related to copy/revert/move to parent and child operations.
* Problem with output of 2nd flow heat soakage/sink heat flux in heat exhanger
recuperator components.
* Bug with volume dynamics (transient) effect calculation. This bug is inherited
from the DYNGEN code of 1975 ! See TGasiocompform.CalcVdynamics procedure.
* Small problem with link bars when very short (more than 2 link icons trying
to link each other simulatenously).
* Bug causing erroneous working of Limiter component (due to new additional call
to CalcAdditionalOutput during iteration). Conversion switch added to control
this.
Improvements
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* Mantis bug report 0000033: Inlet entry station label position not adjusted
after the component has been rotated. All labels on the component icon (except
the component number) are now repositioned when the component is rotated.
* After opening project, if graph panel selected, it now immediately shows data
in case output table saved Project option active.
* If project was saved in Windows Minimized state (taskbar icon only), e.g.
when prompted upon closing GSP, opening the project will put the projec
window in Normal state again.
* The groupbox caption of the series (de-)activation on the general options
input tab sheet is now correctly named.
* Heat transfer user data tables in Heat sink component and gas path components
improved with more consistent read only setting and blue font coloring.
* Improved logging of Copy-to-parent action: now only a 'Changed by copy to
parent (from child "node ID")' entry appears added to Parent Log and nothing
in focused Config/Case log from where the copy-to-parent action was executed.
* New log items now added at top of Config/case Log data panel (so log data now
sorted with date-time descending) for more convenience.
* Revert to parent Project tree command sets all data equal to parent, also in
the Xml underlying data. Cannot be undone by Cancel since the editing
operation is in the Project tree itself.
* Revert component to parent only done in local data (not in XML), can be undone
since this is an operation in the model data.
* Additional Log data ('Changed by revert...) items added when Reverting to
parent of Reverting component to parent.
* Additional Log data ('Changed by revert...) items added when Copying config,
case or component to parent or moving component to childs. Log data of
affected parent of child config/cases are affected only.
parent of Reverting component to parent.
* Made heat sink and soakage effect tabsheets invisible in heat
exchanger/recuperator components: interference with hx heat flux results in
conflicting states: use duct components at entries and exits of flows instead
to model heat sink/soakage effect. Note that the Dynamic HX/Recup.
* The Dynamic Heat Exchanger/Recuperator has been removed from the Multi In/Out
component library. It's specific functionality (internal heat soak, volume
dynamics) has been moved to the standard Heat exchanger recuperator component.
* Improved heat sink/soak, volume effect model in Duct and related components.
An iteration loop has been added around the heat sink, soak and volume
dynamics code to obtain a component exit temperature corresponding to the
average in/out temperature used for heat transfer calculations.
New features
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* An option called "List Non-Visible Components" has been added to the model
menu item of the project windows main toolbar. This option will list the
non-visible components like shafts and bleed in/outflows.
* Copy component to parent option (if Copy to parent environment option active)
added for copying component xml data to parent. Note that this immediately
set the Project to modified mode since the underlaying XML data is modified
directly and it cannot be undone by Cancel if exiting from the Config or Case.
GSP v11.0.3.6 06-09-2009
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Fixed
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* Problem changing steady-state and transient map operating curve line style and
other properties.
GSP v11.0.3.5 24-08-2009
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Fixed
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* Incorrect JP-10 jet fuel combustor calculation problem.
New features
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* 1st order lag transfer function added to input controls for transient (in
transient tab).
* Transfer function component added to Auxiliary component library for example
to simulate simple sensor dynamics of parameters that are used in schedules.
GSP v11.0.3.4 28-07-2009
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Fixed
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* Calculation aborting due to combustor OPR calculation in afterburner mode (OPR
calculation for combustor in afterburner is not required).
Improvements
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* Reset OD to DP input command now in speed button toolbar. This command runs
a DP and resets all single point input values to DP input values.
* Speed button for Model re-initialization improved to look like reset button.
* Option to use separate OD CV and CX factors in Exhaust nozzle, default = off
meaning always DP values are used. This prevents the inadvertent difference
between DP and OD CV and CX values after opening existing older version
models.
* On-line help and user manual updated.
* Now fuel pump power specification in the combustor component made separate
for DP and OD.
New features
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* 1st order lag transfer function added to input controls for transient (in
transient tab).
GSP v11.0.3.3 09-07-2009
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Fixed
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* Calculation of the exhaust area of Convergent-Divergent nozzles with enabled
ideal (complete) expansion over the nozzle. Also Aexit/Athroat is
recalculated.
Improvements
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* Con-di nozzle area (A9) and area ratio is now calculated for the 'Ideal con-di
nozzle complete expansion' option.
* Calculation procedure for effect of exhaust nozzle component velocity ratio
Cvjet improved: now Cvjet only affects exit flow conditions: throat in case
of a convergent nozzle (when choked, Psthroat/exit will decrease with Cvjet
decreasing, when unchoked, Vjet will decrease. For a con-di nozzle, divergent
duct exit velocity will be corrected and Ps, Ts corrected if necessary.
* Separate OD CV and CX factors added in Standard Exhaust nozzle component.
* On-line help and user manual updated.
New features
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* From then general model options tab sheet the modeller can now quickly (re)set
all deterioration data values to 0. Note that this differs from the button to
de-activate the deterioration modes!
GSP v11.0.3.2 15-06-2009
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Fixed
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* Problems with case control of Exhaust nozzle parameters (controls
disabled).
* Case control error message for disabled controls now only upon starting
simulation (not during change of simulation type).
* Standard docking layouts optimized for minimal screen resolution 1024x768.
* Standard docking layout now with all custom libraries docked, no xml file used
anymore for standard main form docking layout.
* Sample projects updated.
GSP v11.0.3.1 8-06-2009
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Fixed
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* LE Light Edition (LE) bug with storing model data.
* Problem overlapping controls in customer specific Inlet component.
* Problem adding Calculated column when popup menu accessed from existing
calculated column.
Improvements
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* "DP input changed..." message dialog disabled for design and design series
case types.
* Heat exchanger/recuperator effectiveness definition now fully enthalpy based:
Effectiveness now equals actual heat transfered divided by maximum heat
transfer Qactual/Qmax. Qmax is the heat that would be required to change the
temperature in the flow with lowest W*Cp from the cold side inlet to the hot
side inlet flow. See on-line help/manual for more information.
* Some problems with OD simulation of recuperated cycles solved.
* OPR calculation made more robust. However, the OPR calculation assumes the 1st
combustor (and does not calculate OPR for combustors using AB maps).
New features
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* Option added to component popupmenu to quickly (de)activate control
components (e.i. components having a "Active" checkbox on the "General" tab
sheet).
* Project defaults section added to Environment options to set default values
for Project options and other options in the Reference model configuration.
Added: default for Calculate map scaling values in Design Point cases.
GSP v11.0.3.0 15-04-2009
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Fixed
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* Few small visual GUI items.
GSP v11.0.2.10 07-04-2009
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Fixed
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* Small bug in Combustor Ttexit iteration convergence failure reporting.
Improvements
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* Series/Transient input tables GUI improved: automatic initial point/time value
for new apppended/inserted rows and data entry dialog pop-up.
* Combustor component Fuel compressor model improved: now static combustor inlet
pressure is taken instead of total as the minimum pressure required to inject.
An additional injection overpressure can be specified. If static combustor
inlet pressure is not available (no area specified) total is taken instead.
* On line help/manual updated. Extended with section on Fuel pump/compressor.
GSP v11.0.2.9 02-04-2009
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Fixed
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* Bug calculating Inlet design mass flow with MIL RR option and DP RR other
than exactly 1 (unity).
* Map scale to model option in Map graph window now properly enabled/disabled.
* Bug detecting changes in NumFld's, causing failure to propagate changes.
* Bug causing improper reset to pre-edit values on Cancel in some cases.
Improvements
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* Map scaling can now be requested also in DP cases, in order to study the
map scaling factors for examply, which are calculated during the DP
calculations prior to OD runs. Check the "Calculate map scaling factors in
Design Point cases" option in the Initialization tab sheet in the General
options.
* Inlet MIL-E-5008B RR relation, (when selected) is scaled to design RR/PR.
Warning/indication mechanism is added to notify user in case of scaling due
to non-unity design RR.
* Ambient condition and standard MIL-E-5008B RR information box added in Inlet
component.
* Case mode data set to Changed (causing save case prompt) upon DP calculation
when "Auto reset OD input to DP after completion of DP case calculation"
General | Initialization option set.
* Significant speed-up of Project tree browsing: was slowed down by rebuild of
Details data tree and duplicate rebuilds which are now avoided. Speed now fast
if Details tree not visible, slower if visible.
New features
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* Heat loss fraction input parameters added to compressor and turbine
design tab sheets to control the fraction of total Heat soakage and
Heat sink heat loss that is taken out/going into the process before expansion
or compression and thereby affects turbine/compressor work.
The rest of the heat flux (1-fraction) is taken out/added after expansion or
compression. Up to this version, the fraction was fixed at 0.5.
Note that the expansion/compression processes themselves are calcated as
adiabatic "in between" the 2 heat flux stages.
* LE Light Edition (LE) released with limited functionality for free
non-commercial use.
GSP v11.0.2.8 21-03-2009
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Fixed
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* Problem OD splitter data editable in configuration.
* The design pressure ratio input box interaction with the inlet option
MIL-E-5008B for a non-unity value of the design pressure ratio has been
removed.
* Problem enabling/disabling bleed grid controls in gas path components.
* Problem with in gas path components Bleeds grid when adding row with flow or
fraction column selected.
* Unit selection combo box now responds to user selection.
* Bug properly changing unit system and values accordingly (bug was present
since numfld was given expression input capability).
* Output of condi ratio always 1 if convergent nozzle, even in deactivated
con-di ratio field <>1.
* Problem with map grids (customer specific Installation loss and Power control
components) with Map grid embedded in model xml.
* Bug error due to empty filename when saving operating point report text file.
* Problem with not accepting modified (in edit mode) data of the Flight/Ambient
Conditions steady state (or transient) dialog.
* Bug in calculation of NGVexit total pressure in the single turbine stage
component.
Improvements
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* If outputs are added from the "Flight/Ambient Conditions" tab of the central
output form and the user selects OK, a confirmation to apply these settings
will be displayed (similar to "Components" tab output options).
* Sample Project folder now ..\Sample Projects (was ..\Sample Models).
* Default Project folder now My Documents\GSP\Projects (was ..\Models).
* Install Effects components now stop simulation when component has no proper
setup (rather than continuing the calculation with lots of message dialogs for
users to confirm).
* Hint added to the q option (dynamic pressure) which equals 0.5*rho*Vt^2 or
alternatively can be written as 0.5*Ps*gamma*M^2 in the Flight/Ambient input
window.
* Renamed the q option of the "Operating Envelope Scheduler" to Dynamic Head,
which is defined as the difference between the total and static pressure
(Pt-Ps).
* Consistency check in gas path components Bleeds grid to prevent duplicate
bleed numbers.
* "Auto reset off-design input to DP at DP case calculations"
General | Initialization option no works also if OD and DP input types
different in component such as combustor (DP input) and fuel control (OD
input).
* Input control in map grids (customer specific Installation loss and Power
control components): now map grids can only be edited in configurations.
* Map design point rectangle now also drawn in bitmap/emf exports via
clipboards, if map is scaled to DP. If not scaled, map DP rectangle only
shown in map graph window.
* On-line help/User Manual on maps extended/improved.
* Changed default report editor format to plain text to prevent rtf formatting
tags in exported txt files.
GSP v11.0.2.7 12-02-2009
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Adaptations
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* Turbine component moment of inertia and mechanical efficiency field now always
editable; also in configurations.
Fixed
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* Problem inheriting embedded map data (and deleting xml data when reverting to
file map storage option).
* Problem with calculating drag values of installation effects components.
* The dis- and enabled state of the reference area input field of the install
effects component data form is now set by the enabled state of the "active"
check box of the Afterbody Drag tab sheet.
GSP v11.0.2.6 23-01-2009
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Improvements
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* Operating envelope component Control component combobox now only populated
with compatible components (input components or schedule components with
transient input tables such as Power control). This means all Control and
Power library controls are added to the drop down list.
* Code: SetComboBoxList_with_CnameList_and_Class method now has AddToList switch
to add to component select combobox list instead of replace all items.
* Moved the property control component to the Controls library (from the
Scheduling library) for better consistency.
* Changed the way Nc and Tcorr of shaft objects are calculation:
Now the shaft corrected speed is defined as the shaft rotor speed corrected
to ISA using the entry conditions of the FIRST turbomachinery component in
the gas path on the shaft.
* Improved captions and on-line help explanation for the Bleed flow scheduler
control component.
* Default 'hs' component ID string for heat sink component (was still empty).
Fixed
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* Problem with running models having a customer specific intake component (fixed
initialization of maps).
* Map filename not shown in Case/Config Details tab sheet problem.
* Problems propagating data from map frames and confirming propagation.
* Problem Numeric field combobox not populated in Case control components.
GSP v11.0.2.5 22-01-2009
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Fixed
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* Problem with reset of internal environment option values being reset after
Cancel.
Improvements
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* Option to truncate turbomachnery component map eta output to 0 when negative
values are read (default off for compressors, default on for turbines).
GSP v11.0.2.4 15-01-2009
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Fixed
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* Global values DSpill and DAftend are now correctly displayed, or summed when
multiple install effect components are used.
* Customer specific spill drag maps can be stored local.
* Fixed customer specific installation effects component reporting "Outp.Error"
in remark column of the output table while in fact no error had occurred.
* "Rogue text" (visible text labels that should not be visible) has been made
invisible for customer specific operating envelope scheduler and the customer
specific installation effects component.
Improvements
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* On-line help file updated.
* Customer specific power controller scale check mark for scaling maps is now
default checked (used maps are now default unscaled!).
* A separate input field for specifying the reference area (S) of the afterbody
drag calculation formula of the customer specific Installation effects
component is added.
GSP v11.0.2.3 05-01-2009
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Fixed
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* Bug with giocomp's AddBleeds routine not returning true.
* Bug in A8 calculation in customer specific Exhaust nozzle component.
Improvements
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* "Update input to DP" buttons in component window Design tab sheets (to uUpdate
inactive input field values to last calculated Design Point if available) now
always active (also in OD cases). Applies to Combustor, Nozzle and Mixer
components.
GSP v11.0.2.2 18-12-2008
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Fixed
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* Non critical Nozzle Pressure ratio warning in customer specific Installeffects
unit fixed. The third option used second option combobox instead of the third
to check whether the user had entered input.
* Loading of embedded afterbody maps in map grid in customer specific
installation effects component.
* Spurious warning message 'Nozzle Pressure Ratio "output parameter" has not
been set!' in customer specific installation effects component.
* Customer specific installation effects component parameter name Daftbody has
been changed to the global parameter name Dafterbody.
Improvements
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* On-line help updated.
* Customer specific On-line help updated.
* Customer specific reheat component BPR boundaries are now exactly conform the
Fortran implementation (BPR <= 0.4; 0.4 < BPR < 0.6; BPR >= 0.6).
* Customer specific flight envelope scheduler output parameter Daftbody renamed
to Dafterbody and installed option is now default for generating report.
* Default customer specific flight envelope component specific output option
changed from uninstalled to installed.
* Customer specific installation effects map grid extrapolation updated.
GSP v11.0.2.1 17-12-2008
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Fixed
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* Problem AV after when canceling Insert new or paste case or configuration
in project tree.
* Problem with AV after deleting newly added case or config in project tree.
* Customer specific component library only: Problem in customer specific Exhaust
Nozzle component with "CD design from NPR schedule" option active OD throat
geometric area not properly taken from DP value.
GSP v11.0.2.0 05-12-2008
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Fixed
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* Problem AV after when canceling Insert new or paste case or configuration
in project tree.
GSP v11.0.1.39 28-11-2008
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Fixed
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* Problem no default Splitter component ID string.
* Customer specific inlet fixes: Ancestor inlet options are now functional
again, output parameter (WCout_i/A1) for output option "oper.curve pars" now
available in data output table, design point shape invisible for customer
specific specific map option, and map axis captions conform map option.
* Problem copying components with embedded maps (map not loaded error).
* Problem deselecting from multiple component selection using Shft-Left mouse.
New features
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* Hide all library windows of the GSP main window (View -> Hide all libraries)
GSP v11.0.1.38 27-11-2008
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Fixed
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* Problems with manual scaling of map graph: graph fails to adopt decimals for
axes and contour labels.
* Bug not copying radiogroup and combobox field itemindexes with copying
components.
* Ctrl+Shift+O shortcut called from ReferenceModel node now names the inserted
configuration node.
* Problems copying combobox, radiogroup and numfield data during component copy.
* Problems copying embedded (local) maps during component copy.
* Problem with empty link nodes in Case/Config details tree.
* Problem unchecking Series/Transient input 'Active' checking when controlled
by power control during simulation.
* Customer specific inlet bug fix, and generally improved for 5th Q2c/A1 map
option.
* With the ideal con-di expansion option, now throat area is calculated
correctly again, and all shock parameters are set to 0.
Improvements
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* Paste item added to modelpanel pop-up menu.
* Paste and copy items in modelpanel pop-up menu disabled when nothing to copy
or paste.
* Single click opening of component model data entry window now disabled;
avoiding problems with second click inadvertently selecting options in
window.
Double-click always directly opens, also if not selected (except when
multiple comps selected: then a double click first selects the single comp).
* Spaces in node captions (i.e. node names) automatically replaced by '_' to
comply to XML rules and avoid errors during node copying/pasting.
* Mixer component now also equipped with Update to DP button instead of auto
reset to DP of disable field values, for correct change propagation.
* Change propagation mechanism depending on Mixer model option implemented.
* Project tree browsing speed increased.
* Stability of static flow properties calculation at very low temperatures
(around 200 K, e.g. inlet static flow properties at high altitude/low speed).
* Exhaust nozzle improved. With Geometric areas design options area control is
applied on geometric area before CD is applies and also cond-di area
ratio is applied on geometric areas before CD.
* Customer specific Exhaust nozzle option added to use CD and CV schedule for DP
also.
* Better error reporting after exceptions with the exhaust nozzle expansion
calculation.
* On-line help and user manual updated.
* Customer specific On-line help and user manual updated.
Adaptations
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* 'Auto reset off-design input to DP at DP case calculations' General
Initialization option now default OFF.
* OL-help and manual updated.
* Design CX and CV input fields in customer specific Exhaust nozzle component
made invisible (not used by modeler).
New features
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* Paste item in model panel to paste copied components.
Known issues
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* Problem copying embedded (local) maps defined in map grids.
GSP v11.0.1.37 04-11-2008
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem initializing security marking files from new Window user accounts.
* Problem unintented re-initializing security marking files when initializing
in other Environment option tab sheets.
* Problem setting control component transient/series input row if only single
data row to single input field value upon enter.
Improvements
--------------------------------------------------------------------------------
* Indication whether 'Account for fuel pump/compressor power' option in Fuel
pump tab sheet is checked in Fuel and Design fuel tab sheets. This is to
notify the user that the fuel temperature is only the temperature before
compression up to injection pressure, where the temperature is higher for
compressible fuel. It affects the combustor energy balance with the addition
of the fuel pump power.
* On line help and user manual updated.
* Fan stall margin (separate for core and duct map) now calculated for output.
* Unused transient data check now only if more than one data row specified (to
avoid error messages coming from single row data set to single input field
value per default).
GSP v11.0.1.36 03-11-2008
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Fixed
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* Problem with enabling / disabling 'User specified'/'Free state' options in
Input control components with 2 inputs.
* Fixed inserting of case nodes when childs contain a config node.
Improvements
--------------------------------------------------------------------------------
* Exhaust nozzle control Model options (Only throat or Con-di ratio control)
now only enabled in configurations and DP cases. This is because Con-di ratio
may represent a free state which is only to be determined in configs or DP.
Par names/captions made more consistent.
* On-line help system and user manual updated.
Adaptations
--------------------------------------------------------------------------------
* The Heat sink component has been moved to the Auxiliary components library.
GSP v11.0.1.35 15-10-2008
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New features
--------------------------------------------------------------------------------
* Reset OD to DP input button in Ambient/Flight conditions.
* Reset OD to DP command in Model menu (recalculates DP and sets all OD input to
DP input value).
* Scale factor values in Map graph panel status bar if scaled to DP.
Example projects
--------------------------------------------------------------------------------
* PW4056 turbofan engine project for analyzing performance throughout flight
envelope and generating performance deck IMPROVED
Fixed
--------------------------------------------------------------------------------
* Bug in calculation of heatsink Q on design point in turbine component.
* Problem heat sink not specified error when specifying direct Q (no need for
heat sink in giocomp heat sink row).
* Bug causing 'cannot focus ... window' after changing case type and auto popup
of report editor.
* Problems with Linked checking of Deleted components with parents.
* Problems with Governor control (inadvertent setting of PLAdes to Wfdes).
* Problem with Graph panel copy menu appearing on copied graph bitmap.
* Problem with zooming/unzooming map graphs.
* Not updating unit of Wc in scaled turbine map.
Improvements
--------------------------------------------------------------------------------
* Checking whether components can be moved to child cases/configs according to
case management rules (depeding on case management environment settings). This
for example prevents illegal config components moving to child cases.
* Checking whether components of which only single instances are allowed per
model config are not present in child cases/configs when adding these
components. This already worked for the focused config or case. Also works on
groups of which only one instance is allowed such as case management
components.
* Now component data entry window opens directly upon double clicking the
component icon.
* Change propagation now also works for all case/cfg options and ambient flight
conditions.
Adaptations
--------------------------------------------------------------------------------
*
GSP v11.0.1.34 01-10-2008
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New features
--------------------------------------------------------------------------------
* Heat sink model extended with radiation using user specified emissivity eps
in wall-to-ambient radiation model (Tw^4-Ta^4)*Cstefanboltzmann*eps. See
Heat sink tab sheets in gas path components and heat sink componet external
heat transfer. Wall temperature for radiation is calculated from heat sink
wall thickness, k and Q.
* Insert Case or Config function in Project tree pop-up-menu for inserting
an extra case or (if selected is config) configuration layer between selected
case/config and its childs.
* Function to move component down to next level of child configs and cases. Here
the component xml data is merged/copied to child config/case and then deleted
from current case. The action is confirmed after saving the config/case. This
is convenient to reorganize project tree, move down illegal case controls from
configs (GSP 10 upgraded models for example), for example in combination with
the 'Insert Case or Config function' described above.
Access this function with component pop-up menu item 'Move component to child
configs/cases'.
* Inter-heat sink heat transfer function added : in heat sink 'External heat
transfer' tab sheet, a table for specifying heat transfer coefficients [W/K]
among heat sinks is added.
* Problem with error in Heat sink External heat transfer when no shaft specified
fixed: without a shaft: Reynolds will be 0 (no rotation to enhance heat
transfer, velocity c=0) so use a Nusselt relation without Re.
Example projects
--------------------------------------------------------------------------------
* PW4056 turbofan engine project for analyzing performance throughout flight
envelope and generating performance deck
Fixed
--------------------------------------------------------------------------------
* Bug from .31 release preventing Calculated expressions output in operating
point report.
* Crash upon opening an (.mdl) model with a case component inside when a dialog
is presented to delete the component and answered by yes. On selecting yes,
GSP will now delete the component.
* Helpfiles can be opened from combustor and installation effects component, or
derivatives from these components (e.g. customer specific).
* (Un)hiding of the series tab sheet of control components has been improved
when multiple input parameters are available to the modeler. When setting an
input parameter to free-state, the input column on the series tab will be
hidden.
* Bug in calculation of heat sink flow in combustor component with TIT as input.
* Problem with using multiple constant expression components.
* Bug causing improper scaling of expression results in numeric input fields
(when using Constant expressions for example).
* Problem deleting unused transient data from Flight/Ambient conditions (single
transient row should not be reset to zeroes for Flight/Amb conditons)
Improvements
--------------------------------------------------------------------------------
*
Adaptations
--------------------------------------------------------------------------------
*
Known issues (issues identified and listed to be addressed later)
--------------------------------------------------------------------------------
* Slow program speed when opening large configs/cases.
* When opening multiple large model configurations (many components), GSP may
exceed Windows max USER OBJECTS setting (usually 10,000) resulting in a
'Not enough space to complete this command' error. Avoid this error by not
opening multiple very large projects (that is : projects with models including
large numbers of components). The 10,000 limit can be increased somewhat by
the user in the Windows registry but this is not recommended.
GSP v11.0.1.33 27-09-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Option to user specify Q in gas path component Heat Sink grid (instead of
using user specified Nusselt). This can be done either coupled to a Heat sink
component (involving equation, so then other component(s) must be connected
as well to compensate for the user specified Q according to equation) or
with Heat sink component specified for directly adding or extracting heat to/
from the process according to component dependent heat sink/flux/loss model.
Fixed
--------------------------------------------------------------------------------
* Problem with input fields format of scaled parameter types (i.e. inadvertent
round of of 2nd decimal when using g instead of kg).
* Problem calculating calculated columns with other (prior) calculated columns
in the expression.
* Problem in .32 release with initializing design fuel flow for OD calculation
with Wf as state.
* Problem reverting central output options fixed: now default component group
is 'All gas path components'.
* Problem reverting graph X axes settings back to initial default.
* Problem reverting graph line style settings back to initial default.
* Problem access violation in Legend and Carpet tab sheets of graph settings
window when refreshing parameter lists.
* Problem reverting environment security settings.
* Problem in 11.0.1.32 with AB Combustor maps.
* Issues with Operating Envelop Scheduler where unitsystem of the referenced
component (Flight/Ambient Conditions) differed from the Unit System setting of
the Operating Envelop Scheduler.
* Enabled some ancestor numeric fields for customer specific afterburner and
customer specific exhaust nozzle.
* Problem Map not scaled error after opening map component during OD simulation
session.
* Problems with showing Fan duct map in cases.
* Problems drawing operating lines in Fan map.
* Bug introduced in 11.0.1.32 causing false calculation of DP fan duct mass
flow.
* Problem Mixer OD calculation with options core/duct entry and static pressure
ratio.
* Problem DP calculation when using AB combustor efficiency maps.
Improvements
--------------------------------------------------------------------------------
* Thread safe string-float conversion. Now GSP uses separate internal locale
settings (including decimal separator) and Windows separator may be a ','.
Also no problems anymore when Windows changes global decimal separator back to
locale settings (Vista, TU Delft Windows installations etc.).
* Parameter/field data nodes now sorted in Config/Case details tree.
* Several input and output parameter field names/display captions made more
clear (Config/Case details tree, output tables).
* Wrapping of library toolbars (these hold the actual components in the library)
has been improved.
* Added extra options to the Flight/Ambient conditions to toggle breaks.
* Unit System selection for Flight/Ambient conditions now can be set in cases.
* Heat sink grid in gas path components improved: reflecting units in 2nd title
row.
* With Enforce Security Marking Environment option on, Cancel button now enabled
and will Abort New model if pressed (and no markings) added. Ok button only
enables after Security markings added or selected from comboboxes.
Adaptations
--------------------------------------------------------------------------------
*
GSP v11.0.1.32 23-07-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* "Revert All" button added to most option/setting dialogs to enable
user to revert ALL setting (in all tab sheets of window) to installation/
new model/project default. Can be canceled using Cancel button.
* Reset all settings commance added to Case/config options menu to reset all
case/config related settings.
* No OD Map checking and map scaling calculations (require map initialization)
anymore during DP case type simulations. This means for DP cases no OD map
specification is required.
Fixed
--------------------------------------------------------------------------------
* Problem with invalid par. error message from Case controllers that are set
to Inactive.
* Series/Transient Tabs become visible problem in scheduler/control components
that do not have series inputs (table, equation, limiter, additional output
control components).
* Problems using property control schedules in schedule control components.
* Several problem Reverting to default action in Environment settings and in
Graph settings.
* Problem with duplicate outputs from Fan scaling factors.
* Problem checking deleted components (CheckComponent procedure).
* Fixed interpolation in Installation Effects component. Now correct values for
CdAft are calculated from the map.
* Fixed error on deleting rows in the 'Output Table and Graph' table (this table
and graph can be opened from the GSP main window using the Table button).
* Problem with different nr or errors and states error message from Limiter
control upon model initialization.
* Problem setting design fuel flow in fuel flow controller when set as free
state.
* Problem with calculation of Cp, Gamma for intercooler component (Cp and Gamma
should be zero for liquid).
Improvements
--------------------------------------------------------------------------------
* Handling of schedule controller property scheduling both OD and DP.
* Aborting scheduled series calculation from singular Matrix error.
* Improved map and map scaling consistency checking and error reporting prior
to both OD initial DP calculations and OD calculations.
* On-line help updated.
* Added caption bar to the table and graph panel of the 'Output Table and Graph'
window to facilitate drag and drop of the panels to support a user defined
layout.
* SM option added to the Output Options/Component interface.
Adaptations
--------------------------------------------------------------------------------
* Thrust and Rotor speed control components Active checkbox now disabled in
cases (since enabling/disabling of corresponding states also is disabled).
* Power control components Active checkbox now disabled in cases
(since activating/deactivating requires reset of equations).
* With a Scheduler control in a Case, only with property as state or determinate
property relation the active checkbox is enabled.
* The schedules parameter groupbox is be disabled in cases since it affects the
equation directly.
* Project tree docking panel caption is now 'Project', Project tree root node
shows project name specified in project options (instead of in 2nd column).
* Background cream color for 2nd case mode column in project tree.
GSP v11.0.1.31 17-07-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Revert to GSP default button added to most option/setting dialogs to enable
user to revert setting to installation/new model/project default. Visible
controls/settings are reset only (only on visible tab sheets). Can be
canceled using Cancel button.
* Top left titles now in steady-state and transient output graphs changed to
Nearest Configuration ID and Case ID with underneath project file name.
* General option "Reinitialize model on case type change" added (Initialization
tab sheet) to enforce a model reinitialization (reset states/errors, require
recalc of design point) after changing case type. Default is ON.
* Copy model panel bitmap to clipboard function (Model menu & popupmenu) for
rapid copying and pasting of model config image to documents.
Fixed
--------------------------------------------------------------------------------
* Problem with disabling (setting to 'invalid') of calculated column expressions
after expression cannot be calculated due to divison by zero or other math
exception. Now only disabling if Parser error (syntax or par. not found).
* Problems with scaling of power control component schedule maps.
* Problems with indication of calculated columns (using yellow background).
* Few problems with copying pasting components and checking whether allowed
by case management rules.
* Convergence problem in recuperator iteration towards user specified design
point effectiveness.
* Problem with handling Deleted components in inherited child cases.
Improvements
--------------------------------------------------------------------------------
* Now also blue font color used to indicated calculated columns.
* Improved handling of Project options saved output table names. Default table
directory is MyDocuments\GSP\Tables. A tablefilename without path is stored
in this directory.
Adaptations
--------------------------------------------------------------------------------
*
GSP v11.0.1.30 03-07-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Nuserspec (User specified OD rotor speed rpm) added as property in
turbomachinery components.
Fixed
--------------------------------------------------------------------------------
* Case control parameter lists and list names updated and improved.
* Problem VEN (variable exhaust nozzle) control component con-di ratio input
option (user spec of free state) invisible.
* Heat sink component select combobox height not matching grid.
* Combustor pressure loss map control GUI problem.
* Problem copy-pasting case nodes outside parent with cfg only components
without ancestor data.
* Bug causing small inconsistency with DP recuperator effectiveness calculation.
* Small bug with visiblity of DP user defined fuel properties.
* Bug not prompting save after copy to parent/revert to parent actions.
* Problem regenerate series prompt upon Ok click after (de)activating a
particular loop.
* Problem not reverting to initial case type when canceling 'Delete unused
transient input' from Flight/Ambient conditions.
* Bug causing failure autoscaling Y axis in numeric grids graphs (1D Table
sched components etc.).
Improvements
--------------------------------------------------------------------------------
* Turbomachinery component model options for speed and power. Third option now
always is "Speed determined by shaft" (equivalent to External control), also
for the turbine. For the turbine, this options replaces the "Power balance
at rotor speed" option. A separate "Add power balance equation" option is
added to allow the user to add a power balance equation for 2nd and 3rd model
options (user or shaft specified speeds), that must of course be accompanied
by an extra state variable such as OD fuel flow.
With the "Free state rotor speed" option the power balance equation is added
always independently of the "Add power balance equation" option.
* Copy to parent option/action (project tree node pop-up menu) improved and now
depending on Environmental Case management options "Allow copy case or config
to parent" and "Allow copy case to parent configuration".
* Warning added that other childs of parent will be affected through inheritance
with Copy to parent action.
Adaptations
--------------------------------------------------------------------------------
*
GSP v11.0.1.29 22-06-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Project name field in Project options for short description of project shown
in project tree next to Project root node and in project tree docking panel
caption. To be used later in other output and documentation.
* Advanced tabsheet added to project options
* "Show advanced model equation controls options in components" advanced project
option added for 'Always create state/error variable' and 'Corresponding state
nr. for deactivation' options/fields.
Fixed
--------------------------------------------------------------------------------
* Reopen table (option from the main window) now loads the requested table and
shows the table in a separate window (similar to the open table option).
* Problem with Exhaust component exit station (usually station 8 and 9) output.
* Problem with Inlet component entry station (usually station 1) output.
* Problem with table formats after changing project options (output table file
names).
Improvements
--------------------------------------------------------------------------------
*
Adaptations
--------------------------------------------------------------------------------
*
GSP v11.0.1.28 06-06-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Combustor component Afterburner Efficiency - FAR map now takes internally
calculated FAR stoichiometric as the reference (afterburner design) point to
scale the map (instead of FARdesign which is the actual FAR at combustor exit
in GSP DP which in turn is MIL DRY FAR when the DP is at MIL DRY.
So now map input is FAR / FARstoich.
* Convergence monitor now with information on the error variables: component
and error variable description.
* Convergence monitor extended with states underneath the error bars.
Fixed
--------------------------------------------------------------------------------
* Problems with scaling maps to models when deviating units (e.g. g/s for map
mass flows are used).
* No Project save prompt after changing case type problem.
* Bug causing endless loop when trying to delete inconsistent case control
in configs.
* Component hint not properly showing with mouse cursor above component nr.
* Problem with false indication of successful DP calculation prior to OD leading
to invalid OD.
Improvements
--------------------------------------------------------------------------------
* Selected model components can now be moved with the cursor keys with a
stepsize of 10 pixels by simultaneously pressing CTRL, SHIFT and the cursor
key (arrow up, down, left or right). Using the cursor keys only, components
are moved 1 pixel per pressed keystroke.
* Central output/System performance setting through the Output options windows
has been restructured. A new tab sheet called "Output parametrs" has been
added. From this tab modelers can (generically) clear output options, or
(un)set output options for Components (former Central component output tab
sheet), system performance, and now also options for Flight/Ambient
conditions.
* Setting the shaft specific output (Nrpm and N%) now effectively sets the
output options for only 1 off all turbomachinary components attached to a
shaft.
* Improved the shaft output parameter setting when using the "central" output
* Improved case control parameter selection lists:
- only relevant parameters in list
- empty list entries removed
- line break characters removed
* Now also for Flight/Ambient conditions the unused series/transient input data
check for deletion implemented.
* Hint warning of moved child components now showing during dragging of
component over model panel. HintHidePause now set to 100s.
* Visual passive indication of overlapping components in model panel: borders
turning red with overlapping component.
* Calculation initializations checks overlap and aborts if overlap detected.
* Dragging components remain on top while overlapping others.
* Improved/corrected state/error info output for heat exchangers/recuperators
and intercooler components.
Adaptations
--------------------------------------------------------------------------------
* Delete Unused TransInputs Before Save environment option removed. Now with
just Delete Unused TransInputs option, unused transient inputs are deleted
as soon as detected (as if old before save opiont always on).
* "Copy case or config to parent" and "Copy case to parent config" environment
case control options added.
GSP v11.0.1.27 23-05-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Warning when Component or Link icons are overlapping in Model panel after
loading of a config or case.
* Component name added to Linkbar hint.
Fixed
--------------------------------------------------------------------------------
* Bug not saving DeleteUnusedTransientInputs and
DeleteUnusedTransInputsBeforeSave environment options.
* Bug with saving component locations on model panel (ScrollBox) with components
scrolled out beyond left or top limit, resulting in negative location data.
* Bug with adding liquid water to total mass flow in inlet component.
Improvements
--------------------------------------------------------------------------------
* Hint warning on components being moved in child configs/cases now showing
directly and when moving mouse over selected components.
* Warning messages when loading unrecognized XML data from older model versions
improved.
* Better checking of shaft initialization (shaft id not specified error now
exits calculation).
* Gamma for 2-phase flow now properly calculated excluding Cp of liquid water.
* Output parameter names now maintained in incomplete configurations (unlinked
components) for selection in equation controllers.
Adaptations
--------------------------------------------------------------------------------
* Default map interpolation method changed from quadratic to linear. This is to
make sure imported GSP 10 and earlier version models (only linear
interpolation) show the same result as before.
GSP v11.0.1.26 22-05-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
*
Fixed
--------------------------------------------------------------------------------
* Central component output functionality now correctly shows the checkbox
markings on changing component selection box (for options
'All gas path components' and 'All turbo components').
* Bug causing AV in Details tree OnGetText code.
* Problems with CD_exit output in Exhaust nozzle and customer specific Exhaust
nozzle components.
Improvements
--------------------------------------------------------------------------------
* Only controls passing 'InputControlVisible' check, left visible in Case/Config
Details tree view. Invisible internal parameters now invisible.
* Some input fields parameter ID strings already updated (reflected in selection
lists, Details tree view, messages etc.).
* Check if input fields depending on other fields that have been changed (Input
type Radio group option fields such as in Combustor and Exhaust nozzle
component) need to be reset in child cases/configs.
* Mixer updated to have the numeric input fields enabled and disabled correctly
based on case type or configuration.
* "External Vane/Blade angle control" option in turbomachinery components
enabled in Configs only.
Adaptations
--------------------------------------------------------------------------------
* Now Detail tree also shows all ReferenceModel data when ReferenceMode data
selected.
* Input control single point OD input fields (in General tab sheet) now disabled
if Case controlled (and case control input active) or if transient input
active and in series/transient mode. OD input control input fields were
already inactive if in DP mode.
GSP v11.0.1.25 15-05-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
*
Fixed
--------------------------------------------------------------------------------
* Bug in Variable Geometry (VG) control component (during object create).
Improvements
--------------------------------------------------------------------------------
* Now also Rotation of Configuration and linked components in Cases inhibited
(as also Moving is then inhibited), and notified by Hint.
* Clicking cancel button when "Delete unused series/transient data" dialog
pops up after changing or selecting case type, now reverts selected case type
back to original (series or transient) case type.
* When adding case control and Environment option set, "Delete unused
series/transient data" dialog pops up to delete unused series/transient data
in the case. In child cases, Deletion will be done through change propagation
mechanism.
* When Selecting Case type after adding new case, and Environment option set,
"Delete unused series/transient data" dialog pops up to delete unused
series/transient data in the case. In child cases, Deletion will be done
through change propagation mechanism.
* Case / configuration consistency check mechanism that executes upon loading
case of config and before saving (notifies on unused series data or illegal
component types).
Adaptations
--------------------------------------------------------------------------------
* Abort button removed from Change propagation into child configs and cases
Confirmation dialog. Reason is that Aborting propation process half-way may
result in leaving user unclear what is propagated and what not. May be added
later again.
* STOVL component library disabled until components tested (later release).
* Rotor speed and thrust control Power control components can now be added to
configurations only.
GSP v11.0.1.24 14-05-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Warning generated when starting to move components that have been moved or
rotated in child configs or cases. This to avoid messing up component
linking in child configurations.
Fixed
--------------------------------------------------------------------------------
* Bug with case control input parameter list parameter naming.
* 'Allow Copy Paste Nodes Outside Parent CheckBox' Environment option not saved
to registry bug.
Improvements
--------------------------------------------------------------------------------
*
Adaptations
--------------------------------------------------------------------------------
* Bleed control and Bleed schedule can now be added to both cases and configs.
Unlinked control components in the Controls library are both case and config;
Linked Controls component are Config only.
*
GSP v11.0.1.23 11-05-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
*
Fixed
--------------------------------------------------------------------------------
* Small bug not cleaning up empty xml nodes after saving case or config.
Improvements
--------------------------------------------------------------------------------
* Improved Detail case/config data tree view, showing changes of case/config
relative to parent. Now with actual ID strings instead of code parameter names
to identify parameter names that are different from the parent case or
configuration.
Also units added and Input grid data now shown up to 120 characters. Detail
tree view not editable: instead use Dbl Click to access data entry window.
* Storage of numeric field data improved: now xml value is stored in format
equal to data entry field format, so it appears the same in the detail tree
view. This means that for the detail tree to reset to show adapted fields
only, cases and configurations need to be (re)saved.
* Fly-over hints added to expression input boxes saying that decimal points/dots
in field/parameter names must be replaced by the $ character to distinguish
from actual decimal points in numeric constants.
* Captions and field identifiers in Flight/Ambient conditions window.
* Now selectable box for mass% in Flight/Ambient conditions window.
Adaptations
--------------------------------------------------------------------------------
* The behaviour of copying and pasting case and config nodes has changed: now
only the changes of a case or config relative to the parent are copied and
pasted, resulting in a new node inheriting all from the new parent except the
changes in the original relative to the original parent.
When components do not exist in the new parent, the component is created and
adapted with the original change data only; the rest is remaining on the
initial component data defaults (as there is nothing to inherit from).
GSP v11.0.1.22 9-05-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
*
Fixed
--------------------------------------------------------------------------------
* Serious Bug mixing up component ID's while reading from XML.
* Problem disabled component name and ID fields in Additional Output par.
component.
Improvements
--------------------------------------------------------------------------------
* Model data adaptations due to version change/update are not confirmed at case
or config level anymore. Only Save prompt when closing project.
* Component name uniqueness when adding/copying new components now also
automatically enforced across inheritance tree; making sure a new component
will not have an initial name idential to a component added in a child case
or config.
Adaptations
--------------------------------------------------------------------------------
*
GSP v11.0.1.21 05-05-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
*
Fixed
--------------------------------------------------------------------------------
* Bug not storing calculation order after changed by mouse right-click pop-up.
* Access violation error when pressing Edit button in Output options, Central
Component Output tabsheet, with All gas path components/turbo components
selected.
* Useless 'Design point input changed !' warning while in Configurations
removed.
* Upgrade changes during loading of older version xml models not being saved
problem.
Improvements
--------------------------------------------------------------------------------
* Some error messaging from Additional Calculation proc.s: now with Component
identification and Abort button to abort if in iteration.
* Intercept exception when reading invalid project docking style names.
* Warnings during upgrading from older model versions improved.
* Input field select lists for Flight/Ambient conditions in Case and other
controls components now consistent with other component input select lists
(depeding on case, env. options, valid, enabled etc.).
Adaptations
--------------------------------------------------------------------------------
*
GSP v11.0.1.20 27-04-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Change propagation warnings of input options and corresponding input values
now coupled: corresponding input value of new input option will always be
propagated down the inheritance tree (Combustor and Exhaust nozzle
components).
Fixed
--------------------------------------------------------------------------------
* Bug failing restore of NumFld values after Cancel click in data entry forms
(NumInpWV unit).
Improvements
--------------------------------------------------------------------------------
* Warning when changing Control input that is also controlled by Operating
envelope scheduler.
* Change propagation warnings of input options and corresponding input values
now coupled: corresponding input value of new input option will always be
propagated down the inheritance tree (Combustor and Exhaust nozzle
components).
Adaptations
--------------------------------------------------------------------------------
* Change propagation into lower inheritance level configs and cases now only
happens after a Yes or Yes to all. With No, NoToAll the recursion from that
inheritance tree branch is terminated.
* No to all answer in the Change propagation confirmation dialog box, now stops
all change propagation, also on the same config/case level.
GSP v11.0.1.19 19-04-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
*
Fixed
--------------------------------------------------------------------------------
* Small bug preventing '<no map loaded>' indication in map control frame.
* Bug leaving Model progress box open after simulation error fixed.
* Problem with saving calculation order: now modified order is properly restored
after model loading according to Calc.Nr.
* Bug not setting Model input changed status after deleting hidden Series/
Transient data.
* Bug causing red font color all over Loop control form.
* Bug calculating fuel compression power in Combustor fixed.
* Bug resetting Series/Transient input grid in Manual Case controller.
* Problem adding STOVL components to a models.
* Access violation when closing GSP while Project form open.
Improvements
--------------------------------------------------------------------------------
* Duplicates check on case control parameters.
* Inlet now has user defined Inlet nr. field for defining calculation
order in case of multiple inlets in a model configuration. Gas path starting
with Inlet with lowest nr. is calculated first. In case 2 Inlets with equal
nrs. exists, Inlet with lowest exit station nr. takes precedence.
* Improved gas path nr. duplicate checking.
* Improved map pre-calculation check (embedded maps).
* Handling of (Environment) optional Delete of Series/Transient data: now
also deleted upon changing Case type and if accessing the tab sheet itself.
This function has a provisional option switch in the environment options.
* Stability of combustor iterations at high entry temperature due to
recuperator.
* Stability of recuperator DP iterations to user specified Effectiveness
improved.
* Case controllers now check whether OD or DP schedulers/equation inputs (when
selected) are deactivated prior to calculation. When inactive these are
indicated by red font color in combobox.
* Warning when changing Flight/Ambient conditions atmospheric model type or
speed type when controlled by Operating envelope scheduler.
* When changing Flight/Ambient conditions atmospheric model type or speed type
that is also case controlled, case control input is reset to none to alarm
user upon model initialization.
Adaptations
--------------------------------------------------------------------------------
* Error message added when non-SOT Fuel controller input at OD calculation while
DP had SOT input (DP SOT means OD input must be SOT in view of SOT equations
to be set up).
* Options>Output>Oper point report>Automatic report pop-up option now unchecked
per default in new case/config.
GSP v11.0.1.18 17-04-2008
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Bug with writing GSP component icon location information on XML causing
unlinked components after reading nodes.
* Problem with right-alignment of valid numerical constant in expression enabled
input fields.
Improvements
--------------------------------------------------------------------------------
* Combustor and fuel control handling of inputs: now inactive design inputs
are only updated to DP by button-click in Combustor Design tab sheet for
consistent inheriting of settings in cases.
* Exhaust nozzle inputs : now inactive design inputs
are only updated to DP by button-click in Combustor Design tab sheet for
consistent inheriting of settings in cases.
Adaptations
--------------------------------------------------------------------------------
* Error message added when non-SOT Fuel controller input at OD calculation while
DP had SOT input (DP SOT means OD input must be SOT in view of SOT equations
to be set up).
GSP v11.0.1.17 16-04-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Unused series/transient data are now deleted (after confirmation) from control
components (if not used due to particular case type of presence of case
controller). The action is optional through a case management environment
checkbox.
Fixed
--------------------------------------------------------------------------------
* Small problem with prompting for (re-)applying the envelopein Operating
Envelope Scheduler.
* Bug causing immediate abort of Steady-state calculation.
* Bug in 11.0.1.16 release inhibiting propagation of data changes into child
configurations and cases.
* Problem with empty Case select box when adding case under config.
Improvements
--------------------------------------------------------------------------------
* Hint added indicating "Auto deactivate non-looping transient/ St St Series
inputs" option in Operating envelope scheduler only comes into affect after
(re-)applying the envelope.
Adaptations
--------------------------------------------------------------------------------
* Configuration and Case data change propagation confirmation now on single
level with (Project optional) confirmation per child config / case and
Yes, YesToAll, No, NoToAll and Abort buttons.
GSP v11.0.1.16 26-03-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Model single component 'Revert to parent' function. Next to the exististing
Revert to parent option for a complete case or configuration, you can now
right-click on a component to Revert to parent the selected component only
(only when a single component is selected).
Fixed
--------------------------------------------------------------------------------
* Problems with initializing combustion iteration in case of premixed fuel
(upstream of combustorm, no fuel flow in combustor itself), causing failure to
converge to combustor exit temperature.
* Problem with adding new Config or Case after Case had been copied.
* Customer specific library components types (Config, Case etc.) set
corresponding to standard GSP parent component.
* Problem with reading Power controller maps from XML (local embedded map).
* Problem with unzooming in single y-parameter graphs with axis Autoscale option
off (by dragging from lower right to upper left, i.e. opposite zooming
direction).
* Problem with deleting temporary output table files.
Improvements
--------------------------------------------------------------------------------
* Rotating duct icon improved.
* Recuperator/heat exchanger components improved: can now specify zero
Effectiveness or Qdes to 'deactivate' recuperator (effect on performance).
* Intercooler component model improved, iteration stability improved,
can now specify effectiveness up to 1.
* Significant improvement of execution speed when changing case or config in
project tree.
* Auto Reset OD input to Design option moved to General options, Initialisation
tab sheet. The option now ONLY is active during DP ir DP series cases.
* Automatic OD intialisation now only in OD or Transient cases.
* Improved handling of separate settings for DP and OD combustor power setting
from Combustor (DP) and Fuel control component (OD).
* Improved handling of Case control components settings when changing Case type
or when inheriting new Case.
* Confirm DP calculation prior to OD (if necessary) moved from Output options
to General option initialisation tab sheet.
* Separate confirmation option added for DP calculations for OD simulation
initialisation in Output options Ouput tables tab sheet.
* Some default initial gas path station numbers adapted to correspond to
SAE ARP 755A standard (without decimal points).
* Better handling of Canceling calculation/sweeps from progress monitor.
* Problem with Canceling/Aborting simulation run from Progress box fixed.
* Better indication of invalid case control inputs.
* Consistent error reporting on invalid active case control inputs.
* Automatic adoption of gas path upstream premixer fuel properties by
zero fuel combustors burning premixed fuel-gas inflow.
* Improved case DP/OD dependend enabling/disabling.
Adaptations
--------------------------------------------------------------------------------
* All 'Component control' components moved to 'Controls' library (Component
control library removed). Heat Exchanger/Recuperator and Dynamic
Heat Exchanger/Recuperator components moved to 'Multi In/Out' library.
* Turbine component Spool inertial moment and Mechanical efficiency input fields
now both editable for Case OD and DP (was OD and Config only).
GSP v11.0.1.15 25-03-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Configuration and Case data change propagation into child configs and cases
now extended with (Project optional) confirmation per child config / case.
Fixed
--------------------------------------------------------------------------------
* Problem with initializing bleed flows for initializing output fields in output
tables.
* Problem with control of Property values when these are states causing failure
to converge.
* Problem with DP Effectiveness iteration in Heat Exchanger / Recuperator
components.
Improvements
--------------------------------------------------------------------------------
* Added separate Shaft (shaft nr. ID) and Component (component ID) rotor speed
output options for turbomachinery component output using the 'Central
Component Output' options tab sheet.
* DP iteration tabsheet in General options renamed to 'Initialization' and
content naming improved (separate init options for DP and OD).
* Expression enabled numeric input fields now formatted according to format
settings while input is still numeric constant (i.e. most input fields).
* Copy-paste nodes improvements: cannot copy into itself (must use Add subnode
instead), only if Environment Case management options set, node can be pasted
outside the parent sub-tree.
* Validation of Numerical input (in expression enabled input fields) improved:
now single numerical constant is validated against Min and Max, as with
non-expression enabled fields.
* Additional Output Par. component Parameter name max. length (was 15) set to 23
(paradox table limit).
* Calculated expression parameter name max. length limited to 23 (paradox limit)
* In Cases, Control, Gas path and any other inter-component Links cannot be
broken (they are of of type Configuration), so any moving of linked components
is inhibited.
* In Cases, Linked components and Configuration components cannot be deleted.
* Expression enabled input fields now default to '0' again after exit when
empty.
* Better handling with failure to prepare model after deleting case controls
(exceptions in Check_and_Prepare_Model safely intercepted).
* Better handling of error messaging on empty expression fields in controllers
when not overridden by case controllers.
Adaptations
--------------------------------------------------------------------------------
* Static text boxes in Ambient/Flight Conditions background color set to same
as Parent control (grey / clBtnFace), for customer specific builds only.
* All 'Component control' components (except Bleed schedule which remains a Case
component) are now Configuration components, since they involve linking to
other components.
GSP v11.0.1.14 09-03-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Ideal (full expansion) con-di nozzle option to calculate ideal (no shocks)
supersonic exhaust nozzle expansion (regardsless of area ratio).
* Heat exchanger / Recuperator components now have extra option (on top of
specifying Q, dT or Texit) to specify DP operating point in terms of
DP effictiveness value (this implies automatic DP iteration towards
user speficied Eff des).
Fixed
--------------------------------------------------------------------------------
* Heat sink tab in propeller component removed.
* Problem with black font color in highlighted combobox (with custom drawitem)
solved (no white text).
* Problem hiding transient tabsheets when turning input control into a free
state.
* GUI problems in Combustor and Fuel mixer water injection tabsheet.
Improvements
--------------------------------------------------------------------------------
* Better correction of pressure using pressure loss specifications for
calculation of combustor reactor chemical equilibrium calculations,
(resulting in better correspondence between DP and OD combustor calculations
when Mach is used to specify combustor exit static conditions).
* Propeller component can now be added to Configuration only.
* Now also FAR in combustor and mixer output is Fuel flow data output option
checked.
* Obsolete 'Confirm disable series input on runmode change' option deleted from
Model General Case management options.
* Obsolete 'Auto deactivate non-looping transient/St St Series inputs' and
'Hide transient series tabsheet of all other control input components' options
deleted (transient inputs of other control components always
inactive/invisible if Case control active.
Adaptations
--------------------------------------------------------------------------------
* Input control components 'Control input value' (User specified or Free state)
and 'Always create state' options now only enabled in Configurations (disabled
in Cases).
GSP v11.0.1.13 19-02-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Check on Mach number not exceeding 1.0 when calculating static properties from
flow cross area, velocity or Mach at engine stations.
Fixed
--------------------------------------------------------------------------------
* Flight/Amb conditions window now hides the transient tab sheet and names it
correctly depending on the model case type.
* Problem populating the combobox with Ambient/Flight conditions parameters
in case control components.
* Problem reading File maps on Init model with DP calculation.
* Problems with XY graph Legend and Carpet parameter comboboxes.
* Problem loading Fan duct map in child cases.
* GUI problems with Ambient/Flight conditions transient input window.
* Problem selecting scheduled parameter of OD scheduler components from case
controllers.
Improvements
--------------------------------------------------------------------------------
* Case component option to insert multiple intermediate calculations (i.e. the
inverse of the timestep) in between data input intervals now has
bi-directional support (changing the series control options is now direct).
* Bleed option (mass flow or fraction of flow specification) can now be changed
in configurations and case models.
* Re-generate series warning in Loop case control improves (Yes, No and Abort
option).
* DP iteration handling of output tables when fields not found (renew table).
* Control component expressions now disabled if case controlled (+ override
indication in group box caption).
* In Series/Transient control options, for design point series, reset model
state variables back to 1 before each step is now optional: default is off and
then the state of the prior series point is maintained for faster convergence.
However, in some cases with DP equation controllers, activating this option
(thus resetting all stated to one before each series point) may improve
convergence.
* '->' added at start of DP and OD scheduler/equation components in case control
comboboxes to indicate indirect control of scheduled parameter.
* Hints added to DP Equation controller saying that Property (Initial, Min and
Max) values always are in SI units.
Adaptations
--------------------------------------------------------------------------------
* Changed relation between Shaft speeds and component speeds. Now first
component defining shaft (usually fan compressor), defines shaft speeds.
* Separate Shaft (shaft nr. ID) and Component (component ID) rotor speed output
options in turbomachinery component output tab sheets.
* Project options now under the Project submenu. Hints added to describe the
Project, Model and Options submenu's.
GSP v11.0.1.12 12-02-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Option to enable/disable curve/carpet legend trailing zeroes removal.
* 'Revert changes' command added to Project tree (pop-up and menu's) to revert
all model changes to state as when last loaded from current case/config.
* Project node operations (saving. reverting etc. added to node pop-up menu.
Fixed
--------------------------------------------------------------------------------
* DP equation control now shows NumFld title (instead of internal name) in
case control components.
* Problems with validity / recursion check in expressions.
* Error when loading older models with ducts (InitializeControlStates call when
still invisible).
* Related to prior one: Several problems when loading cfg/case (related to
OnClick events firing when checkboxes change during loading).
* Problems with Bleed type selection in compressor bleeds table.
* Cooling flow accounting error in turbine with No Map option active.
* Correct TAB orders on a number of component window tabsheets.
* Problem with main menu inactive when in Model notes / Log data memo editors.
* Errors with auto save output table file names in project options.
* Problem with using global performance parameters in Addtnl. Outp. Par.
component expressions.
* Problems with map saving and reverting after pressing Cancel.
Improvements
--------------------------------------------------------------------------------
* Map handling: better error handling with invalid map formats.
* Case management input control enabling/disabling mechanism (case control
input lists updating). Still to be checked/configured for several components).
* Help button added to Map control frame (Help text still to be updated).
* GPA components: initial PDF export file name now equal to test log file name.
* Bleed control and enabling/disabling cells in (compressor) bleeds
table depending on case or config. Bleeds can only be defined in configs,
in cases, only bleed values and bleed control nrs. can be changed.
* Output options table output confirm options for DP and OD Steady now with
'single point' in caption and hint added.
* Map data consistency check option (Project options) checking consistent
(repeating) crosstable column and row input values now actually checks all
row input values also.
* Hint in map control 'Revert' button now ''Revert (cancel) changes' (better
description).
* In Map graph, now the Map description (Title) is taken for the graph left
top title. If empty, then the map file name is taken instead if in File mode.
In the map graph window title bar, there is an indication with Map Title and
'(local embedded)'.
Adaptations
--------------------------------------------------------------------------------
* The default design compressor rotor speed is back at 16540 rpm.
GSP v11.0.1.11 04-02-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Bleed and load loss controllers can now be added to both
Configurations and Cases.
* Customer specific Power and Installation loss controllers can now be added to
both Configurations and Cases (until further notice).
* Map data consistency check option (Project options) checking consistent
crosstable column and row input values.
Fixed
--------------------------------------------------------------------------------
* Problem with change propagation into child configs/cases when changing data
that are fully inherited from ancestors.
* Problem Series tab sheets not visible After Case control component has been
deleted.
* Problem with heat sink heat flux enabled/disabled handling.
* Schedule control active indication X not visible on icon when deactivated.
* Problem with DP icon position scaling and map graph limit clipping.
* Problem with 'No Inlet found' message with empty models and in Options.
* Model edit inhibit when at Options node problem.
Improvements
--------------------------------------------------------------------------------
* Heat sink component now indicated Disabled in model component icon.
* Empty text/string fields no not cause field inherits from parent anymore but
now persist as empty (MapFileNameFld for example).
* Options node to access project options now accessed by single click in tree.
* Map file name field now always readonly.
* Map file name field label now changed to 'Originates from' when local.
* Map handling, error and data overwrite/clearing warnings.
GSP v11.0.1.10 24-01-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Configuration and Case data change propagation into child configs and cases.
This is a Project level option that can be deactivated, Confirmation can be
deactivated and upon confirmation (with input field/grid/element and component
name) answer can be Yes, YesToAll, No, NoToAll and Abort.
Fixed
--------------------------------------------------------------------------------
* Problems with duplicate output name warning.
* Problem with opening project with non-existing saved table file paths (path
now reverts to default user table path when not found).
* Problems with Heat sink grid combobox.
* Problem aborting Design point series calculation.
* Problem with Loop control list autorefresh.
* Problem with Case control component not recognizing all other controls
(e.g. other equation control components) after loading case.
* Problem with Operating envelope Power control selection and list input.
* Problem not showing Initial state property value in DP Equation control.
* Problem disabled Transient/Series tab sheet controls.
* Problem with switching from DP to OD and changing Fuel control input option
requiring recalc of DP.
* Small project options fonts problem.
* Column header unit strings not updating with component/model unit system
problem.
Improvements
--------------------------------------------------------------------------------
* Optional (Output options) save table to file dialog before clearing table.
* Changes in component names (top left field in component window, representing
the component ID's in the project XML doc) now are propagated into child cases
and configurations to ensure data integrity.
* Component names (representing the component ID's in the project XML doc)
can not be adapted anymore it inherits from parents.
* Series tabsheet now shown after Generate series in Loop case control unit.
* Calculcation properly aborted after Heat sink component not found error.
* Add point button in Manual case control moved to Series tab sheet.
* Map handling after clearing map and <no map loaded> indication.
GSP v11.0.1.9 23-01-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Optional output table save option in the Project option. With this option
checked output tables are saved (not deleted as without the option set) and
automaticcaly open at next opening of project. Specific table names / file
locations can be given.
* Expressions can now be added in grid cells (as with Numeric fields) in
component forms. Convenient to use constants or expressions with constants
from a central constant expressions components in grid. In this build only
enabled in Heat sink grid. Other grids will follow soon after more testing.
(At MTT used to scale DP parameters with a centrally defined scale factor
constant).
Fixed
--------------------------------------------------------------------------------
* Problem with NaN values in DP equation controller.
* Problems with DP equation controller.
* Problem with disabled Show all curves in single graph and Carpet menu items
in graph windows.
* Problem refreshing graph after pressing Del or BckSp in field combo.
* Bug storing graph point symbol settings.
Improvements
--------------------------------------------------------------------------------
* Splash screen shaped up.
* Additional Output components output can now be used in equation controllers.
(testen in DP equation controller).
* Vista compliance
- Default new model saving path now in user's 'My documents/GSP/models' folder.
- Default table saving path now in user's 'My documents/GSP/tables' folder.
* Standard breaks in output tables now also work for carpet plots (besides
auto-breaks generated by case controllers).
* Carpet plot functions improved.
* Path of separate output tables opened from main window now remembered during
session.
* Synchronizing mechanism added for output table columns vs. selected output,
to work if opening other cases/configs with existing tables already open.
GSP v11.0.1.8 09-01-2008
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Map input disabled in Calculated Expression grid in Output options
CalcColGrid: more or less obsolete with new version 11 TAddOutpValForm to have
maps here, we need to develop a special ReadMapGridFromXml that determines
MapClass and MapType on a per row basis
Fixed
--------------------------------------------------------------------------------
* Problem with Reset to Ref values after calculation (CopyRef calls back into
CalcFinally methods).
* Problem with inheriting ComboBoxNumFld properties from XML.
* Problem with separate GSP output table / graph window.
* Inter-component visual link's station labels are transparant again.
* Problems with unit conversion in Case control components (e.g. Watts to kW and
if custom formats and units are used).
* Calculated expression problems (related to Maps in CalcColGrid).
* Problem appending table to separately opened result table.
* Problems when setting first graph parameter (Y1) to 'None'.
Improvements
--------------------------------------------------------------------------------
* Case Loop control component now has static text boxes showing the reference
(i.e. original value of) the controlled input field.
* Several windows enlarged.
* Power controller schedule tabsheet reorganized.
* Splash screen shaped up.
* Default/initial output 'table save' and 'append table' path now equal to
model file path.
* Better handling of output table error messages etc. in cases of tables not yet
existing.
* Del and Bksp key now act as shortcut to empty (set to 'None') field select
comboboxes in graph windows.
GSP v11.0.1.7 16-12-2007
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Separate docking panels for Model notes and Log data.
* Model form menu items to access model panel, detail tree, model notes and log
data.
* Option in Case controls to hide other Control component's Transient/Series
tab sheet.
* Support of XP desktop themes.
* Vista Desktop capabilities including Aero ('glass transparency') supported.
Fixed
--------------------------------------------------------------------------------
* Problem with Windows list in mainform (no more docking panels in list).
* Problem with Governor (and derived component classes) schedules graphs.
* Font color problem in several grids (no inverse font color in selected cell).
* Problems using shortcuts (copy, paste etc.) in model window
text editor docking panels.
* Power control component adapted to new map control frame.
* Local map data overwrite warning not working problem.
* Problems with scaling factors (with adapted in/output formats) in case
control components
* Problem with resetting input field values after Case control component
controlled simulation run (when option set in either General options or
Case control component).
* Problem with DP Series progress bar.
* Problems with NumGrid checkboxes behaviour (WVNUMCTRLS unit).
* Problems with enabling / disabling NumFld's owned edit and unit sublabels.
* Problems with Thrust and Rotor speed control components: now enabled for
both Configs and Cases (OD and DP).
* TChart on Quickreport problem on Report preview (GPA components).
Improvements
--------------------------------------------------------------------------------
* Improved handling of z-order of windows (preventing modal dialogs hidden
behind other GSP windows after switching Windows applications).
* Map file name now turns red when not existing directly upon editing
(provisional change).
* Now, an embedded map can be directly loaded from file (not via File option).
* Map handling (including clearing map, editing file map now direct file access,
Canceling operations improved).
- If trying to read wrong map type, error message follows and automatic
reverting to previous map.
- Warning (if General option checked) to overwrite embedded map data.
* Power control component functionality and GUI.
* Case controllers can now control equation controllers in a way that they
'override' the expression result (i.e. equation value to match the controlled
parameter).
* DP equation controller fields for case controller now only 'Expression result'
'Initial' and 'Min'/'Max' removed (also see above).
* Loop case control code when selecting component's and parameters.
* Option in Case control to force Config General 'Preserve original input data'
option.
* Rotor speed and Thrust Control parameters can now be both added in
configurations and cases.
* Introsound per default disabled. Problem with linking registry setting fixed.
* Model Run Shortcut key is now F9 (was Ctrl-R)
* Initialize Model Shortcut is F8 (was Ctrl-I)
* Graph panel now has F5 shortcut for Refresh and F1 for Help.
* Simulation Progress Box width increased.
GSP v11.0.1.6 09-12-2007
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Manual and Loop Case control components now fully functional.
* New map control interface implemented for all maps in standard version
components.
* Optional deactivate of duplicate parameter ID (coming from different
components with adjacent stations).
* New 'Design series' case type added: as for now this can only be used with a
case control component.
* In General options now control is added to activate or deactivate all
deterioration in the components.
* Transient/Series option now extended with options:
"Always reset start time/point to default" and "Show start time dialog" (only
enabled if former option checked, for faster series/transient analysis
(especially for Gas Path Analysis / Adaptive modelling).
* Output option (Output tables tab sheet) added for automatic insertion of
<break> row before series/transient output in table.
Fixed
--------------------------------------------------------------------------------
* Problem with positioning of buttons at bottom end of component data entry
windows.
* Problems with local map storage (storing only after Ok button pressed).
* Problem with resizing non-square component and link bar icons when importing
old models.
* Problem with exception reporting for invalid Nu expression in heat sink model.
Improvements
--------------------------------------------------------------------------------
* Auto-resizing project tree and model box, also when importing older
pre version 11 models.
* Autosizing project tree width so that run button always visible.
* Auto-disabling Run button when no case selected
* Consistent input field access rules implemented. Summarized rules:
a) 'Configuration-only' and 'Case-only' fields: only enabled when either in
configuration (or reference model) or case project level.
b) DP and OD input field access rules implemented: navy blue or otherwise 'DP
tagged' input fields only enabled in either configuration project level or
Design point or design series case type.
c) Transient/Series or single point: with single point case type, control
component Transient/Series tabs are invisible.
Optional extra access (in GSP environment options for case management):
d) For rule a), allow case input in configurations (note that vice versa
(config input in cases) is NEVER allowed).
e) Allow OD input in DP cases (not that vice versa DP input in OD is NEVER
allowed).
f) Allow editing components with no case type selected.
* Provide option to directly delete unknown components (no library availabe)
when loading models.
* When component window hidden behind model window, clicking component icon
now shows component window.
* Before project window closed or case/configuration node changed, now all
component windows are checked to be closed to prevent problems with different
recursive windows message loops and disabled main form (components that
control simulation from outside project window such as GPA AM component,
Case control components). If open, window must be closed by user first.
* Now Const Expression component has checkboxes in Output column.
* Break columns in Case control and Flight/Amb. condition transient/series
input grids now has checkboxes to indicate break active or not.
* "Auto reset off-design input to design values" General option now default
false (unchecked) if Case management is active (Environment options).
* Hints updated and working in Main form.
* Improved error messaging for expression parser.
GSP v11.0.1.5 22-11-2007
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* When non-modal component form open (such as case control or adaptive modeling
GPA control) clicking on the component icon in the model frame, brings the
component data window to front (if hidden after simulation run).
GSP v11.0.1.4 09-10-2007
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with persistent component parameter ID's changing when adding
components.
* Many map handling problems, by new map control interface.
* tbd....
Improvements
--------------------------------------------------------------------------------
* Case control completely revised. Case controlled mode removed: now new case
control components will adapt to selected case type in project tree.
* Parameter ID's now automatically persistent: default comp. ID strings now
automatically unique and added to component outp.pars (e.g. PR, Eta -> PRc,
Etac for compressor).
* Automatic adjustment of case mode column in tree.
* New uniform map control interface group box for all maps.
GSP v11.0.1.1 (Wilfried Visser) 09-10-2007
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Auto-saving and restoring docking layout and restoring default layout now
works much better (better default layout), also when opening GSP models from
Windows exporer.
GSP v11.0.1.0 (Wilfried Visser) 29-09-2007
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Bug inhibiting persistent changing of graph settings per case/config.
* Bug causing AV when renewing tables with graph panel open.
* Bug preventing correct reset of graph settings after renewing tables.
* No (irritant) focusing of GSP main window anymore during series calculations.
* Several small problems with initializing model during DP and OD sweeps fixed.
* Minor graph show/pop-up/refreshing problems solved.
* Bug skipping 1st DP/OD series output after redefining tables (after "Could not
output all data message...").
* Bug causing failure to load case/config during tree node focus change.
* Problem invisible break indicator column in Ambient conditions input series
table when loading older models fixed
* Several small problems in combustor component.
* Bug in calculation of effect of heat transfer in compressor and turbine on
power fixed.
* Small bug causing double component ID nrs. added to heat flux parameters Q.
* Small bug related to updating changed inlet station number.
* Some problems occuring when docking/undocking graphs and tables.
* Bug initializing model when Reference Model case selected fixed.
Improvements
--------------------------------------------------------------------------------
* More descriptive flyover hint for model components, now including the User
defined Name and ID string; can be extended with anything in the future.
* Stall margin SM now calculated in main calc loop to enable scheduling of stall
margin using a limiter component.
* .xml extension added as alternative extension for GSP model files.
* Carpet plot functionality improved. Now 'group breaks' can be added in output
table to separate different carpets of groups of curves. With every new group,
graph settings, line colors etc. start from first again.
* Case management rules adapted to allow off-design type input and components
to be entered/added to model configuration in order to best benefit from
inheritance in case management tree.
* Getcomponent list routine improved to always return Component lists in combo
box list boxes. Can now be used to have component selection lists available
in all cases (not just after model initialization).
* New autosave project option to automatically save case or configuration upon
case managment tree node focus change.
* Surge Margin SM parameter SM now always calculated during iteration (and not
only at final output) to enable direct control of SM using limiters and
schedulers.
New features
--------------------------------------------------------------------------------
* New components:
- Rotating duct component for calculating change in pressure/temperature due
to change in radius in rotating duct.
* New components:
- Constant expressions component
For defining constants and constant expressions. The constants can be used
in epressions in other control components.
- Fuel premixer component
Derivative of combustor with all functionality to specify fuel flow copied,
except for the combustion calculation. To be used in premix systems, gas
turbines where fuel is premixed upstream of the compressor or other
components preceding the actual combustor.
GSP v11.0.0.9 29-6-2007
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Variable geometry schedule turbocomponents was suggested to be scheduled by
%Nc while in fact the geometry was scheduled on %N.
* Schedule components and derivatives were not able to parse expressions having
parameters with a dot (.) in the station numbering. Note that these dots are
replaced by $ signs when selecting the parameters from the dropdown list.
* Issues of wrong input data after moving nodes up and down the tree are fixed.
Improvements
--------------------------------------------------------------------------------
* Improved the security string setting for output tables, exported output data,
and all captions of the output windows (graphs, tables and report editor).
* A warning message is displayed when copied tree nodes are copied into a node
other than its parent node or itself.
New features
--------------------------------------------------------------------------------
* Models created in GSP versions older than 11 will be automatically converted.
E.g. output options are now stored differently. "OUT" output options will be
stored while "IN" output properties will be loaded from components that are
connected to the previous model component. This is to prevent duplicate output
settings. The modeller has to manually verify the station numbers for
duplications.
* All gas path components now have a heat sink tab sheet for specifying a heat
sink component and heat transfer characteristics for combined convection and
conduction through a parametric boundary layer and wall to a uniform heat
transfer heat sink component. A Nusselt relation with Re and Pr numbers can be
specified in a user specified expression.
In 'Gas path special' lib now the new heat sink component is added to which
components can be linked to exchange heat. The heat sink also has a dynamic
capability (mass and cp) for extra heat soakage effect. Further, heat transfer
functions to ambient can be specified several ways.
Note that the old 'Heat sink' tab for gas path transient heat soakage effect
(transient only) now is called 'Heat soak'.
* Now constant names defined in Constant expression components can be used in
all numerical edit fields. This is particularly convenient if the same
constant variation must be applied to multiple data entry fields (e.g. scale
factors etc.)
GSP v11.0.0.8 24 May, 2007
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Iteration problems (AFQUIR messages) in mixer for options specifying core or
duct area/mach/velocity are fixed.
Improvements
--------------------------------------------------------------------------------
* Now drop down lists with components always available (not only after model has
been initialized).
* All table files, temporary files and PDOXUSRS.NET files now in user profile
(Documents and settings folder) to allow running from limited access user
accounts (Windows Vista).
* Input parameters can now be specified by a logical description (i.e. the
description or name of the numeric input field) in the case control
components.
* Changes to the "Add. Output Parameter" component have been made to allow use
of one "Add. Output Parameter" in another "Add. Output Parameter" component.
Now format and unt string are formatted using the user defined values.
* Unit columns have been added to the serie of case components to identify the
unit format.
* The scale of the referenced parameter is now being used in the case control
components. When referencing e.g. PTO (Power Off-Take) of a turbine using a
case control component the value in SI will be in [kW] (default).
* Input parameter values are maintainced after model calculation crash, DP
iteration or case run. Optional the last values can be left in the parameter
input fields using options on the "DP iteration" and "Case Management" tab
sheets of the models' "General Options".
* The default project file extension has changed from ".xml" to ".mxl" to avoid
confusion with existing editors and files on users computers. THe ".xml" file
extension is still supported.
New features
--------------------------------------------------------------------------------
* User specified parameter formats. In output options one can now specify custom
parameter display formats, units and associated scaling factors. For example
g/s kan be used for mass flow instead of kg/s, requiring a scale factor of
0.001 and unit string of [g/s]. See 'Formats' tab sheet in Output options.
GSP v11.0.0.7 22 February, 2007
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with sizing link bar after rotation resolved.
* Problem with generating output to tables from different cases/configs with
different columns (index out of range exception).
* Cancelling the loading of models now continues as expected without an error
message.
* Expression box of the DP equation controller now correctly enabled/disabled.
* Displaying the result tables in a separate window (from main GSP window select
Table to open an isolated table window) now display the table and the graph
sheet. Options are added to show/hide and customize the windows.
* Rotating LinkBar problems.
Fixes for Registered Casemanagement Licencees:
* Fixed deleting of components that have a parent and are not of type case input
control components.
* Fixed active selection in the project tree when cancelling on saving node
dialog when jumping (by selecting) to other node.
* Unexpected message asking to save node while no input has been changed (e.g.
changing focus form one node to another).
* Not saving a newly created Case now reverts the chosen running mode (when
changed) back to the default i.e. 'Select mode...'.
Improvements
--------------------------------------------------------------------------------
* Model panel, detail tree and output tab panels now have minimum width and
height.
* Exception handlers are added to catch errors resulting form non existing xml
configuration files.
* Multiple monitor support. This enables running of GSP on multiple monitors.
Windows and dialogs will be openend on the correct monitor.
Fixes for Registered Casemanagement Licencees:
* All controller typed transient data input sheets are now correctly named
(either 'Steady State Series' or 'Transient') and displayed when then should
be displayed depending on the modelling mode.
* Changing calculation runmode will trigger a dialog whether to deactivate
steady-state series/transient data or not.
* MoveUp and MoveDown of nodes (configurations or cases) improved.
New features
--------------------------------------------------------------------------------
* New functions in case management tree
- 'Revert to parent'; i.e. re-inherit all parent model data). This is
convenient if after some editing in a case for example one wants to revert
all changes, i.e. reset all model data parent case/config.
- 'Copy to parent'; i.e. copy all case/config model data to the parent case or
config. This is convenient if after some editing one realizes the changes
should have been entered in the model data of the parent or an ancestor
case or configuration.
- 'Refresh detail tree' command (button in upper right of detail tree) to
reset the detail data to the last entered model data and delete any data
still equal to parent.
* Added a progress indicator when running design series calculations using
design series case components (registered casemanagement users only).
GSP v11.0.0.6 8 September, 2006
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Flight/ambient conditions tab sheets configured accordingly the modelling
mode of the model (registered casemanagement users only).
* 'Design series tab' (actually the 'Transient' tab) now visible again in design
series modelling mode (case controlled model run mode)(registered
casemanagement users only).
* Evaluation of global parameter 'OPR, Overall Pressure Ratio' has changed to
enable the use of OPR in (both design as off-design) equation controllers.
* Limiter can now be used in off-design analysis when used in case controlled
model cases (registered casemanagement users only).
Improvements
--------------------------------------------------------------------------------
* The Advanced OD Series Case control component (registered casemanagement
users only) is now more robust. On cancelling the component edit property
window columns are reverted to the values on opening. Specifying level
parameters sequentially is not necessarry any more.
* Output setting by use of the 'Central Component Output' functionality of the
Output options window (tab sheet 'Central Component Output') has been
improved.
* The input parameter (input1) of schedule control components can now be
accessed by the case input control components (registered casemanagement
users).
* Schedule control component now have a switch to disable the ability to be
controlled by case components. This will effectively enable the advanced use
of the schedule controllers (i.e. the ability to define an equation that is
parsed to a value, rather than the specification of the value itself by use of
the case input controller components) (registered casemanagement users).
This also applies to DP Equation component.
* 'Transient' tabsheets are now not labelled with 'Transient' if the modelrun
mode is 'Steady State Series'.
* Operating envelope scheduler component has been updated.
* Case components currently display only available parameters that can be
controlled from the case component. To 'unlock' more parameters the
appropriate component has to be openend and options changed.
* Improved map handling routines.
New features
--------------------------------------------------------------------------------
* Deleting of case components is allowed even if there are parent instances of
these components, which e.g. cannot be done for gas path components. Case
components are merely a sort of preprocessors in setting input data that do
not change the model itself, therefor these components are allowed to be
deleted.
* A 'Switch' components has been added to the 'Auxillary' components library. A
switch can be a usefull component in series calculations in cooperation with
appropriate case (input processor) components to set a certain parameter to
any (default) value. Be sure that the component number is greater than the
case component component number (calculation order).
* Press the 'Right windows key' to open the GSP component menu for a selected
GSP component.
* DP equation component will disabled when non-design case run modes are
inherited from the design case (registered casemanagement users).
GSP v11.0.0.5 21 July, 2006
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* "Unpredictable" output by the 'Central Component Output' functionality of the
Output options window (tab sheet 'Central Component Output') has been fixed.
* After exporting an embedded map or an externally linked map file the name of
the temporary map name (opened in the default text editor) was stored as the
actual map name. The original map name will now be kept stored (registered
casemanagement users only).
* Model (Mdl) opened with disabled case management features (in environment
options) will now hide the project tree, config/case notes and details tree
(registered casemanagement users only).
* Project options now disabled with disabled case management features
(registered casemanagement users only).
* Due to the complex inheritance structure of the case components some case
component options were invisible while they should be visible and some options
were visible while these options should be invisible.
* Pressing delete button for the output tables did not work, instead any
selected GSP component icons were deleted. See improvements below.
* Series of level 3 data parameters were accedentally filled with level 1 data
in the Advanced OD Series Case control component (registered casemanagement
users only).
* VG angle outputname 'VG Angle' of the variable geometry control component
(registered users only) has changed to 'VG_Angle' to allow parameter to be
chosen in expression field translators (translate an expression with output
parameters into a numeric value).
* Design point iteration (equation) component now has published parameters
TABLEOUT and MAPOUT to use the table and map functionality in the expression
field to build up a scheduled input parameter. (registered users only).
* Problems with station numbering duplicates and PR duplicates now fixed for
heat exchanger components.
* Model run mode and edited configuration node name now revert to the mode/name
before editing when the changes are not accepted on node change (scratch
working, registered casemanagement users only).
Improvements
--------------------------------------------------------------------------------
* Use delete button on St.St. and Transient output table to delete selected row
or row(s) if the table is active.
* If an amount of points has been specified for a certain level in the Advanced
Series case component (registered casemanagement users only) but no
corresponding level parameters have been specified, on clicking the
'Create Levels' button the amount will be set to zero (unused).
* A 'Case controlled' model run mode has been added to allow 'Case components'
(which are merely a sort of preprocessors) to set the appropriate model
running mode automatically (registered casemanagement users only).
New features
--------------------------------------------------------------------------------
* Disabled parameters referenced by the case component are now displayed in red
to quickly identify invalid input (registered casemanagement users only).
* Duplicate parameters referenced by the case component are now displayed in red
to quickly identify invalid input (registered casemanagement users only).
* Schedule components and Design Point Equation component are changed to be used
by the case components. An option (Disable case control operation) has been
added to disable the control by the case component (registered casemanagement
users only).
* Environment option to enforce model security markings for each newly created
model (registered casemanagement users only).
GSP v11.0.0.4 09 May, 2006
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Max static torque entries that have become invisible somehow (probably caused
by object ancestor class changes) of the clutch component of the STOVL
component library.
Improvements
--------------------------------------------------------------------------------
* Inproved internal gas property output option storage to prevent duplicate
output ID's. Duplicate output options (e.g. "in" gas properties) will be
prevented since no "in" gas properties will be stored. Now checking the "in"
output properties will set the respective "out" options in the linked entry
components.
New features
--------------------------------------------------------------------------------
* Station numbers are checked for duplicates (in Init and Calc).
* Optional en/disabling of off-design data input by option "Enable off-design
data input fields through entire configuration" in Environment options' Case
Management tabsheet.
* Environment options' Case Management tabsheet option "Edit case model
(components) without selected runmode" enables or disabled the opening of the
componentmodel property window.
GSP v11.0.0.3 2006
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Stationnumber dialog on changed model configuration will not be called when
switching between different configurations or cases. The stations are read
and set from the stored configurations/cases.
* The modified status indicated on just loaded configurations/cases that the
model changed, while it did not.
Improvements
--------------------------------------------------------------------------------
* Enhanced map import and export/edit functionality.
* Enhanced central component output, for all components or for a selected
component (from dropdownlist). Output options now grayed for option "all gas
path components" if options are (not) checked for all components.
New features
--------------------------------------------------------------------------------
* Extra buttons to import maps into the
GSP v11.0.0.2 21 March, 2006
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Input query for selecting case type upond adding new case
* Confirmation screens when saving models encrypted (e.g. warning when automatic
saving encrypted is active)
* Enhanced case control components (ODpoint, ODseries, and ODloop contol).
* Components are bound to certain projects model level. E.g. case components can
be added to cases only.
* Added an alternative docking area left of the project management tree
New features
--------------------------------------------------------------------------------
* Custom saving and loading of the models docking layout.
* Copy item added to component right click menu.
GSP v11.0.0.1 22 February, 2006
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Bug failing to activate Station number dialog (GSPlink icon inactive after
model load).
* Problem Project window focus lost after end of St.St./Transient series calc
* Bug with error message "Could not convert Null value to valid floating
point..." when requesting graph for table with columns containing Null values.
* Bug Oper. Env. Scheduler hangs when generating envelope with 'min=0 Zp' set to
lower value than first Zp step solved.
* Bug Oper. Env. Scheduler show map from Schedule table problem solved.
* Problem with transient input table graph representation fixed.
* Ctrl-a now only works inside model configuration panel as it should
Improvements
--------------------------------------------------------------------------------
* Station nr. Link type name now less cryptic ('Out1' instead of 'ltOut1')
New features
--------------------------------------------------------------------------------
GSP v11.0.0.0 2 February, 2006
Improvements
--------------------------------------------------------------------------------
* Many GUI improvements, see new features section
New features
--------------------------------------------------------------------------------
* Docking GUI for both the Main form and component libraries as the model forms.
* Auto save of docking layout
* Easily revert to std docking layout (View menu)
* Docking options window for docking styles, containers etc. (View menu)
GSP v10.0.3.0 4 November, 2005
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Many small fixes for upcoming release including configuration/case management.
Improvements
--------------------------------------------------------------------------------
* Many small improvements for upcoming release including configuration/case
management.
New features
--------------------------------------------------------------------------------
* Many new features for upcoming release including configuration/case
management.
GSP v10.0.2.9 19 October, 2005
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Bug when saving models that are larger than the canvas holding the component
icons (when saving the model while displaying the lower right corner the upper
left icons where not accessible anymore because the scrollbars are not visible
after loading the model).
* Bug in Limiter component (Suppl.Comp.Library) that prevented automatic
normalisation of limit error (on first calculation pass after DP calc).
This fix sigificantly enhances iteration stability and speed with the limiter.
* The operating point report now correctly indicates when at the DP with
'Design Point' instead of 'Steady-State'.
* Bug status bar info not updated in operating point report fixed.
* Problems with saving/loading alternate unit settings (Imperial) fixed.
Improvements
--------------------------------------------------------------------------------
* Disabled control components (unchecking the 'active' checkbox for controller
components) now display a red cross on the component icon in the model window.
* Improved Model data report structure.
* Improved layout of Operation Point report.
* Improved the positioning of the results window (Steady State/Transient table)
(resizing height when results window is larger than gap between model window
and screen edge). Use Ctrl-W to position results window under model window. If
the gap between taskbar and model window bottom is smaller then a certain
minimum (to show the buttons, menus, etc.), the window will not be moved.
* Added option to enable/disable save dialog of the GSP Global Report Editor
in the models general options window (Option->General->Tab Confirmation->GSP
Report Editor checkbox)
* Power off take (PTO) can be added to output data tables.
* The map scaling factor of the turbine caused problems with the scaling and
drawing of maps in case of high PR's and extreme scaling factors for PR/Beta.
The scaling method of the compressor map has been adopted
(PRdes-1)/(PRmapdes-1). Problems have been encountered once during several
years of modelling. Scaling turbine maps obviously has been proper in all
cases (where the scaled maps did not look odd somehow), which has been the
case for all applications.
* Equation, Table, Map and Generic Equation Schedule control components (Suppl.
Library, registered version only) now functional for DP also. For DP,
- scheduled parameter must be component property (select separate design input
property corresponding to OD scheduled property),
- since for DP, a separate state to match the extra error cannot be specified
either the property must be state ('Property is State' option) or the
'Determinate relation' option must be selected. This in effect gives the
schedule control the same functionality as the DP equation control during
DP calculation.
* Schedule controller table inputs do not have to have an ascending first column
anymore. GSP auto-determines whether the column is descending or ascending
* Improved stability in compressor and turbine calculation (protecting against
invalid PR values during iteration).
* Limiter control component now has Limit and Pset input value outputs.
* DP equation control component now has Scheduled and State value outputs.
* Output table shortcut key for table copy to clipboard not Ctrl-Alt-C to keep
Ctrl-C for copying singel cells when in editor mode.
* Shaft speeds now added to global performance data output in operating point
report.
* Improved alignment of units in operating point report.
New features
--------------------------------------------------------------------------------
* Table extrapolation user selectable (fixed or linear extrapolation)
(Initial release in Limiter and equation control components in the
Supplementary Components Library, will be implemented in other components
later)
* Results table window option added to quickly place the window on top of the
model window. Use Ctrl-T on an active results window (either steady-state or
transient results window) or Options->Table on top of model window to move the
window on top of the model window. Note that the height of the results window
will be adjusted to the space available between screen edge and model window
top. If this gap is smaller then a certain minimum (to show the buttons,
menus, etc.), the window will not be moved.
GSP v10.0.2.8 20 September, 2005
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Bug with initializing combustors and derived components due to LocalMap button
OnChange event handler calling InitializeControlStates during Form create.
Improvements
--------------------------------------------------------------------------------
* Model Data report internal procedure system changed to more add item in new
classes/components inheriting from older components.
* Added more design values to exhaust nozzle Model Data Report.
* Improved iteration stability with Exhaust nozzle pressure ratios around 1. Now
negative flow values are calculated (reverse flow) in case PRnozzle<1 during
iteration in order to maintain a continous relation between PRnozzle and W.
This prevents singular jacobian matrices.
* Improved Limiter component in Supp. component library (not in LE edition) :
Can now properly operate on User input (next to equations) controls, also if
user input is also swept for St.St. series input. Input is properly reset to
series or user specified input, after limiter has adapted input (e.g. power
setting) value to satisfy limit. This means limiter iteration is re-performed
for every OP.
* Improved Load Ctrl component. Now multiple load components can be used with
proper calculation of total engine shaft power output.
GSP v10.0.2.7 12 August, 2005
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Upon deactivating Equation or Designpoint iteration control components (or any
other derivative of a control component), checks for (non entered) data
entries in certain user required fields of inactive components (active
checkbox on design sheet unchecked) are not performed. Drag and drop a Control
component on the model window and deactivate the active switch. A design calc
will not trigger messages that certain fields have not been filled out.
* Bleed flow fraction exceeding 1.0 is fixed for Design point iteration
calculation mode.
* Bug fixed related to erroneous resetting of DP inputs after transient run.
Improvements
--------------------------------------------------------------------------------
* Increased the time to show hints to 10 seconds (some hint text are so large
that 5 seconds was too short to read the text in one time interval).
* Dynamic pressure q as output parameter of the flight conditions now displays
incompressible (aerodynamic) q (0.5*Rho*V) instead of Pt - Ps (which includes
compressibility aspects).
* More free state DP properties added in DP equation control component.
* Now reset of DP input to DP iteration result is optional, depending on model
General Options (DP iteration tab sheet).
* Preparation of model for OD iteration (setting up states/errors for OD) always
was automatic after any DP calc. It now is optional after DP iteration
depending on the General Options|DP iteration tab sheet|"Automatically
initialize for OD calculation" option (and still automatic after a single
DP calculation).
* SOT iteration improved. Automatic calculation of initial Wf estimate if Wfdes
not specified (=0), otherwise Wfdes is used as initial / normalisation value.
* Error reporting of 'O2 concentration too low' improved (indication of
component).
* Added functionality to save model in text format (xml based) which is a prime
requisite for saving projects containing case management.
GSP v10.0.2.6 6 July, 2005
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Specifying exhaust nozzle losses in GSP using CV (coefficient of velocity) to
account for friction and/or flow non-uniformity did not result in a total
pressure drop at the nozzle exit plane.
* DP Equation Controller: now with initial value entry for state variable
(only active if non-blank) and Min, Max (only active if not both 0) to set
range for state. State is automatically kept in range also during iteration.
This means that if a DP can only exist outside the range, convergence will
not be obtaind and an iteration error will be reported.
GSP v10.0.2.5
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Option in Fan, Splitter and descending component models to specify which
downstream gas path (duct or core, 1 or 2) is calculated first. This is for
cases where bleeds must be calculated in one downstream gas path that is used
in the other. For example: is fan duct bleed is inserted in core flow (e.g.
behind LPT), the duct flow must first be calculated DownStream Calculation =
Duct first.
In the case of both flows from duct to core and vice versa, the problem
can not be made 'determinate' anymore and splitter and mixer components must
be used (instead of bleeds/sec. airflows) to model the secondary flows, like
in the ABFAN_SECAIR model.
* Changed Font color of ActiveCheckFLd from clNavy to clWindowsText again:
in TEqCtrlForm. This means that for ALL inherited control components now
NO recalc of Design after change is required ! (Keep eye on this for a while).
* Small problem with resetting map file path after changing file path in edit
box in Schedule and equation controllers fixed.
GSP v10.0.2.4
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Disabling of placing results table under model window when there is no model
(viewing table only, accessed through the GSP main window via
Tables -> Open Table... or Reopen).
* Problem with interference bleeds/cooling flows and volume dynamics. Now change
in enthalpy (energy) in volume dynamics calculation calculated with RH
(reaction enthalpy) instead of FH (enthalpy function) which depends on
composition corresponding to NASA CEA.
RH is enthaply of mixture corrected to value with Trefchem (298.15K) as 0
point and.
GSP v10.0.2.3 Beta 23 April 2005
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Customer specific bugfix involving wrong discharge coefficient when exhaust
area is limited by the maximum specified (using CDthroat instead of CDexit).
GSP v10.0.2.2 Beta
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* BUG with missing properties in combobox in Schedule control components fixed.
* DP Equation component Scheduled Parameter Property list now correctly filled
with properties (not DP properties: these must go in the Free State property
combobox only.
GSP v10.0.2.1 Beta
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Minor improvements in relation to SOT DP iteration functionality
implementation.
Fixed
--------------------------------------------------------------------------------
* 'Cannot normalize Wf state for SOT...' error message problem with combustor
used as afterburner fixed.
GSP v10.0.2.0 RELEASE VERSION
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Customer specific improvements
GSP v10.0.1.9 Beta
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* SOT can now be specified for DP calculations also. This is possible by
automatic use of the new DP iteration functionality. A DP equation is
automatically added when SOT is specified
Improvements
--------------------------------------------------------------------------------
* Std. Component library now show AFTER main form upon start-up as they should.
* 3rd statusbar panel in model window enlarged and text better aligned.
* DP equation component (Suppl. library only) stability (iteration),
error interception/reporting and GUI improved.
Fixed
--------------------------------------------------------------------------------
* Number of bugs in DP equation component (Suppl. library only).
GSP v10.0.1.8 Beta
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Provisional DP equation component (Suppl. library only)
Improvements
--------------------------------------------------------------------------------
* More consistent captions for Application title and version.
* GSP.INI file now stored in user profile (..\Application data\NLR\GSP\GSP.INI
for more compatibility with low access rights issues.
* Bug fixed: standard libs invisible per default with empty/no GSP.INI file.
* bug fixed: error States and Errors report after Init model.
Fixed
--------------------------------------------------------------------------------
GSP v10.0.1.7 Beta
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Bleed out-flow functionality added to duct component
* Bleed out-flow functionality added to fan core component
* Added new global variables A0 (total free stream capture area) and A1 (total
inlet entry area = highlight area)
Improvements
--------------------------------------------------------------------------------
* Report editor's output parameters not included in the output table now
displayed as "*****" to indicate parameter not being added to the output data
set. Empty (only spaces) led to misunderstandings.
Fixed
--------------------------------------------------------------------------------
* Accidental zero bleed flow during off-design does not result in error
(division by zero).
* Pressure vessel's Model Option "0" division by zero during off-design
calculation.
* Calculation of static properties in Pressure vessel during off-design.
* Static exit velocity calculation fixed for mach (used velocity by accident).
* Upon enabeling Input1 output parameter,the output value is stored in the
output table (control components).
GSP v10.0.1.6 Beta
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* The suplementary library has been extended with an installation effects
component. Global output parameters FNinst, FGinst and TSFCinst are added
to assess installation effect on global performance (registered users only).
* Added a general option (small button) to deactivate all the steady-state
series or transient input data of all the components in the model window, and
of the flight/ambient conditions.
Improvements
--------------------------------------------------------------------------------
* Some (dedicated custom) components only allow a single instance on the model
window. Users cannot drop more than one of such component icons onto the model
window now.
* Pressure rise in the combustor by entering negative values in the pressure
loss numeric field is now enabled (on request of several users).
* Quickly open tables from main menu using Shift+Ctrl+number. Number 0 (zero)
will quickly open the last saved output table.
Fixed
--------------------------------------------------------------------------------
* FARexit output variable in combustor lagged calculation behind.
GSP v10.0.1.5
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with Propeller model fixed (controlled beta with fixed power turbine
speed).
GSP v10.0.1.4
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with deactivated Power controller fixed.
* Transient tabsheet visible again in Power control components.
* Expression box made invisible in Map, Table1D generic control components.
* "No inlet component" error message suppressed when only editing/copying
component.
GSP v10.0.1.3
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with scaling factor in Power control schedule fixed.
New features
--------------------------------------------------------------------------------
* Power control scaling factor now user adaptable off-design.
* Map, Table, Equation and Generic Schedule controllers now have a
"Determinate relation" option to control component properties directly without
additional equations and a state for the property. This improves stability.
Also see next item.
* In GSP model window, unlinked components (typically schedulers, maps etc.)
can be moved to the start or end of their calculation order. This is
convenient with Determinate relation schedule controllers: to have the
controlled propery's component later in the calculation sequence (higher
component number).
* Improved checking of correct input in Schedule controllers.
* Now both ascending and descending Power codes possible in Power controller and
derived components (was descending only).
GSP v10.0.1.2
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* The external link to the fuel control component in the generic power control
component was not saved on saving model (registered users only).
* Added FARexit output parameter in the combustor component.
* For a duct component when output of the dprel was requested the data for 2
flows was obtained, fixed this to 1 flow.
* Could not display combustor map on show button click fixed.
* Several minor improvements in GUI elements (captions, positions etc.).
* Incorrect captions of general tabsheet input numeric control of generic
control and power turbine control component.
* W.P.J. Visser of Delta Consult extended the numeric grid components of the
WVCOMPS (additional components library containing e.g. grids, numeric
controls, etc.) to set runtime added columns in grid in previously saved
models to type STRING after the model has been opened again. More specific:
Added columns (schedules) in the power controller component are now able to
display stored map names when opening a saved model (registered users only).
New features
--------------------------------------------------------------------------------
* Added output option Ptin_core/Ptin_duct on user request in mixer component.
GSP v10.0.1.1
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* The "power delivered to shaft" input field next to the radio group box of the
turbine's design tab sheet defines the amount of transfered power in design
calculation. The value depends on the option. Values below 1 truncated to 0
because an incorrect numeric type was chosen when loading saved model values
from file when loading a model.
GSP v10.0.1.0
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Several minor improvements in GUI elements (captions, positions etc.)
GSP v10.0.0.9 BETA
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Shortcuts:
- When the model form (containg the GSP engine model) is active:
+ press CTRL+S to save the file
+ CTRL+P will print the layout of the engine.
- When the GSP main form is active:
+ press CTRL+(a number) to quickly load the model from the
recent file list, i.e. CTRL+0 (control+zero) will quickly open the last
opened model.
- When the St.St. or transient table is active:
+ use CTRL-W to place the top of the table directly under bottom of the
model (if not bottom is below screen height, the table will be placed at
the top of the screen);
+ use CTRL-S to stretch the width of the output table to fit the width of
the screen.
These features can also be selcted from the "Options" menu on the output
table window. Both shortcuts toggle the state of the options in the
"Options" menu that is visualised by a checkmark in from=nt of the option.
* Extensions to DPsweeper component (Suppl. comp. lib only)
Now also compressor bleed flow properties as specified in the Bleed table
(Bleeds tabsheet), turbine PTO loads, combustion efficiency, mixer, duct
and nozzle coefficients are added as DP sweeping parameters. Depending
on user requirements there may be more added in the future.
Fixed
--------------------------------------------------------------------------------
* Stations 'Throat' and 'Exit' of the Exhaust component now added to be
displayed in the "operating point report".
* Problem in "operating point report" (on model form from Menu Results choose
"operating point report") of displaying PT twice instead of PT and PS.
* Problem upon copying and pasting components from the model form to (other)
model form(s); the component label (the number uniquely identifying the
component on the form) seemed to copy the value of the old component and then
draw the new number over the old one.
* Many problems with the Nozzle and Nozzle controller components GUI fixed.
Improvements
--------------------------------------------------------------------------------
* OPR global parameter defined as Combustor entry PT / First upstream Inlet exit
PT.
* Schedule equation control components improves on many details.
GSP v10.0.0.8
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Component models now have properties, which can be accessed using the
property control or the schedule map, equation and table control components.
This option provides a direct interface to many internal component paramters
and requires knowledge of the internals of GSP.
* Maps (2-D look-up) and tables (1-D look up) can be used in the expressions for
calculated columns.
* All maps, tables and schedules used in components and calculated columns now
have the option of quadratic interpolation as alternative to linear.
Fixed
--------------------------------------------------------------------------------
* Problem with operating envelope scheduler generating double point 1 rows in
Flight/Oper. conditions transient input tabel.
* Interpolation option radio group in some components has been removed from the
Design tab sheet.
Improvements
--------------------------------------------------------------------------------
* ABcontrol component improved with options for manual control and control of
Texit, FAR and Wf.
* The International Standard Atmosphere is now updated to cover the range of -5
to 80 km. (The previous atmosphere ranged from an altitude of -2 to 20 km.)
GSP v10.0.0.7
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* In analogy to the compressor, additional map options: Operating Line and No
map (DP only) have been implemented for the fan core and duct flow passage.
The Operating line option is an advanced feature to analyze (off-design) gas
turbine performance in case the compressor map is not available. The No map
option can only be used to perform design point analyses.
* For compressors, turbines and fan components the map scaling factors can now
be written to the output tables.
* For compressors, turbines and fan components map scaling factors for
off-design can be disabled (i.e. setting them to 1). This allows the model to
use maps as they are specified (e.g. for matching of actual components).
* In batch mode (St. St. series) the simulation will not stop when an error is
encountered. Instead a message is written to the report editor and a comment
to the output table.
* Environment option added to have GSP start-up model folder at folder of last
opened model.
Fixed
--------------------------------------------------------------------------------
* Bug in Ambient/Flight conditions transient row edit window. Now units in
'Transient flight conditions input' window are corresponding to Unit system
set in Ambient/Flight conditions.
* Ctrl - P and Ctrl - S menu items were not linked to the print and print setup
commands in the graphical map figure window.
* Initial window shows on the fuelpump page 2 enabled numeric input fields while
there should only be one enabled depending on the specified option.
* Problem with location and name of on-line help file gsp.hlp solved.
* Wrong indication of active limiter in output table problem solved when using
multiple limiter control components (Supplementary library only!)
Improvements
--------------------------------------------------------------------------------
* Batch mode option for transient and steady-stae series calculations: in the
model Transient/series options now interactive error reporting (requiring the
user to respond before calculation is resumed) can be deactivated. With this
option the error logging functionality should be used (see below).
* Error logging functionality
In the model output options (Debug tab sheet) error logging options are added
providing a means to track errors during calculation. This is particularly
convenient with the Batch mode option active.
* Iteration stability improved around very low fuel flows (particularly with
power setting input as state, where fule flow may become <0 during iteration)
* Iteration stability improved around very low nozzle pressure ratios NPR
where NPR may become <0 during iteration)
* The drawing of steady-state and transient operating points in components maps
has been uncoupled from the scale to model design point option. Scaling to
design point option is unwanted when actual maps are used (when map scaling is
disabled).
GSP v10.0.0.6
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Additional compressor map options: Operating Line and No map (DP only).
The Operating line option is an advanced feature to analyze (off-design) gas
turbine performance in case the compressor map is not available.
The No map option can only be used to perform design point analyses.
* Additional turbine no-map option. The user can fix the turbine operating point
using the no-map option to enforce a simple turbine operating point.
* The OPR has been added as an additional parameter in the DP sweeper component.
Fixed
--------------------------------------------------------------------------------
* Bug with PTO specification in Turbine components (PTO was multiplied
with 1000).
* Display problem with labels in legend in 'all curves in single graph'
(wvgraphs.bpl package)
Improvements
--------------------------------------------------------------------------------
GSP v10.0.0.5
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Added several new total and overall engine parameters to the global output
options dialog (e.g. total intake airflow, total exhaust exit cross area and
Overall Pressure Ratio, OPR defined as Pt3/Pt2 using ARP 775 station
numbering).
* Added a user interface to determine the station numbering for inlet front
face, exhaust throat and exhaust exit. The Station numbering for the inlet
entry and the exhaust exit will become visible in the component icon similar
to all station numbers. This feature prevents the user to open models created
with a version later than 10.0.0.5 in a version lower than 10.0.0.5.
Fixed
--------------------------------------------------------------------------------
* The fuel pump entry pressure expected a value in bar to convert it to
pascal for further analysis. The conversion is not necessary anymore since
the major upgrade to GSP 10.
Improvements
--------------------------------------------------------------------------------
* The calculation order in previous versions was based on the station numbering.
This resulted in case of the use of bleed-in-flow that bleeds were needed, but
not calculated yet for non-ARP755 station numbering. Design time extensions
now provide more robust calculation order definition.
GSP v10.0.0.4
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Due to the implementation of customised components, the structure of the
parent classes have slightly changed.
New features
--------------------------------------------------------------------------------
* Additional options added in the mixer component to use inlet mach, area or
velocity data and mixing plane static pressure balance constraint to size
the mixer at design time.
GSP v10.0.0.3
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* The flight/ambient conditions dialog contained a tabsheet with a radiobutton
selection group to select the unit system. This tabsheet is removed and
functionality replaced by a combobox on top of the dialog similar to the
component property windows.
Fixed
--------------------------------------------------------------------------------
* Fixed the unit system selection of the flight/ambient conditions dialog.
GSP v10.0.0.2
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Added the ability to choose polytropic efficiency for compressor and turbine
components. This feature enables the engineer to quickly compare gas turbines
having different pressure ratios.
GSP v10.0.0.1
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Acces Violation bug with graph of independent (not linked to model) GSP output
data tables.
* Problem with Flight/Amb. conditions dialog Transient table grid Autoschrink
option hanging up GSP, solved: no Autoshrink anymore.
* Problem with resetting transient default time step size after temporary
time step decrease after user specified number of jacobian updates (adaptive
time step option in Iteration options).
* Problem with adding rows in Flight/Ambient conditions transient input table.
* Compressor/fan exit temperature calculation with Eta_is improved (eta_is=ratio
of enthalpies), causes a 0.5 - 1 K change in Texit for most compressors.
GSP v10.0.0.0
--------------------------------------------------------------------------------
Caution!
--------------------------------------------------------------------------------
* Since we have implemented new/improved methods to display values in
numerical fields and grids, converting old models into new models (by saving
your model with the new GSP 10 version) could be accompanied by an undesirable
side effect that some data in numerical grids can be set to the default
values.
Improvements
--------------------------------------------------------------------------------
* Graphical output function improved:
- improved GUI
- last selected output fields in graphs now saved in settings for next time
model is opened.
* Improved automatic sizing of column widths in numerical grids and tables (e.g.
control system schedules).
* An additional graph option has been added to specify if the graph window
stays on top of the desktop (or not) during steady state series or transient
calculations. The user has to click in the graph window to update the graph.
New features
--------------------------------------------------------------------------------
* SI and Imperial unit systems in input and output data. Using a switch of the
models general options (or a combobox on the property sheet of a component)
the input and output can be set in different unit systems. Currently, Imperial
unit system (Imperial) and International System (SI) have been implemented.
* For the registered version of GSP, a design point sweep component and a flight
envelope schedule component have been added.
* Carpet plot option to plot DP sweep and flight scheduler data.
* New (inherited) turbine component with additional zooming capabilities at
turbine stage level.
* For the registered version of GSP, a propeller component supporting fixed
pitch propellors and constant speed propellors. The latter uses a control
sheet rather than a control component to gover the turboprop gas turbine.
* Added a button to call the convergence monitor during calculation from the
simulation progress box.
* The icons of the GSP components will now be updated to the icons present in
the libraries. Since we use different colors or icons in this release, do not
be alarmed if your model does not look exactly as it used to look.
Fixed
--------------------------------------------------------------------------------
* Implemented sourcecode for the last four options of radiobutton groupbox named
"Power delivered to shaft in design point" of the turbine's design tabsheet.
These options enable the user to define the power per turbine in multiple ways
that will be given to the shaft when multiple turbines have been placed on the
same shaft.
* The volume fraction specification of the fuelmixer component interpreted the
fuel incorrectly.
* A procedure to set equilibrium conditions was called at the end of combustor,
but chemical equilibrium was already calculated earlier on. The procedure that
set the equilibrium conditions caused elimination of O, H and OH radicals which
are typically formed at high temperatures, leading in 'less' dissociation and
a higher temperature. The impact of this bug is small since O, H and OH
radicals are formed at very high temperatures (this bug would not affect
models of current in service gas turbines).
GSP v9.2.0.1 - March 28, 2003
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Many improvements to the Operating Point Report output:
Now 5 output data groups can be activated or deactivated for output in the
model Output Options window Oper. Point report tabsheet.
A new group has been added: the long awaited 1st version of a station nr.
oriented data output table with 11 parameters per station.
This way of presenting data is more familiar for most users than the component
based output that is now optional. Per default, the station nr. is active
and the component output is inactive. Change these options per model where
desired.
* Layout, alignment States and Errors report and Model data report improved.
* Now existing text in GSP Report Editor window is not deleted after closing
the window. The text will reappear (depending on "Autoclear.." Oper. Pnt.
Output option) after reopening the window.
* Separate Menu item in Model View menu to open the GSP Report Editor;
Fixed
--------------------------------------------------------------------------------
* No duplicate (heat exchanger, recuperator) components in States and Errors
report and Model data report anymore.
* No inactive states (index 0 or -1) in States and Errors report anymore.
GSP v9.2.0.0 - March 25, 2003
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* 'Window snap' on main- and library windows for easy positioning of windows
along screen borders (snap margin is 10 pixels).
* Improved Heat Exchanger component model. The Supplementary Library now
includes a dynamic heat exchanger recuperator and a dynamic intercooler model.
Both models simulate the thermal dynamics (heat soakage) effects of the wall
material on the gas flow and engine performance. The material properties and
heat transfer parameters are user specified.
Wall material thermal dynamics are significant for recuperated engine
transient performance, as are volume effects (included in most GSP gas path
components).
Heat soakage effects (both flows) to outside/external walls are separately
modelled (as with other components) and also an option. These usually are
less significant.
The dynamic recuperator and intercooler component models are available in
the Supplementary Component library that comes with the registered GSP
versions. Refer to documentation on the modelling details.
The Standard Gas path library heat exchanger in the unregisterd GSP now has
the heat soakage effect omitted.
* GSP STOVL component library and STOVL.MDL demo model added to Registered
version.
* Improved component model GUI: all items affecting Design point are colored
navy blue (dark blue) consistently. Changing these properties (not just
clicking) triggers a switch forcing a new Design point calculation prior to
subsequent off-design calculations.
* Some component models now have a "NoAutoResetToDesign" switch to inhibit the
automatic reset to design for that component, even if the global model
"Auto Reset To Design" option is active. This is convenient in many cases for
the Load Control component for example if used for turboshaft models, where
Design load is specified and off-design load is specified 0 to have GSP
calculate off-design power output into the model's PWshaft global output
variable.
* Much improved software architecture, with more generic methods (standard
CalcFlow, Pressure Loss, HeatSink, Volume Dynamics routines) facilitating
easier use of the CDP and BPL/DLL API's.
Fixed
--------------------------------------------------------------------------------
* Problem with re-sizing of convergence monitor window.
GSP v9.1.1.15 - February 20, 2003
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Heat exchanger/recuperator model improved with options for specifying
off-design effectiveness other than with a map. Simple user defined values or
curves/tables can now be specified by the user in case a map is not available.
* For the registered version of GSP, the split ratio (used in the the splitter
and the valve/splitter control components) has been changed to split fraction.
This that a number between 0 and 1 has to be given, where 0 denotes all
massflow through the core, and 1 denotes all massflow through the bypass. Old
model design data will be updated to 1 if the value is larger than 1. The
transient tabsheet of the valve/splitter controller needs to be updated
manually.
* For the registered version of GSP, an intercooler component and an
intercooler control component have been added.
* Effectiveness definition of the heat exchanger/recuperator (and intercooler)
improved:
Now Effectiveness is corrected with w.cp (mass flow times spec. heat) and
defined as Eff:=In2.W*In2.Cp*(Out2.Tt-In2.Tt)/(Cmin*(In1.Tt-In2.Tt));
with Cmin= minimum {In1.W*In1.Cp, In2.W*In2.Cp}
(old definition was: Eff:=(Out2.Tt-In2.Tt)/(In1.Tt-In2.Tt); )
Although with recuperators this improvement has not a significant effect in
most cases it is more consistent with general practice.
For the intercooler it has a large effect due to the difference in media
properties.
* Temperature function of enthalpy iteration improved in gas properties model
(better accuracy in some rare cases).
Fixed
--------------------------------------------------------------------------------
* Bug writing composition data to output table.
* Initial tabsheet of turbomachniery components (v9.1.1.14 only) not
on 'General' problem.
* Access violation problem when cancelling loading a model half-way the load
process.
GSP v9.1.1.14 - February 17, 2003
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Bug opening models in version 9.1.1.13
Improvements
--------------------------------------------------------------------------------
* Heat exchanger/recuperator model improved with optional simplified relations
for effectiveness instead of effectiveness map.
GSP v9.1.1.13 - February 13, 2003
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Bug preventing calculation of static gas properties at stations (introduced
from version 9.1.1.11 onwards).
GSP v9.1.1.12 - February 5, 2003
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with Generic control (rotorspeed control) as free state in combination
with some custom components (access violation).
New features
--------------------------------------------------------------------------------
* Turbomachinery components (fan, compressor, turbine and custom variants) now
have extra option for the variable geometry option. Now, besides Nc, also PR
can be used to schedule the map modifier. So now, VGV/VIGV schedules can be
specified either as function of Nc or PR. External variable geometry control
is not activated in version 9.1.1.12 yet.
* Bleed schedule unit to specify a compressor bleed schedule as function of Nc.
--------------------------------------------------------------------------------
GSP v9.1.1.11 - January 14, 2003
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with output to table of afterburner efficiency (combustor component)
parameters (FARoutrel, Minrel, Ptinrel)
* Problem with turbine cooling flow data output
* Problem with static properties calculation at component exit station with A>0
in case W=0: now also checked whether W>0 (and A>), otherwise all properties
set to 0 (code unit : giocomp.pas)
Improvements
--------------------------------------------------------------------------------
* Turbine cooling parameter naming improved (Parname_CompID_Cooling flow Nr.)
* Generic Control input 'as free state' option for all Generic control derived
control components
* FuelCtrl component adapted to comply to generic Control input 'as free state'
option
IMPORTANT NOTICES
--------------------------------------------------------------------------------
* Due to the change in the Manual Fuel Control component with regard to the free
state option, the Model Options and new Fuel Flow input option NEED TO BE
RESET in all Manual Fuel Control components with the free state model option
set in prior GSP versions.
--------------------------------------------------------------------------------
GSP v9.1.1.10 - December 18, 2002
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with reading models with unknown classes (BPL with class not found).
GSP v9119 - December 18, 2002
--------------------------------------------------------------------------------
No updates to standard version (updates for DLL and Custom libraries only)
GSP v9118 - December 16, 2002
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with erroneous calculated column titles.
GSP v9117 - December 11, 2002
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with Calculated columns swapping of last two columns in some cases.
* '0's in calculated columns in break records should be blanks.
GSP v9116 - December 4, 2002
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Comment field in output tables can be automatically filled with strings
indicating operating point type (design, steady-state, st.st.series, transient
etc.) if options checked in Model Oupput options.
* Optional (instead of always) Save dialogs pop ups, to be set in Model General
Options.
GSP v9114 - November 27, 2002
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* Default model path in environment options for fast access to your own set of
models.
* To the licenced supplementary component library two new components have been
added. A fuel mixer component, and an exhaust component of which the ambient
pressure can be specified (instead of using the standard ambient pressure
specified by the flight conditions).
* The fuel mixer component efficiently mixes two different types of fuel (e.g.
syngas/LCV with natural gas in industrial gas turbines).
* For simulation of an industrial gasturbine having an exhaust heat recovery
boiler (having a pressure loss over the entry to the exit) the exhaust pres-
sure of the supplementary exhaust component can be specified. At the moment
a fixed exhaust outlet pressure is supported, transient will be supported
soon.
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Fixed error message of the GC inlet component during design calculation.
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* File/Build version number now in new Status bar at bottom of library windows.
* Option in Model Output Options to add default Comments indicating simulation
model (i.e. Design, Steady State, St.St. Series of Transient).
* Now Output parameters in Component window Output tab sheets that are activated
by "Map operating curve par.s" check box, are de-activated when latter option
is on to avoid confusion.
GSP v9113 - November 22, 2002
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Problem with random symbols in curves beyond 8th curve in graphs.
* Problem with wrong curve numbers beyond nr. 9.
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Graph legend improved, line style visibility improved.
GSP v9103 - September 13, 2002
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* The progress box now shows two bars: one for the total simulation progress and
one showing how many iterations per step are remaining.
* Automatic adding of numbers to Component model names when adding/copying
components to a model in order to avoid duplicates.
* Steady State output table now has 'Point' nr field to identify individual
points. With a steady-state series calculation, this value corresponds to the
time value used for specifying the parameter sweep input (using the transient
input functions).
* Capability to generate State-Space model ABCD matrices added (this feature
is not available in the standard version and is activated only when the
specific ABCD matrix generator custom component library is available).
* Capability to call GSP from 3rd party programs through API/DLL (this feature
is not available in the standard version).
* Chemical equivalence ratio can now be specified for output in combustor
component.
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Turbine component Map beta now added to output options.
* Model Output Options Window sizing problem solved.
* Component Nr. in Model form was not always refreshed to the correct value.
* After changing between standard map and other map, it could be that the design
point rectangle could not be moved.
GSP v9102 - Not released, internal use only
--------------------------------------------------------------------------------
New features
--------------------------------------------------------------------------------
* When opening models, the model Window Left and Top are reset to 0 if set to
negative values due to very large Widths and Heights at the time of storing to
file.
* During installation, now the PDOXUSRS.NET file is copied into the Windows
system root (usually C:\). This file is normally created upon first use of the
Borland Database Engine (BDE) after generating a simulation output table.
However, this is impossible when GSP is run with low Windows user access
rights. To prevent this the file is copied with full user acces rights into
the root folder.
* The \temp folder for temporary BDE paradox (*.db) table files is now set to
the general Windows temp folder, to prevent access rights problems.
* "Determined by Map" deleted from Compressor component bleed type options. This
option is obsolete due to the use of bleed flow control system models in GSP
custom components.
* If a map name has been changed, GSP requires a recalculation of the design
point now to enforce re-calculation of map scaling factors. This prevents
errors and erroneous results.
* Due to the implementation of new Windows API's now MS Windows DCOM v1.2 is
required when using W95 or W98. When using Windows NT Service Pack 4 is
required as mimimum for running GSP.
Note that this only will be an issue on old systems that have not been updated
on a normal basis. If GSP normally starts up, no action needs to be taken.
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* In some cases, the graph scales in graph output windows after zooming were
wrong, due to misplacement of the axis major tic labels.
* The problem with output at large (time) output intervals combined with small
calculation (time) step for steady-state series calculation has been fixed.
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* The handling of Null value fields by the Calculated Expression parser has been
improved. Null values and empty <break> records in output tables now just make
the parser output Null values for the result fields. This improvement prevents
'invalid fields' in Calculated Expression table (Output options) if the last
row in the output table is an empty break record.
* Break record rows in the output tables are now indicated by the "<break>"
string in the 1st Comment column.
GSP v9101 - February 20, 2002
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* The parameters Pshock, Tshock, Vshock and Mshock (static P, T and velocity and
Mach right before normal shock) now are always set to static nozzle exit
conditions if there is no normal shock inside the divergent part of the
nozzle, to indicate they have no meaning.
GSP v9100 - January, 2002
--------------------------------------------------------------------------------
New Features
--------------------------------------------------------------------------------
* The solver now automatically adapts (halves) (time) step size if a solution
can not be found for transient and steady state series calculations after a
user specified number of unsuccesful inverse Jacobian updates. Step size is
halved until convergence is realized and then reset to specified size after a
(user specified) time. See the Model window Options|Iteration.
* If transient and steady state series calculations are aborted due to errors
and/or convergence problems, the user is asked to 'attempt continued
calculation with model reset and new jacobian' to directly continue
calculation (instead of having to restart the calculation at the last
timestep). A model reset and new jacobian results in succesful continuation
in many cases.
* Oscillation control for better convergence. In the Model window Option|
Iteration oscillation control can be used either per single error variable
(correction step factor PVR is adapted as function of oscillation of single
highest error variable) or for all error variables and states simultaneously
(correction step factor PVR is adapted as function of oscillation of any
highest error variable, "multiple states" option). Use the Convergence monitor
to see the effect of these options.
* Consistent with standard functions in Windows, function key F5 can now also be
used to refresh output graphs.
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Both heat-exchanger pressure loss maps used the map file for flow 1, even
though the displayed filenames were different.
* When the transient calculation was not able to find a valid solution/operating
point, the model was not correctly reset to the last valid time for
continuation of simulation. This caused problems in only a few cases.
* The statusbar reported transient at the steady state calculation during the
first transient point as stabilization point.
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Formats for calculated columns are now more appropriate and include units
(when non-SI) in output tables and operating point report.
* The convergence unit now also displays the calculation detail level (after
convergence, GSP always performance an additional 'high-detail' level
calculation with detailed gas model relations; the 'low-detail' mode is used
for fast iteration towards convergence).
* The states and errors report now reports the state and error at the point
where the Jacobian is determined. Consistent with Windows functions, during a
design calculation the cursor is now changed to an hourglass.
* In the standard generic Governor and PT Governor control components, instead
of using a reset integrator which resets the integral signal to 0 when
changing sign, now a limited reset integrator is used with trimmer output
limited to the accel/decel schedule limits.
* In the standard generic Governor and PT Governor control components, fuel
flow can now be limited to an absolute maximum or minimum.
GSP v9002 - Not released, internal use only
--------------------------------------------------------------------------------
New Features
--------------------------------------------------------------------------------
* Cool!: Convergence monitor to help solve iteration/convergence problems and
tune iteration control options/parameters. In the model window, click
View|Convergence.
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* User settings are now saved in HKEY_CURRENT_USER in Windows registry instead
of HKEY_LOCAL_MACHINE in order to avoid problems with limited registry write
access rights for users with lower than adminstrator rights.
GSP v9003 - December 13, 2001
--------------------------------------------------------------------------------
New Features
--------------------------------------------------------------------------------
* Manual Fuel Control input model can now be changed after Design calculation.
No recalculation of Design point required anymore after changing Model
options, except when changing 4th option: Fuel flow must remain either manual
input or free state. For example, this option is practical if the user wants
to start calculating off-design points using fuel flow as input but wants to
change to direct specification of TT4 instead at some point in the off-design
analysis session.
GSP v9002 - Not released, internal use only
--------------------------------------------------------------------------------
New Features
--------------------------------------------------------------------------------
* Cool!: Convergence monitor to help solve iteration/convergence problems and
tune iteration control options/parameters. In the model window, click
View|Convergence.
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* User settings are now saved in HKEY_CURRENT_USER in Windows registry instead
of HKEY_LOCAL_MACHINE in order to avoid problems with limited registry write
access rights for users with lower than adminstrator rights.
GSP v9001 - Not released, internal use only
--------------------------------------------------------------------------------
New Features
--------------------------------------------------------------------------------
* Now ambient air humidity and composition data can be requested for output,
also in the operating point report.
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Calculation of Standard Inlet component exit static conditions error with
Aexit specified larger than 0.
* Ambient flight conditions humidity specifications are now added to the Model
data report.
* Error in interpolation of ambient/flight conditions in transients with
changing atmosphere model types (e.g. ISA, ISA+ and Custom).
--------------------------------------------------------------------------------
Improvements
--------------------------------------------------------------------------------
* Convenient positioning of cursor at begin or end for report generation for
Operating point output, Model data and States and Errors.
* To prevent interference, operating point report option now always disabled
when enabling the States and Errors and Jacobian Debug output options.
GSP v9000 - September 14, 2001
--------------------------------------------------------------------------------
New Features
--------------------------------------------------------------------------------
* The Calculated Column function is now improved and a powerful equation parser
is added to enable the addition of calculated columns with virtually any
mathematical expression of GSP output data columns. The expressions are now
saved with the model so you do not need to re-enter expressions again after
re-opening a model. Add a calculated column as before in the output data
tables. You may now also edit the expressions in the Model Output options
under the 'Calculated Expressions' tab.
Notes: In the expressions, decimals point in station numbers are replaced by
'$' to avoid confusion with decimal points in expression constants. Spaces,
blanks and some other special characters are illegal in expressions.
* In the output graphs, with Autoscale disabled in the 'Axes/Layout' Graph
Options, the number of decimals in the axis labels was often inconvenient. The
number of axis label decimals can now be user specified with Autoscale
disabled.
* Whole engine performance result parameters such as net thrust FN, Thrust and
specific fuel consumption TSFC are now optional (were fixed in the output,
also for non-aero engines), to be specified in the Model Output options at
'Global output parameters'. Here also output can be requested for total fuel
flow, total shaft power output and total shaft specific fuel consumption SFC.
TSFC is now in [kg/Nh], SFC is in [kg/kWh]. For other units, use the
calculated column feature to convert. For calculating total turbine shaft power
output, use this option instead of Psurplus (used for this purpose in previous
versions).
* Fuel flow in the Manual Fuel control component can now be specified as a 'free
state' in order to calculate an off-design operating point with (instead of
user specified fuel flow Wf, combustor exit temp. or fuel-air ratio) an
alternative user specified power setting condition such as turbine rotor speed
and/or power load ('Power balance at rotor speed' turbine component model
option). Using the Fuel flow as a free state always requires the setting of
another component's option (such as 'Power balance at rotor speed' in the
turbine to provide an extra error variable to maintain an equal number of model
state and error variables). If this requirement is not met (no corresponding
settings in two components), a 'Model configuration inconsistent' (Nstates<>
Nerrors) error is reported.
* In the 'Gas generator fuel control' and 'Turboshaft fuel control' component
models, the 'Fully trimmed steady state' option calculates steady state
performance in fully trimmed condition (proportional governor droop error fully
compensated by trimmer). As with the 'Power balance at rotor speed' option
mentioned above, this enables calculation of fully trimmed steady state
operating points at user or control system specified rotor speeds and shaft
loads. Important:
1) For the 'Gas generator fuel control', both a state and an error variable are
added with the 'Fully trimmed steady state' option: the trimmer output then is
a state and the shaft speed error (Ndemand-N) is the error. No additional
component needs to be modified and fully steady-state points with a fully
trimmed gas generator speed can be calculated.
2) The 'Turboshaft fuel control' includes a 'Gas generator governor control'
for controlling gas generator power (or speed) based on the power turbine
control logic. The 'Gas generator governor control' logic is similar as
described above in 1) including a gas generator 'Fully trimmed steady state'
option. For the Power turbine control logic (in the "PT control" tab sheet)
there is another 'Fully trimmed steady state' option. This option works
different from the gas generator case: only a state is added for the the
trimmer output. No error variable is added and an error variable has to be
provided by another component. This will normally be from a (power) turbine
component, i.e. a turbine component with the Power turbine option set and the
'Power balance at rotor speed' option set to add the error variable. This
enables the calculation of fully trimmed free-power turbine turboshaft steady
state points (the free power turbine power matching the power load). Normally
the load would be varied and the 'Fully trimmed steady state' would provide
fully trimmed control states providing sufficient fuel to maintain free power
turbine rotor speed at this load. Please note that this option only works for
steady-state calculations !
* The turbine component now has the 'Power balance at rotor speed' option
mentioned above to calculate other engine (free state) parameters such as fuel
flow or a control system variable (e.g. trimming signal) with the specified
rotor speed as input. Any compressors or fans attached to this turbine must
then have the 'Externally controlled' option set.
* The compressor and fan components and descendant component model classes now
need the 'Externally controlled' option set when the shaft speed is not a free
state and determined by another component such as a turbine with the 'Power
balance at rotor speed' option set.
* Failure of correct setting of the above mentioned options for fuel flow,
control, compressor and turbine components in a single model will be reported
as either an error due to the number of model states and (equation) errors not
being equal or an error detecting more than one component trying to (user)
specify the same shaft.
* Dynamic viscosity has been added as output parameter.
* If output parameters do not yet exist in existing tables, a dialog reports
which parameters are not present in the table. User can then choose whether
to go and disregard these additional parameters, or to create a new table.
* Calculated columns are displayed with different background color (standard
soft yellow)
* The intro sound when starting GSP can be disabled in the Environment options.
* Registry settings from previous GSP 8 versions are automatically converted to
9. This allows you to keep the reopen functionality for files and tables
(If you have previously disabled the intro sound when starting GSP, this
setting will not be effective the first time you start GSP 9).
* Control schedule and transient input time functions can now be presented in
graphs for efficient verification and documentation (graph printing) of input
data.
* A linestyle form has been added to set the linestyle and symbol properties for
steady state and transient graphs. These linestyle and symbol properties are
also used for operating curves in component maps. The linestyle and symbol
properties are saved with the model data.
* Component output has been extended with gas properties as Cp, R, gamma,
Reynolds number, density and Reynolds number index.
* A 'Model Notes' window is now available under the Model Data menu in the model
window to store user information for the model such as short model
descriptions, information of the developer etc. The sample models all have
short descriptions in the Model Notes.
--------------------------------------------------------------------------------
Fixed
--------------------------------------------------------------------------------
* Calculated columns displayed 0 values for empty rows, preventing the
indication of a new data series for a separate curves.
* In some cases, the effect of water or steam injection into the combustor was
miscalculated. Calculation has now been thoroughly validated.
* The RNI (Reynolds Number Effect) was not applied to combustor maps in previous
versions.
* Bug fixed in heat exchanger / recuperator pressure loss calculation.
* The heatexchanger operating curve could not be drawn in the map, since
checking "map operating curve par s." in the heatexchanger selected the
"corrected inflow" instead of the "normal inflow".
* In the Manual Variable Exhaust Nozze Control the relative throat value could
become too large during simulation, resulting in an error. It is now limited
between a minimum and maximum.
* When closing a model form after deleting a component, user was not requested
to save the model.
* A memory leak from not freeing components when deleting or closing columns in
a numerical grid has been resolved.
--------------------------------------------------------------------------------
Improvements
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* The output format for Temperature, Cp (specific heat), R (gas constant) and S
(entropy) is now with 2 decimals instead of 1.
* A large number of error/warning messages are now explained using the GSP
on-line help. Click the help button in the error/warning message window.
* The Calculated Column function is now improved, see the 'New features'
section.
* Result data output tables have now two-line title headers with the units
(only if no SI) on the second line.
* Output parameters are now shown in UI elements such as Combo-boxes etc.
without the units. The units are added only (if non SI) in output items such
as the table headers and graph axis titles.
* A Model data 'States and errors report' (for Model States and Error variables
layout troubleshooting) can now also be generated for the Design point
calculation.
* Pressure altitude entry Zp in Model Flight/Ambient Conditions window now
invisible for Custom (non standard atmosphere) conditions (because it then has
no meaning).
* Interpolation between two Flight/Ambient Condition transient points of
different types is (ISA, ISA+ or Custom) improved. In previous GSP versions
the type of the 1st point was maintained until the next point where the
condition type was switched. This could cause discontinuities and made the use
of different condition types in a single transient troublesome. Now automatic
interpolation is applied to all ambient condition parameters, thereby allowing
all kinds of mixing of ISA, ISA+ and Custom conditions type in a single
transient.
* Better Fundamental Pressure Loss calculation error reporting. If unrealistic
data are entered for a combustor (e.g. a very small flow cross area), GSP now
reports the cause of failure of finding a valid flow state condition for the
Fundamental pressure loss calculation.
* The heat exchanger / recuperator component definition of effectiveness has
changed:
used to be : Eff:=(In1.Tt-Out1.Tt)/(In1.Tt-In2.Tt);
with In1/Out1 the HOT flow entry and exit stations. Now it is more compliant
to common practice with recuperators and instead of the hot flow T drop, now
the COLD flow T rise is used to relate to effectiveness:
Eff:=(Out2.Tt-In2.Tt)/(In1.Tt-In2.Tt);
with In1/Out1 the HOT flow entry and exit stations.
* In all graphs windows, zooming has been improved: Inadvertent zooming after
mouse-clicks and very small mouse-moves is now prevented. Zooming only occurs
upon mouse-moves from top-left to bottom-right,larger than approx. 5% of graph
height/width. In all graphs windows, pressing Esc or mouse-moves from
bottom-right to top-left now unzoom.
* In the Output tab of the Manual Fuel Control component, the descriptor has
been changed into a more general term.
* Help file has been made more consistent with the now available User Manual.
* Position and symbol of 'clear' button in Output table has been changed for
consistency with transient input table. The 'clear' button is now marked with
an 'X' caption.
* Buttons in Output tables now have captions added to the glyphs for clearer
indication of their function. With glyphs only (in previous version) too many
users had problems using the buttons.
* Empty tables can now be opened, to allow usage of existing (saved) data in a
model. This adds the option of plotting existing data, to be appended to the
empty table, in a component map of a model for which no simulations have been
run (yet).
* A "Reopen" list is now implemented for result tables, similar to the reopen
list for previously opened and closed Model files in the file menu. This
enables quick reopening of previously saved result tables without the need to
search through various folders/directories.
********************************************************************************
2. HINTS
********************************************************************************
* Use the Convergence monitor
* Use the 'Global output parameter' options in the Model Output options to
specify requested output for parameters such as net thrust FN, Thrust specific
fuel consumption TSFC, fuel flow, shaft power SFC. For calculating total
turbine shaft power output, use this option instead of Psurplus (used for this
purpose in previous versions).
* Set printing to Black & White (in Environment options in GSP Main window) when
coloured curves do not appear.
********************************************************************************
3. KNOWN ISSUES
********************************************************************************
* With some printer drivers, coloured curves do not show: see Hints.
* With the new video system requirement of 64K colors for version 8.2.0.3 and
up, Help file images are not displayed properly with less than 64K colors.
********************************************************************************
4. OTHER
********************************************************************************
* The new policy of GSP 11.0 and higher has changed with respect to previous
versions. The 'Light Edition' (LE) used to hold the basic gas path components
and the basic control components. From version 11.0 all additional components
(supplementary and STOVL components library) will be accessible in the GSP LE
versions. Modellers will be able to configure/set up models with these
components, but running will be prohibited. Running of models containing
registered components requires a license. This new policy allows potential
customers to browse through available components to evaluate whether these
satisfy the modelling needs. If not please contact
This e-mail address is being protected from spambots. You need JavaScript enabled to view it
for
additional questions.
* The 'Multi-reactor' combustor model option has been removed from the standard
component libraries. It is now part of the GSP Generic Components Library for
registered users. This is part of the policy to issue GSP 9.0 free with full
simulation functionality with the standard library but with some modelling
capabilities omitted.