FLUENT - How to set the graphics window background, foreground and zone colors |
How can we change the colors used in the graphics window?<br>The graphics window colors can be changed with text user interface (TUI) commands.<br><br>For example, in the FLUENT... |
Maximum cell skweness |
In Tgrid, there might be a need to access maximum cell skewness( Mesh--->Tri/Tet/Controls/Refinement) through<br>a scheme command. A typical application of this command is in a Tgrid... |
Mixsim2: Heat exchanger coil or tube bundle as porous media zone? |
A tank contains one or more helical heat exchanger coil(s), or bundles of vertical heat exchanger tubes in a circular arrangement. In both cases, resolving the geometry of these entities results... |
MixSim, Windows: "Add Object:" button list is empty -- cannot add any object to Tank |
A new Mixsim installation. Run the first session. Create a new model. Go to the "Cylindrical Tank" model: The "ADD Object:" button list in the right column of the... |
POLYDATA : error message of the type : assert "nLen < (INT_MAX / sizeof(wxChar)) ..." |
This trouble is encountered when running POLYDATA in wx mode and when the .p3rc file is missing<br>Add a .p3rc file that should at least contain the following information:<br>MAXLEN 90 |
Changing kill-script name and path |
Scheme file attached below would create $HOME/kill-fluent<PID> script in user specified directory. Name<br>of the script file could also be changed. The usuage of which is as... |
Acoustics module does not work in parallel -FLUENT 6.0.20 |
Acoustic Model runs on Single CPU. However the same case doesn't run in parallel. The acoustic scheme file is available.<br>Acoustic Model in FLUENT-6.0.20 will not run on parallel if... |
Reynolds stress model with realizability based epsilon equation |
When highly separated and vortical flow is considered, the eddy viscosity models, i.e., general one and two equation models, fail to predict the outstanding flow features correctly, partly due to... |
POLYFLOW - How to invoke POLYFLOW with a UDF under POLYMAN environment? What are the valid filenames for a UDF? |
Under the POLYMAN environment, when invoking POLYFLOW with a UDF, it does not seem to work.<br>It is possible to run POLYFLOW with a UDF from the POLYMAN enviroment. But care must be taken... |
Why am I getting "can't open DISPLAY" when using telnet? |
Suppose you run your job on a UNIX box and want to postprocess on a PC by remotely logging in, you get an error "can't open display".<br>FIDAP and GAMBIT automatically... |
Shear stress on surface |
Need macro to give shear stress<br>Macro used in the following code snippet:<br><br>{<br>real... |
/sbin/loader: Fatal Error: Cannot map library libfor.so |
When trying to run FLUENT you get the following error message:<br><br>/sbin/loader: Fatal Error: Cannot map library libfor.so<br><br>Comments: The latest version of fluent... |
FLUENT or TGRID hangs on AIX |
There were changes made to libc on AIX 4.3.3, AIX 5.1, and AIX 5.2.<br><br>If the maintenance level of libc.a is at the following levels, cortex will hang on socket... |
difference between BOUNDARY_HEAT_FLUX(f,tf) and BOUNDARY_RAD_HEAT_FLUX(f,tf) |
User wanted to use two macros but encountered some discrepancies between the udf results and what FLUENT prints in the GUI Report-Fluxes panel.<br>Two macros are available to get heat... |
species source terms |
source term for a species is added but it does not show up in the mass imbalance<br>Species sources are not accounted for in the mass imbalance in the solver. This is something that should... |
particle tracks discrepancy in FLUENT 6.1.18 parallel distributed memory |
User wrote:<br>I have three different FLUENT furnace simulations which have been run on v6.0.20 succesfully on serial solver. When I load any of these in v6.1.18 (serial or parll), the... |
How to use load distribution vector for parallel processing with CPUs of different speed |
When using the parallel solver, the default partitioning method will try to put the same number of cells in each partition. For example, when a case file is loaded into a parallel session using 3... |
Model specific cpu time calculation |
How do you find out the cpu time taken in solving each equation in your model?<br>The following text command can be used to find out the cpu time taken in solving each model... |
POLYFLOW : The motion of the impeller is wrong (MST calculation) |
When running a MST calculation, the impeller undergoes a wrong motion.<br>The parameters defining the impeller motion may be wrong, and have to be checked.<br>If the calculation starts... |
Primitive Error at Node 0: dump_face out of memory |
Problem Description:<br><br>You have just purchased a dual processor machine with 4 GB of RAM. You have a large case file (between 3 - 4 million cells). While reading in the case file... |
Node values not calculated properly for UDM's in a parallel solver |
When UDM's are used to store certain values, the values are stored for cells. For a parallel version of Fluent, if node<br>values are displayed for the UDM's there is... |
POLYDATA - Polydata does not work in a remote session (over a network) |
I am running polydata from another machine, sometimes the buttons at the top and the clickable text menus do not respond. What is happening?<br><br>The NumLock key interferes with the... |
Mixsim2: Error: get-thread: invalid thread id (integer) or name (symbol) |
When I want to create impeller surfaces, MixSim issues the error message...:<br> Error: get-thread: invalid thread id (integer) or name (symbol)<br>(This may also appear in other... |
Mixsim2: Cannot have more than 8 impellers on the same shaft |
When more than eight impellers are attached to the same shaft, MixSim fails most often to create a mesh.<br>Other features of MixSim are probably also affected by this... |
Mixsim2: Windows: cannot use CAD file that is located in the Mixsim-Object-Library directory |
When a new impeller is implemented as a new object class (by putting a new .mxo MixSim object file in e.g. the ...Fluent.Incmixsim2.0Mixsim-Object-Library directory), a ACIS (.sat) CAD file can be... |