KR125: Find out location of a point in the mesh using a UDF |
FLUENT solves conservation equations for mass and momentum and stores the solution variables (e.g. temperature, pressure) at the grid cell centroids.<br><br>In order to compare the... |
KR126: What do the 'On' and 'Passive' options in the six DOF solver mean? |
When the six DOF solver is activated in Dynamic Mesh -> Parameters, ¿On¿ and ¿Passive¿ check boxes appear under Six DOF Solver Options when specifying a rigid... |
KR127: Can I use dynamic mesh feature to move parts in a steady state simulation? |
Yes, the dynamic mesh feature can be used in steady state applications to perform a parametric study of different object/boundary positions in the fluid flow.<br><br>Typical... |
KR128: How to get rid of following error while reading mesh in Fluent: 'grid,WARNING: no face with given nodes. Thread 2, cell 429466 Error: Build_Grid: grid error.' |
Before exporting mesh for Fluent in Gambit, change parameter EXPORT_USING_UTILITY from 0 to 1.<br><br>This can be changed by going through... |
KR129: Where can I find more information on airfoil used in the tutorial 3? |
Since it is a symmetric airfoil, it is one from NACA00xx family.<br>Please visit:<br><a target=_blank... |
KR130: What are the Rpsetvar commands used for conjugate heat transfer? |
(rpsetvar 'temperature/secondary-gradient? #f)<br>Will ignore secondary gradient on all the cells, but not the shell cells.<br><br>(rpsetvar... |
KR131: How can I export the temperature in an ASCII format for further postprocessing and analysis? |
The ASCII Export commands works as described below<br>When we type following in Fluent Console and press Enter Key<br><br>/file/export/ascii<br><br>This command will... |
KR132: How can I improve the convergence of FLUENT calculations involving combustion and radiation? |
Steady state calculations are independent of the initial condition specified. However, the use of combustion and/or radiation models introduces significant nonlinearities in the transport... |
KR133: What are the suggested steps if I am having convergence issues for conjugate heat transfer problems? |
Suggested solutions if you run into convergence issues:<br><br>1) Make sure that the grid at the interface is not too dissimilar.<br><br>2) Grid should ideally be very fine... |
KR134: How to run FLUENT in parallel on a PC? |
Set your Fluent.Inc environment variables:<br><br>Select the Start Menu, Programs, Fluent Inc Products, Fluent 12, Set Environment. Choose YES to Modify.<br><br>Then open... |
KR135: How can I activate beta features for the density based solver in Fluent 6.3? |
To activate the beta features, use the text command<br><br>(rpsetvar `enable-beta-dbns-features? #t)<br><br>Then go to /solve/set-beta-dbns-features. |
KR136: How can I activate beta features in Fluent 12? |
The beta features can be activated from the TUI:<br><br>define->beta-feature-access |
KR137: How do I measure the time it takes to iterate in Fluent? |
If you are running the parallel version of the code, you can use the<br>Parallel->Timer feature.<br><br>Note: You can run the parallel version of the code on only one... |
KR138: What are the Hardcopy settings? |
There are several settings such as<br><br>¿ Getting white background<br>¿ Setting resolutions<br>¿ Saving TIFF vs. using a snap tool for ppt... |
KR139: How do I export particle data to Ensight? |
<br>You can export particle data to Ensight using :<br>Solve -> Particle History -> Export Particle Data<br><br>To read in data in Ensight... |
KR140: How can I create cool animations in FLUENT and CFD-Post? |
The procedure for creating animation in Fluent 6 is outlined below.<br><br>Go to Solve -> Animate -> Define<br><br>(a) Increase the animation sequence by... |
KR141: How do I export (e.g Field View) data for post processing during calculation? |
Fluent 6.3:<br><br>Enter the following TUI command in the execute commands:<br><br>Solve ->Execute Commands<br><br>Steady... |
KR142: How do I use 6DOF Solver for restricted DOF problems? |
You can do limited DOF problems using 6dof solver. You need to set the translational and rotational velocities calculated by the 6dof solver to zero. In Fluent 12, there is a new feature to... |
KR144: How can I set up porous media coefficients given pressure drop versus mass flow rate data? |
You can typically get a curve fit of pressure drop versus mass flow rate in the form of equation 1 ( refer attached figure)<br><br>When we compare the values of eq 1 with what Fluent... |
KR145: There is no file name option to Autosave files in Fluent 12 on WB Platform. How do I specify the file name? |
You will have an option to save the project from the WB main page. If you select "Save As" and specify a path that will be the path for your current run. The file name you specify... |
KR195: If I want to 're-play' my post-processing steps on a given solution, how do I do this in CFD-Post? |
See attached PDF file. |
KR196: I am new to ANSYS, Workbench, DesignModeler, FLUENT, CFX, Mechanical, DesignXplorer, Meshing, and CFD-Post, are there any quick-start tutorials or videos on introduction to these applications/programs? |
A series of animated tutorials including video slideshows, printable instructions and example files for different applications can be found on this Portal under Tutorials as well as on Product... |
KR197: What is CFX-Viewer? How can I get it? |
CFX-Viewer allows for dynamic viewing of images created in CFX-Post in a .cvf format.<br><br>Images in .cvf format can be included in CFD-Post-generated html reports or other... |
KR198: What's the difference between a session file and a state file in CFD-Post? |
A session file includes all the steps involved in getting to a certain state.<br>A session file can be created, and all subsequent operations are recorded.<br>Later, the session file... |
KR199: How do I change the displayed units in CFD-Post? |
See attached PDF file. |