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KNOWN ISSUE: Force calculations on interfaces and cut planes (Class 3 Error)


SYMPTOM:<br>Forces at interfaces or cut planes are approximated by combining pressure and mass flow force contributions. However, this approximation will not balance the force on...

KNOWN ISSUE: Transient multiphase flow with Total Energy heat transfer model (Class 3 Error)


SYMPTOM:<br>When doing a transient multiphase simulation using the Total Energy heat transfer model, there is an error in the discretization of the transient pressure term in the energy...

KNOWN ISSUE: CFD-Post may crash if an attempt is made to compute streamlines using the "Normal" variable


SYMPTOM:<br>CFD-Post may crash if an attempt is made to compute streamlines using the "Normal" variable<br><br>PROBLEM:<br>The "Normal" variable...

KNOWN ISSUE: MFX simulations may fail on HP-UX Itanium 64 platforms


SYMPTOM:<br><br>When executing MFX (2-way FSI) simulations on HP-UX Itanium 64 platforms, the CFX-Solver may fail with an error such as:<br><br>An internal error has been...

KNOWN ISSUE: Paths for projects and temporary files in ANSYS Workbench should not contain symbolic links


SYMPTOM:<br>The problem shows up in various ways depending upon exactly which systems are being used and which paths contain symbolic links. For example, a system may fail to update due to...

Q: In POLYFLOW - GAMBIT does not start under POLYMAN. What should be done?


A: Here are some workarounds:<br><br>1. move/copy Gambit installation into ansys_inc/v140/polyflow in order to have a compatibility with FLUENT_INC definition;<br>2. in POLYMAN,...

Q: In POLYFLOW there is a problem when asking the total extra-stress tensor for a film DCPP simulation case. What can be done?


A: An easy workaround consists of not asking the extra-stress post-processor. The extra-stress post-processor is already activated by dafault; it is no longer needed to activate it a second time.

KNOWN ISSUE: Not all turbo data saved in Turbo-Pre in certain circumstances (Class 3 Error if it were noit in Known Issues and Limitations document)


SYMPTOM:<br>Some turbo-specific data may not be correctly set or written in Turbo-Pre mode.<br><br>PROBLEM:<br>Turbo data (Passages per Mesh etc.) previously defined by...

KNOWN ISSUE: The CFX-Solver Manager in ANSYS Workbench crashes when starting the Command File Editor


SYMPTOM:<br>Whenever the Command File Editor is invoked from the CFX-Solver Manager in ANSYS Workbench, the CFX- Solver Manager crashes.<br><br>PROBLEM:<br>This is due to a...

KNOWN ISSUE: Radiation is not rotationally periodic (Class 3 Error)


SYMPTOM:<br>When running cases with either the Monte Carlo or Discrete Transfer radiation model that have rotational periodicity, the CFX-Solver treats the periodic boundaries as symmetry...

KNOWN ISSUE: Directional radiation sources can give incorrect answers in some circumstances (Class 3 Error)


SYMPTOM:<br>The following combinations of directional radiation sources (available with the Monte Carlo Model) give incorrect answers with the current implementation:<br><br>- a...

Q: In FLUENT: how can you replace an existing mesh with another similar one - is there an efficient way to retain the non-geometric parameters and models while substituting the mesh?


A: The older FLUENT text user interface (tui) "file/reread-grid" functionality has been replaced in version 6.2 by the "grid/modify/replace-zone" functionality. this...

Is there a way to import DesignModeler geometry in TGrid for meshing?


Tgrid only reads faceted geometry.<br><br>If you have a geometry in DM, please connect the geometry cell with a mesh cell. Open the meshing application and allow the geometry to be...

Q: My license file contains 2 INCREMENT lines for the ANSYS HPC Pack product (feature anshpc_pack), one for 2 tasks (allowing up to 32 cores for a parallel solver) and the other for 1 task (allowing up to 8 cores for a parallel solver).

If I run an 8 core solver followed by a 24 core solver the 8 core solver runs correctly but for the 24 core solver I get the error:

"Feature anshpc_pack could not be split."

If I start the 24 core solver before the 8 core solver both solvers run with no problem.

Is there a workaround for this?


A: This particular license file should give a pool of 40 cores which should allow a 24 core and an 8 core solver to be run at the same time with no problems regardless of the order in which the...

Q: How can you do symmetric expansion about a local coordinate system?


A: Please use following commands in command objects in workbench to expand over local coordinate system.<br>/post1<br>/show,png<br>/view,1,1,1,1<br>csys,14 !activate local...

My programs won't start after installing on Windows 7. Are there any special installation requirements for Windows 7?


The Windows 7 operating system has security controls that are set high by default. This will prevent successful installation.<br><br>In order to successfully install ANSYS products on...

KNOWN ISSUE: Limitations with calculations of forces on Immersed Solids in CFD-Post (Class 3 Error if it were not mentioned in the Known Issues and Limitations document)


PROBLEM:<br>CFD-Post does not include the viscous component of the force when calculating forces and torques on Immersed Solids.<br><br>WORKAROUND:<br>Use a monitor point...

Is there a document for ANSYS 13.0 that covers installation, downloads,ANSYS Help, and technical support?


Please see the attached pdf file.

Are there any FAQs for ANSYS 13 that provide guidance on download, installation and setup, tutorials, etc.?


<br>This FAQs document is available on the Customer Portal. Please navigate to Product Information -> ANSYS 13 -> FAQs.<br><br>This document contains a set of FAQs...

KNOWN ISSUE: User specification of particle track limits gives incorrect export


SYMPTOM:<br>If the User Specified value for Limits Option is used with a non-zero value for Start Time on the particle track object in CFD-Post, then, if the track is subsequently exported,...

How can I collect ANSYS 13.0 licensing-related diagnostic log files on my Windows computer to attach to my Service Request?


Download the attached command file ansys_debug130.cmd.<br><br>Double-click this file on the client machine and on the license server if applicable. It will output necessary information...

KNOWN ISSUE: Custom files are not used when run started from Solver Manager


SYMPTOM:<br>When cases that have been created in CFX-Pre and use custom files (e.g. RULES, VARIABLES) are started from the Solver Manager, the files are not used even though it is reported...

KNOWN ISSUE: Error when a temperature dependent source is added to a 1:1 Fluid-Fluid interface


SYMPTOM:<br>If a temperature-dependent source is added to a Fluid-Fluid interface whose Mesh Connection is set to 1:1, then the solver may generate the following messages during the...

KNOWN ISSUE: Solver does not apply Fluid-Specific Velocity at wall (Class 3 Error)


SYMPTOM:<br>If a Fluid-Specific Wall Velocity has been specified for an Eulerian multiphase calculation, then the CFX-Solver does not apply the velocities correctly to each phase. Instead,...

Do you have a script (JScript) for v13 which converts one connection type to another? (Solution 2009435 does not work with v13.)


/*<br> * Convert Connections<br> *<br> * This script converts connections from one type to<br> * another, based on the "toType" variable set below.<br>...