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Old   December 16, 2008, 22:46
Default FSI
  #1
Netra reddy
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Hello,

I am working with pulsatile flow in a flexible tube model.Designed the tube in ansys workbench and gave the material properties.geometry of the fluid nd mesh is done in Ansys ICEM CFD.when tried to solve the combined in ANsys solver the following error popped up.

Added /FLOW?SOLVER CONTROL/EQUATION CLASS:momentum/TRANSIENT SCHEME/TIMESTEP INITIALISATIONS/Option=Automatic

Processing ANSYS Input File(Running CCL2MF)

Created C:\Documents and Settings\Divya\straight pipe\geoagdb_002.ansys\ANSYS.mf

Starting ANSYS Solver

An error has occurred in cfx5solve: ANSYS Solver terminated unexpectedly with return code 3840

This run of the ANSYS CFX solver has finished.

Could you please say what is the problem.

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Old   December 17, 2008, 07:48
Default Re: FSI
  #2
brunoc
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Check the ANSYS log files located at geoagdb_002.ansys\. They might give you some answers.
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Old   February 21, 2012, 02:31
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Sulakshan Arya
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"C:\Program Files\ANSYS Inc\v130\CFX\bin\perllib\cfx5solve.pl" -batch
-ccl runInput.ccl -fullname "Fluid Flow CFX_002"

Setting up CFX Solver run ...


+--------------------------------------------------------------------+
| |
| Starting ANSYS Solver |
| |
+--------------------------------------------------------------------+


+--------------------------------------------------------------------+
| An error has occurred in cfx5solve: |
| |
| ANSYS Solver terminated unexpectedly with return code 3840



+--------------------------------------------------------------------+

Please tell me what is the problem..

I am doing FSI using ansys workbench.
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Old   February 21, 2012, 11:32
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Take a look at the ANSYS log file. The CFX out file just say ANSYS died.
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Old   February 22, 2012, 01:32
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Sulakshan Arya
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Hi stumpy, some how the previous problem got solved but now i have a new error could you please tell me whats wrong..


ERROR #001100279 has occurred in subroutine ErrAction. |
| Message: |
| CFX encountered the error: Read. Fatal error occurred when reque- |
| sting Total Mesh Displacement for Interface. |
| |
| |
| |
| |
+--------------------------------------------------------------------+

+--------------------------------------------------------------------+
| ERROR #001100279 has occurred in subroutine ErrAction. |
| Message: |
| cplg_SendCommand failed to send the command: ERROR -- CFX encount- |
| ered the error: Read. Fatal error occurred when requesting Total |
| Mesh Displacement for Interface. |
| |
| |
| |
+----------------------------------
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Old   February 22, 2012, 10:27
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Same as before - check the ANSYS log file since CFX could not get a mesh displacement from ANSYS (i.e. ANSYS died)
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Old   February 24, 2012, 05:44
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No i didn't find anything saying ansys died, or trouble in transferring mesh from ansys... Is there anything else causing the problem???
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Old   February 24, 2012, 12:29
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The error you posted showed that ANSYS failed:

ERROR -- CFX encountered the error: Read. Fatal error occurred when requesting Total Mesh Displacement for Interface.

If CFX cannot read the displacement, which comes from ANSYS, then it's more than likely that ANSYS failed. You need to look in the ANSYS.stdout file to find out why.
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