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February 22, 2020, 03:48
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MPI Abort
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#1 |
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New Member
Sidharth K PIllai
Join Date: Aug 2019
Location: INDIA
Posts: 12
Rep Power: 7  |
I am receiving an error message in my workstation while running an "Omega Reynolds stress" based simulation of annular heat transfer in a concentric cylinder arrangement with inner cylinder heated and outer cylinder rotating.
My mesh is hexahedral with 66 lakh elements I initialized the model from a laminar flow result. I run it on local mpi parallel in 10 logical processors. I dont know that the issue is, I have tried reinstalling ANSYS 18.2, but same error is happening after about 60 iterations. I am also attaching the text file and error message pic also. Please help me ... |
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February 22, 2020, 04:28
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#2 |
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Senior Member
M
Join Date: Dec 2017
Posts: 703
Rep Power: 13 |
The actual error message is an overflow in linear solver.
Check the FAQ's https://www.cfd-online.com/Wiki/Ansys_FAQ. |
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February 23, 2020, 17:09
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#3 |
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Senior Member
Gert-Jan
Join Date: Oct 2012
Location: Europe
Posts: 1,928
Rep Power: 28 |
Why on earth would you think that it has to do with the installation? It is just a matter of bad settings. E.g., I would never start a solution using Reynolds stress. First run it with SST and then restart with Reynolds stress, using a timescale factor 0.3.
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Linear Mode
