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June 12, 2010, 03:03
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Cfx-mesh
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#1 |
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Member
Ali Sarami
Join Date: Jun 2010
Posts: 34
Rep Power: 15  |
I have solved a problem using CFX 12.0, now I want make the mesh a little finner in CFX-mesh, but each time I do it, my problem diverges as I try to solve it, i.e. the CFX-solver faces with an error after 50 timesteps.
help me with understanding why such problem occurs. Thank you. |
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June 14, 2010, 18:31
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#2 |
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Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,692
Rep Power: 143 |
Finer mesh are more numerically unstable. There are tips on convergence on the documentation, some more here http://www.cfd-online.com/Wiki/Ansys...gence_criteria
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