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a.sarami June 12, 2010 03:03

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.

ghorrocks June 14, 2010 18:31

Finer mesh are more numerically unstable. There are tips on convergence on the documentation, some more here

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