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-   -   Multigrid problem (https://www.cfd-online.com/Forums/main/10416-multigrid-problem.html)

Davoche December 7, 2005 05:46
Multigrid problem
 
Hi everybody, My Multigrid V-cycle seems to have problems.

I need 20 smoothing steps ( pre and post for each grid level) to obtain a convergence in 12 MG cycles (TOLERANCE=10-7)on a 65*65*65 domain.

It should be only 2 or 3 smoothing steps or am I wrong ?

Davoche December 9, 2005 04:19
Re: Multigrid problem
 
No idea ?


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