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Old   December 7, 2005, 06:46
Default Multigrid problem
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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 ?
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Old   December 9, 2005, 05:19
Default Re: Multigrid problem
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No idea ?
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