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Forum: OpenFOAM Pre-Processing

October 4, 2013, 04:43

Replies: 7

interFoam parallel

Views: 1,851

Posted By Bernhard

Be careful, GAMG does not necessary outperform...

Be careful, GAMG does not necessary outperform PCG on large parallel case, see: https://www.hpc.ntnu.no/display/hpc/OpenFOAM+-+Performance+on+Vilje#OpenFOAM-PerformanceonVilje-3DpitzDailywithpisoFoam

Forum: OpenFOAM Pre-Processing

September 30, 2013, 08:01

Replies: 7

interFoam parallel

Views: 1,851

Posted By Bernhard

4000 processors seems a bit excessive for 8M...

4000 processors seems a bit excessive for 8M cells. I would assume you did not gain anything by increasing from 2000 to 4000 processors.

How are you solving the pressure equation?

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