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Forum: OpenFOAM Running, Solving & CFD

June 7, 2005, 14:07

Replies: 2

AMG vs ICCG

Views: 3,870

Posted By eugene

Ok, I ran with 1000 top level

Ok, I ran with 1000 top level cells per cpu and relaxation of 0.05. It does 4 cycles per step and efficiency is low as before. It uses 25 seconds or so per timestep, so in an absolute time sense it...

Forum: OpenFOAM Running, Solving & CFD

June 7, 2005, 10:22

Replies: 2

AMG vs ICCG

Views: 3,870

Posted By eugene

A quick question for those in

A quick question for those in the know.

I have been running a 1.5 million cell simpleFoam calc. Since the mesh is only so-so, I decided to try the AMG solvers for the pressure matrix in the hope...

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