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Forum: STAR-CCM+

March 26, 2012, 14:09

Replies: 4

Increasing performance changing AMG parameters in Star-CCM+

Views: 2,810

Posted By ryancoe

I'm not sure whether increasing the group will...

I'm not sure whether increasing the group will directly affect the memory requirement.

Multigrid methods take advantage of the ability of coarser grids to damp transients more quickly. Without...

Forum: STAR-CCM+

March 23, 2012, 09:23

Replies: 4

Increasing performance changing AMG parameters in Star-CCM+

Views: 2,810

Posted By ryancoe

For the Multi-Grid, I think that you may be able...

For the Multi-Grid, I think that you may be able to increase the group size to improve convergence speed.

I would also experiment with changing the under-relaxation factors.

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