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Forum: Main CFD Forum

August 16, 2012, 10:39

Replies: 13

Question about multigrid method theory

Views: 1,679

Posted By lnk

Does it mean if I calculate the residuals of fine...

Does it mean if I calculate the residuals of fine mesh then use the obtained fine mesh residuals to calculate the residuals for coarse mesh, the residual for coarse mesh can be more accurate than...

Forum: Main CFD Forum

August 16, 2012, 10:18

Replies: 13

Question about multigrid method theory

Views: 1,679

Posted By lnk

Question about multigrid method theory

Hi, everyone

There's one thing i don't understand about the multigrid method. I'm wondering why we smooth our residual from fine to coarse? It's part of updating the equation. Why don't we...

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