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Forum: Main CFD Forum

July 11, 2009, 20:21

Replies: 8

LES by Multigrid

Views: 2,640

Posted By sbaffini

1) Ok 2) You should be sure that your code...

1) Ok
2) You should be sure that your code gives you the the designed accuracy. The boundary consitions should also be carefully checked. For example, i was using fluent with the node-based gradient...

Forum: Main CFD Forum

July 10, 2009, 12:45

Replies: 8

LES by Multigrid

Views: 2,640

Posted By sbaffini

Maybe it could be the frictional step that...

Maybe it could be the frictional step that dissipate too much energy....

...no, i'm joking, i couldn't resist :).

The fractional procedure is ok and, if correctly implemented, it has a second...

Forum: Main CFD Forum

July 10, 2009, 11:02

Replies: 8

LES by Multigrid

Views: 2,640

Posted By sbaffini

what kind of splitting are you using for the...

what kind of splitting are you using for the pressure and what boundary conditions?

moreover, how are you treating the sgs term (CN,AB)?

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