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Forum: OpenFOAM Running, Solving & CFD

January 13, 2006, 04:02

Replies: 3

Simplefoam and Delta t

Views: 3,454

Posted By mattijs

There might be very small diff

There might be very small differences if you compile with/without optimization or on a different machine. We compile with -O3 -ffast-math on a p4.

Forum: OpenFOAM Running, Solving & CFD

January 12, 2006, 13:57

Replies: 3

Simplefoam and Delta t

Views: 3,454

Posted By mattijs

simpleFoam uses underrelaxatio

simpleFoam uses underrelaxation which is equivalent to local time stepping.

There is no control apart from changing the underrelaxation factor. Try using different discretisation. Or maybe your...

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