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Forum: OpenFOAM

May 31, 2011, 05:54

Replies: 4

Does MULES::implicitsolve allow for Courant numbers > 1?

Views: 3,078

Posted By akidess

The restriction is not OpenFOAM specific, but...

The restriction is not OpenFOAM specific, but tied to the PISO algorithm itself. If you read the derivation of the algorithm, there is a step where it is assumed that the velocity only slightly...

Forum: OpenFOAM

May 31, 2011, 05:09

Replies: 4

Does MULES::implicitsolve allow for Courant numbers > 1?

Views: 3,078

Posted By akidess

No, you are still bound by the PISO algorithm to...

No, you are still bound by the PISO algorithm to Co < 1. However, using explicit MULES you are bound by the capillary wave length, which usually gives a time step criterion dt << (Co < 1). MULES...

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