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Forum: OpenFOAM

September 3, 2013, 04:02

Replies: 5

missing p.relax() in pisoFOAM

Views: 3,667

Posted By akidess

It doesn't really matter that much if you relax...

It doesn't really matter that much if you relax UEqn. In fact, you can throw out the solution UEqn completely by deactivating the momentum predictor.

As for your question about the two types of...

Forum: OpenFOAM

December 13, 2010, 05:04

Replies: 5

missing p.relax() in pisoFOAM

Views: 3,667

Posted By akidess

You can also use relaxation with transient...

You can also use relaxation with transient solutions, see eg. PIMPLE or transient SIMPLE. However, the whole point about the PISO algorithm is to eliminate the need for underrelaxation. I do agree...

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