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Forum: Main CFD Forum

December 23, 2012, 20:28

Replies: 4

Simple method: pressure increases after some steps

Views: 1,167

Posted By cdegroot

I think it is pretty likely this is the problem. ...

I think it is pretty likely this is the problem. This setting pressure on all boundaries is really unreliable. Sometimes if you have a good enough initial guess it will work but I'd say this is...

Forum: Main CFD Forum

December 23, 2012, 17:44

Replies: 4

Simple method: pressure increases after some steps

Views: 1,167

Posted By cdegroot

Specifying pressure at inlet and outlet is very...

Specifying pressure at inlet and outlet is very unstable. You need to specify velocity (mass flow) somewhere. The most stable thing to do is specify pressure at the outlet with zero velocity...

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