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Forum: OpenFOAM Community Contributions

July 2, 2013, 03:32

Replies: 8

[swak4Foam] how to implement fixedMean in groovyBC?

Views: 1,811

Posted By cosimobianchini

With such a pressure ratio I don't think it is a...

With such a pressure ratio I don't think it is a good idea to put a fixed pressure BC at the discharge orifice. I believe your convergence problem are not related to the type of pressure boundary...

Forum: OpenFOAM Community Contributions

July 1, 2013, 12:15

Replies: 8

[swak4Foam] how to implement fixedMean in groovyBC?

Views: 1,811

Posted By cosimobianchini

Rather than fluctuating (never used for transient...

Rather than fluctuating (never used for transient cases) I would say it converges to a profile which is in equilibrium with the internal solution maintaining the specified mean value.
They case you...

Forum: OpenFOAM Community Contributions

July 1, 2013, 10:10

Replies: 8

[swak4Foam] how to implement fixedMean in groovyBC?

Views: 1,811

Posted By cosimobianchini

No. newValues are imposed on the boundary as new...

No. newValues are imposed on the boundary as new fixedValue values.

this->operator==(newValues);
fixedValueFvPatchField<Type>::updateCoeffs();

and that is what valueExpression does in groovy...

Forum: OpenFOAM Community Contributions

July 1, 2013, 05:37

Replies: 8

[swak4Foam] how to implement fixedMean in groovyBC?

Views: 1,811

Posted By cosimobianchini

Well, it reads patch internal values: ...

Well, it reads patch internal values:

Field<Type> newValues(this->patchInternalField());

It calculates and area averaged value:
Type meanValuePsi =...

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