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Forum: OpenFOAM Running, Solving & CFD

November 22, 2010, 11:20

Replies: 10

Gradient at the boundary

Views: 6,915

Posted By Fransje

Hum. A quick look at the wiki also returned the...

Hum. A quick look at the wiki also returned the following answer. This should take care of the issues altogether.

Kind regards,

Francois.

Forum: OpenFOAM Running, Solving & CFD

November 22, 2010, 07:57

Replies: 10

Gradient at the boundary

Views: 6,915

Posted By Fransje

Dear Alexander, Yes. If you are afraid that...

Dear Alexander,

Yes. If you are afraid that the inbuilt implementations do not compute/use the solutions you expect, you can easily check that the values OpenFOAM uses are similar to those you...

Forum: OpenFOAM Running, Solving & CFD

November 21, 2010, 12:59

Replies: 10

Gradient at the boundary

Views: 6,915

Posted By Fransje

Dear Alexander, Could you not try a dot...

Dear Alexander,

Could you not try a dot product between the velocity component and the the face area? Something like:

boundaryUxValue = ( Ux & yourBoundaryPatch.patch().Sf() );
etc.

Kind...

Forum: OpenFOAM Running, Solving & CFD

November 19, 2010, 09:01

Replies: 10

Gradient at the boundary

Views: 6,915

Posted By Fransje

Dear Alexander, The lower order estimation...

Dear Alexander,

The lower order estimation on the boundary is correct. Of course you would also like a higher-order estimation on the boundary, but because it makes the implementation of such a...

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