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Forum: OpenFOAM Programming & Development

February 1, 2012, 09:38

Replies: 4

extended cell stencil

Views: 2,241

Posted By tomislav_maric

I've tried the extendedLeastSquares with the...

I've tried the extendedLeastSquares with the minDet = 8 to get the most cells, and the gradient reconstruction is unstable (in a symmetric way with respect to the mesh alignment) for a sharp...

Forum: OpenFOAM Programming & Development

February 1, 2012, 03:38

Replies: 4

extended cell stencil

Views: 2,241

Posted By tomislav_maric

Thanks a lot for the advice! I've tried this as...

Thanks a lot for the advice! I've tried this as well, but ended up using volPointInterpolation + face average + Gauss linear, it gives great results! :)

I gave up on leastSquares when I read this:...

Forum: OpenFOAM Programming & Development

January 31, 2012, 08:40

Replies: 4

extended cell stencil

Views: 2,241

Posted By tomislav_maric

Well, to answer myself: take a look at...

Well, to answer myself:

take a look at CPCCellToCellStencil: it constructs a point based neighbourhood of the cell, thus picking up the 27 cell stencil often used for linear regression in the...

Forum: OpenFOAM Programming & Development

January 30, 2012, 06:40

Replies: 4

extended cell stencil

Views: 2,241

Posted By tomislav_maric

extended cell stencil

Hi everyone,

mesh.cellCells() gives a cross-like 6 cell stencil for hex cells. I'm in need of a 27 cell stencil, or at least a wider stencil of computation surrounding a face. There are some...

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