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Forum: OpenFOAM Running, Solving & CFD

November 22, 2006, 10:31

Replies: 10

FvMatrix coefficients

Views: 9,615

Posted By hjasak

lduMatrix (which is what you a

lduMatrix (which is what you are using) is constructed with an addressing object which tells it the location of non-zero coefficients. The one from the fvMesh allows non-zero off-diagonal entries...

Forum: OpenFOAM Running, Solving & CFD

October 12, 2006, 03:16

Replies: 10

FvMatrix coefficients

Views: 9,615

Posted By hjasak

Yup, correct. All you need to

Yup, correct. All you need to know on top of that is now to find the matrix position of (say) the third off-diagonal coefficient in the upper triangle (the lower triangular coefficients are in the...

Forum: OpenFOAM Running, Solving & CFD

October 11, 2006, 09:51

Replies: 10

FvMatrix coefficients

Views: 9,615

Posted By hjasak

What you are missing is the se

What you are missing is the separation between the Finite Volume support and discretisation and generic matrix format. In the FVM, coefficients will only exist if cells share a face, so your...

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