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Forum: OpenFOAM Running, Solving & CFD

July 10, 2006, 12:57

Replies: 9

Matrix Algebra

Views: 2,120

Posted By hjasak

Let's think about it: in terms

Let's think about it: in terms of absolute residuals, you are quite right: boosting the diagonal and the source will mean that you are closer to the solution. However, the reported residuals are...

Forum: OpenFOAM Running, Solving & CFD

July 10, 2006, 10:12

Replies: 9

Matrix Algebra

Views: 2,120

Posted By hjasak

No, it's all fine. The matrix

No, it's all fine. The matrix normalisation is based on the diagonal and source and it's different in the two cases. You could safely ignore this and carry on.

Hrv

Forum: OpenFOAM Running, Solving & CFD

July 10, 2006, 09:46

Replies: 9

Matrix Algebra

Views: 2,120

Posted By hjasak

You need to be more careful: w

You need to be more careful: what class are you using and what exactly happens.

Class lduMatrix has got the membr functions for

const scalarField& lower() const;
...

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