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Forum: OpenFOAM Running, Solving & CFD

September 14, 2005, 17:04

Replies: 13

Residuals for convergence of segregated solvers

Views: 16,750

Posted By hjasak

1. gAverage is like average, b

1. gAverage is like average, but if you're running in parallel, you do average over all processors

2. gSum is like sum, but if in parallel you sum up over all processors

3. matrix.small:...

Forum: OpenFOAM Running, Solving & CFD

September 14, 2005, 07:17

Replies: 13

Residuals for convergence of segregated solvers

Views: 16,750

Posted By hjasak

For matrix A x = b, resi

For matrix

A x = b,

residual is defined as

res = b - Ax

We then apply residual scaling with the following normalisation factor procedure:

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