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Forum: OpenFOAM Running, Solving & CFD

November 25, 2012, 15:26

Replies: 10

Gradient at the boundary

Views: 6,915

Posted By bigphil

Hi, for future reference, OpenFOAM sets...

Hi,

for future reference,

OpenFOAM sets non-orthogonal correction to zero on the boundaries. As described in Hrv's thesis, it is assumed that the dependent variable is uniform along the...

Forum: OpenFOAM Running, Solving & CFD

January 13, 2012, 12:48

Replies: 10

Gradient at the boundary

Views: 6,915

Posted By bigphil

Hi, I have been looking at the calculation...

Hi,

I have been looking at the calculation of gradients (fvc::grad) and surface-normal gradients (fvc::snGrad, and fvc::laplacian).

As far as I can see, the snGrad is calculated incorrectly on...

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