Near Wall treatment
I am using OpenFOAM to calculate a turbulent channel flow with a Reynolds Stress Model using wall functions. Since my results are not quite what they should be, I am interested how OpenFOAM deals with the near wall region, because I think this could be the course for my bad results. So, my questions are:
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I found out that the gradient at the wall is somehow defined in fvPatchField.C. In the source Code of this file, it says:
Code:
// Return gradient at boundary Code:
//- Return the face - cell distance coeffient |
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