Gradient approximation
Hi, I would like to know how I can approxiamte with finite volume method the gradient of a scalar function on a surface when the mesh is nonorthogonal.Any ideas? Thanks

Re: Gradient approximation
See page 56 of my dissertation, particularly Eq. 4.15, which relates gradient vectors across a surface to finite volume terms. The PDF can be downloaded from,
www.microcfd.com/papers.htm 
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