crazy gradients
Hi all,
I'm experiencig problems with gradient calculation. I have to calculate the gradient of a mass species across a cell at the surface of my domain but FLUENT give me not very accurate results. I think there are some problems because the first layer of cells has a dimension (in the gradient direction) of 1e-5, so pehaps there are numerical errors. I tried the reconstructed gradients but they give me even worse results (like '0' or '1e+36'... !?). Does somebody know how to treat this kind of problem? Thank you very much you all. Luca |
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