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-   -   Gradient calculation in unstructured mesh. (http://www.cfd-online.com/Forums/main/1381-gradient-calculation-unstructured-mesh.html)

H.Choi October 10, 1999 04:18

Gradient calculation in unstructured mesh.
 
I've been writing my own research code using unstructured, pressure-based FV approach. I uses node centered scheme, edge-based data structure, and Gauss theorem. As I know, Gauss Theorem, Least square, or weighted least square method are generally used to calculate cell gradients. Can anyone give me some advice and information about differences of these methods?


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