strain rate at arbitrary position in a cell
The strain rate magnitude is available at the cell centers for plotting contours. I would like to extract the strain rate at arbitrary positions in the cell using interpolation. I know fluent does this when plotting contours using interpolation from node values.
I am trying to implement this using a udf, and have had no luck. Does anyone know if, for a given cell that I know the index and thread to, if I can get the strain values at the nodes of the cell easily using some sort of macro. Therre is none listed in the udf manual. If I have the strain values at the nodes, I could use some sort of finite element shape function to interpolate to my point of interest. Using the strain rate at the cell center does not give me the resolution I desire. Thanks in advance
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