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-   -   Any exponential function for streching grids? (https://www.cfd-online.com/Forums/main/14883-any-exponential-function-streching-grids.html)

jinwon park March 3, 2008 10:55

Any exponential function for streching grids?
 
I need to extend grid to absorb wave reflections at boundaries. Gradually to extend grids, is there any good exponential function or method?

Joe March 3, 2008 15:36

Re: Any exponential function for streching grids?
 
Most people use the hyperbolic tangent function to stretch grids.


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