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grid clustering using elliptic equation

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Old   March 5, 2005, 22:00
Default grid clustering using elliptic equation
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dear evereybody

dearing my research, i need to cluster the grid in the vicinty of the wall, this is automatically done using elliptic grid generation for grid around smooth convex body such as circular cylinder ,but for grid for square cylinder or grooved cavity, the grid moves far from solid surface, in book COMPUTIONAL FLUID DYNAMICS by Hoffmann and other books there are control function having a damping function ,how to use this. thanks
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