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DEFINE_GRID_MOTION UDF issues

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Old   June 29, 2011, 01:31
Default DEFINE_GRID_MOTION UDF issues
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Tejas C
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Hi

I am writing out a UDF for the motion of a flapping wing in 3 D. I am using the DEFINE_GRID_MOTION macro. When I run it I have issues with negative volumes and sometimes a segmentation fault. Anybody has any idea. I have used the same logic as the one used in the UDF manual.
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