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How to UDF for a oscillating flat plate?

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Old   June 20, 2012, 12:06
Question How to UDF for a oscillating flat plate?
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New to fluent and not sure what I'm doing. I have a UDF written, but I can't get it to work right. Should I use DEFINE_CG_MOTION or DEFINE_GRID_MOTION, and what's the difference?

Also, I keep getting errors when trying to set up the dynamic mesh.
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oscillation, udf cg motion

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