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define wall in fluent when hooking grid motion

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Old   August 6, 2010, 13:56
Question define wall in fluent when hooking grid motion
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iman
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Hi everybody,

I'm trying to work with dynamic meshes with a DEFINE_GRID_MOTION UDF. The UDF does work very well and it moved boundary,( this boundary defined Wall). after 1 time step , "No Slip" Condition does`nt work on boundary and velocity on this boundary is non zero.


i think, i must add one part in my udf to redefine boundary. if this is true, please help me to add this part.

Thanks
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