define wall in fluent when hooking grid motion -- CFD Online Discussion Forums

August 6, 2010, 14:56	define wall in fluent when hooking grid motion	#1
iman_1844 New Member iman Join Date: Oct 2009 Posts: 9 Rep Power: 17	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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