question about gaps between the interfaces -- CFD Online Discussion Forums

January 28, 2016, 00:46	question about gaps between the interfaces	#1
wei623286970 New Member xuhaiwei Join Date: Jan 2016 Posts: 1 Rep Power: 0	Hi all, I use Ansys Fluent 16.2 in a 2d case for VIV . When I used a UDF to give the circle a velocity,the interface won't separate. But if I use a UDF to compute the velocity of the wall-cir under the force of fluid and make wall-cir move , the interface will separate. Any help would be appreciated. best wishes

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