Deforming surfaces changes its plane feature when side walls moving ! -- CFD Online Discussion Forums

September 28, 2012, 09:48	Deforming surfaces changes its plane feature when side walls moving !	#1
gi12 New Member Join Date: Nov 2010 Posts: 22 Rep Power: 15	I am using dynamic mesh to simulate expanding cylinder. Cylinder walls are expanding and moving in circular motion at the same time. Cylinder side walls are moving fine using DEFINE_GRID_MOTION, and the top and bottom walls which are planes are set to deforming faceted. When deforming the top and bottom walls shape start to change their shape to look a bit more like a dome or hat, and do not stay flat as they should be! Any suggestions to solve this problem would be very much appreciated

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