Mesh Stiffness Problem -- CFD Online Discussion Forums

October 11, 2014, 01:31	Mesh Stiffness Problem	#1
mahdimazloom New Member Mahdi Mazloom Join Date: Jul 2014 Location: Mashhad - Iran Posts: 12 Rep Power: 11	Capture.jpg I have defined a rigid body having XY degrees of freedom for the inner cylinder in the figure. Mesh stiffness is adjusted as "increase near boundaries". But this is what happens after a few oscillations . How can I solve this problem?

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