dynamic mesh in openfoam -- CFD Online Discussion Forums

March 19, 2014, 02:04	dynamic mesh in openfoam	#1
cctv Member Yu CAO Join Date: May 2013 Posts: 76 Rep Power: 12	Hi: I am wondering if any one know the mechanism of dynamic mesh handling in openfoam. I have the following questions: 1. after moved the position of grid nodes, do I have to interpolate the physical properties from the old one the the new one. I have read a few papers about this, they all did not mention such operations, I don't know why. 2. the motion of the internal nodes in openfoam is controled by solving a Lapalacian equation, I am wondering why to do so, just to keep the mesh in a good quality or it have physical meanings. Can I move the points arbitrarily with my own rules? Thank you in advance.

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