UDF-motion type -- CFD Online Discussion Forums

July 4, 2013, 12:03	UDF-motion type	#1
Jess New Member Jessica Join Date: Jul 2013 Location: England Posts: 6 Rep Power: 13	Hi everyone. I'm studying the motion of a pressure valve. I need to write a UDF for the motion of the valve-disc. currently i do not know which type of motion is best to use, e.g. CG_MOTION, GRID_MOTION etc? The problem is a 2D problem and the valve disc only need to move in 1 direction. Im new to using UDF and moving mesh. Also could someone recommend a turotial for me to learn more on UDF and moving mesh? Thanks in Advance

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