UDF for a moving piston -- CFD Online Discussion Forums

February 20, 2015, 05:46	UDF for a moving piston	#1
tsram90 Member Join Date: Oct 2011 Posts: 80 Rep Power: 14	I am trying to generate a pressure wave using a pistion. The Displacement of pistion is based on a sine equation. I tried dynamic mesh by using x,y values I took from the equation. and its working perfectly. Now I directly want to implement the equation. Can anyone provide a UDF for the same. I saw many UDF's that use a velocity equation, But I directly want to use a Displacement equation. Can anyone help?

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