piston movement -- CFD Online Discussion Forums

October 7, 2004, 09:01	piston movement	#1
STK Guest Posts: n/a	I have a simple theoretical question which i can't answer. How we solve the motion of a piston, when the latter attaches the bottom of the cylinder? We all know that this leads to a negative volume message (the fluid cells doesn't exist more)! how we deviate this problem? *Assume that i want to solve it with dynamic and not deforming motions.

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