Defining movement direction -- CFD Online Discussion Forums

June 18, 2004, 08:28	Defining movement direction	#1
Jack Guest Posts: n/a	Hi all, I'm trying to model the motion of a piston. i've created a udf, which compiles ok, but when I view the motion, the piston seems to skew rather than deform along its axis. My question is how do i define the direction of movement Thanks Jack

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