How to simulate a flow field where a rotating object travelling? -- CFD Online Discussion Forums

July 22, 2014, 01:25	How to simulate a flow field where a rotating object travelling?	#1
SJSW Senior Member Join Date: Jun 2014 Location: Taiwan Posts: 100 Rep Power: 11	I'd like to simulate a free-rotating object like a baseball traveling in a infinite fluid with gravity. At first, a semi ball struck in the boundary of a 2D room with a velocity inlet and pressure outlet, but I don't know how to let the ball freely rotate. Then,I draw a 2D room and a hollow as a ball, but it doesn't work. Did I missed some model or setup?

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