Swirling flow as a boundary condition -- CFD Online Discussion Forums

November 2, 2010, 08:09	Swirling flow as a boundary condition	#1
hami9293 New Member Terry Tensinsky Join Date: Feb 2010 Posts: 14 Rep Power: 16	Hi, I want to simulate a flow in a pipe. my boundary condition, is velocity at the internal of the pipe. velocity has two componants: a) an unsteady axial flow b) a steady circumferential flow. I think it requires a UDF. I have written the UDF for the first part. it is easy. But I don't know how can I do the second part. Is there any one can help me ?

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