UDF for traction-free boundary condition at outlet -- CFD Online Discussion Forums

November 10, 2009, 02:40	UDF for traction-free boundary condition at outlet	#1
psb New Member PSB Join Date: Nov 2009 Posts: 5 Rep Power: 16	hi.. How is a traction-free boundary condition implemented using a udf at the outlet of a pipe? The traction-free condition specified in the reference paper is -p+0.0035 (du/dx) = 0. Also the inlet is pressure-inlet with the pressure value specified.

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