uniform flow -- CFD Online Discussion Forums

April 27, 2010, 03:03	uniform flow	#1
shuo New Member shuo Join Date: Apr 2009 Posts: 17 Rep Power: 17	Hi I am trying to implement B.C. for parallel flow at an angle. The domian is basically a box and I have assumed zero normal gradient across the free boundaries for all variables. Funnily i set the initial flow angle to say 45% and as time progresses the flow adjusts itself so that it is parallel to the top and bottom boundaries. How can I avoid this from happening? SHuo

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