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How can we provide boundary condition at a boundary which act as both inlet & outlet?

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January 12, 2011, 00:25	How can we provide boundary condition at a boundary which act as both inlet & outlet?	#1
VINEETH V K New Member VINEETH V K Join Date: Dec 2010 Posts: 8 Rep Power: 15	Hi, iI am modelling a downward facing cavity. how should i provide the boundary condition at the bottom surface which act as both inlet and outlet of air.?

January 14, 2011, 01:12		#2
vig New Member anonymous Join Date: Jan 2011 Posts: 23 Rep Power: 15	you can choose either pressure inlet or pressure outlet. Both these boundary conditions would take care of reverse flow. For eg. if you choose boundary as pressure outlet, in case of reverse flow, it would behave as a pressure inlet.

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