IcoFoam and Contraction in Pipe -- CFD Online Discussion Forums

March 3, 2009, 10:18	Hi I'm new to CFD and OpenF	#1
sami_lakka New Member Sami Lakka Join Date: Mar 2009 Posts: 6 Rep Power: 17	Hi I'm new to CFD and OpenFoam and I need some help in defining correct boundary conditions on my test case. I'm testing a case where constant volumetric flow goes through a contraction. I have created a mesh which consists from inlet, contraction and outlet. I would like to know how to specify the outlet condition so I will correctly see how the fluid's velocity is increased in the contraction. My inlet is of fixed value type with uniform velocity (0.1 m/s). Should I use the same for my outlet?

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