Solving interFoam 3D flow around cylinder -- CFD Online Discussion Forums

December 20, 2015, 12:05	Solving interFoam 3D flow around cylinder	#1
Slein New Member Niels D Join Date: Nov 2015 Posts: 4 Rep Power: 10	Hello, I'm trying to solve a self-made case for the uniform flow around a cylinder. My boundary conditions are the following: left: one face of 3m with inlet with second face of 1m atmosphere right: same as left but then outlet bottom: no-slip wall sides: slip wall cylinder: no-slip wall top: atmosphere But when solving a strange thing happens at the outlet. I use an inlet velocity of 1m/s but the water height seems to be decreasing in the end (see figure). What can be the cause of this?

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