How to set up volume force to drive the flow -- CFD Online Discussion Forums

June 8, 2016, 06:56	How to set up volume force to drive the flow	#1
shddr110 New Member Tau Join Date: Jun 2016 Posts: 1 Rep Power: 0	Hi guys, I am simulating a 3D turbulent open channel flow in OpenFOAM. I successfully set up the cyclic boundary conditions at inlet and outlet, and I wish to set up a constant volume force (some people also regard it as a constant pressure drop) inside the whole domain to drive the flow. I checked many forums but only found a "fan" type. With "fan" the pressure would rise in the streamwise direction. But I want a constant pressure drop. Anyone knows how to do that in OpenFOAM? Much thanks! Best Regards

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