Reversed flow at the outlet -- CFD Online Discussion Forums

January 5, 2011, 01:00	Reversed flow at the outlet	#1
swati_mohanty New Member sm Join Date: Jun 2009 Posts: 15 Rep Power: 16	Dear all, I have a multiphase system with water, magnetic and non-magnetic particles. the mixture flows down by gravity between two grooved magnetic plates. I have specified velocity inlet at the inlet boundary and outflow or pressure outlet at the outlet boundary. The pressure at the outlet is taken as 0 gauge pressure. although initially the simulation results are okay after sometime I get reversed flow and the flow of solids as well as water in the downward direction stops. Could anybody help in fixing the right boundary conditions. thanx sm

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