Pressure drop in VOF PCM simulation -- CFD Online Discussion Forums

March 6, 2015, 05:57	Pressure drop in VOF PCM simulation	#1
vekh Member Rafal Join Date: Aug 2013 Location: CK Posts: 36 Rep Power: 12	Hello. I'm trying to simulate the formation of the joint surface in the welding process. I have noticed that, despite the fact that I defined the operating pressure after a few (e.g.,. Two) time steps in the phase in which is the air, pressure falls to negative values. Geometry is shown in the picture - 2D - 1 is the pressure inlet, 2 is pressure outlet (the second one is at the other side). Maybe someone knows why this is happening?

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