Problem with steadyState solvers using pressure BC -- CFD Online Discussion Forums

December 9, 2009, 08:41	Problem with steadyState solvers using pressure BC	#1
Victor New Member Victor Fleischer Join Date: Nov 2009 Posts: 21 Rep Power: 16	Hi at all, i have a problem, trying to reach a steadyState for my Case. It is quite similar to the MultiRegionHeater Tutorial Case. I fixed the pressure on the Inlet and the Outlet (fixedValue 1e5) and set the Velocity to zeroGradient on the Inlet and Outlet. I tried different Solvers (rhoSimpleFoam, buoyantSimpleFoam) but always the problem occured, that the pressure Equation could not be solved properly. The residuals rised instead of converging...... Doas anybody know how to handle this? Perhaps the problem is, that on the other boundaries i don't have a buoyantPressure BC as in the tutorial case!? Victor

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