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Pressure problem in pitzDaily pisoFoam LES

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April 18, 2012, 18:13	Pressure problem in pitzDaily pisoFoam LES	#1
fluentfreak New Member fluentfreak Join Date: Mar 2009 Posts: 14 Rep Power: 17	Hello! I ran the LES pitzDaily tutorial: ....../incompressible/pisoFoam/les/pitzDaily The velocity field is ok. But the pressure field at the inlet fluctuates drastically which is propagated downstream to the pressure outlet boundary. At one timestep the inlet pressure is +400Pa and after a few timesteps the inlep pressure becomes -400Pa. Have you observed this problem? Can you offer any solution to that? I have tried different integration schemes and more number of PISO corrections. But no lock... Please help!

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