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Strange behaviour of pressure

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Old   January 13, 2010, 11:38
Default Strange behaviour of pressure
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Hi,
I'm completely new to Open-Foam and want to simulate the Karman Vortex Street.

I chose pisoFoam using the LES-method and after a few steps the vortex street can be seen in the velocity view.
Though, the pressure doesn't seem to be right (boundary conditions: Zerogradient at inlet and walls, fixedValue (uniform 0) at outlet).

Is that possible?
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