Simple cavity, confusing result
I have a simple 2D cavity with inlet / outlet flow. When I simulate in PISO, and PIMPLE, I get unusual pressure bands at the inlet. See attached images.
There is nothing unusual I can see in my boundary conditions!
p inlet is zero gradient
p outlet is fixed value, uniform 0
U inlet is fixed value, uniform, 0.05 directed inwards
U outlet is zero gradient.
Any assistance would be greatly appreciated.
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