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Forum: OpenFOAM Pre-Processing

November 9, 2011, 04:49

Replies: 9

Boundary conditions 2D Poisseuille flow in a pipe

Views: 6,764

Posted By akidess

If you specify a uniform fixedValue velocity on...

If you specify a uniform fixedValue velocity on the inlet, the flow will have to develop first. I think the easiest way to specify a parabolic inlet velocity profile is using an extension called...

Forum: OpenFOAM Pre-Processing

November 9, 2011, 04:08

Replies: 9

Boundary conditions 2D Poisseuille flow in a pipe

Views: 6,764

Posted By akidess

You'll have three boundaries: inlet, outlet and...

You'll have three boundaries: inlet, outlet and sidewall. If you know the inlet velocity, this should work:

Inlet: U fixedValue, p zeroGradient
Outlet: U zeroGradient, p fixedValue uniform 0...

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