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Forum: OpenFOAM Running, Solving & CFD

August 15, 2007, 07:49

Replies: 5

Turbulent channel flow

Views: 2,695

Posted By olwi

Some alternatives: 1. Maybe

Some alternatives:

1. Maybe the solver boundaryFoam does what you want. I think it's used to generate realistic inlet bc:s for other solvers, but maybe the way it's done can be confusing to you....

Forum: OpenFOAM Running, Solving & CFD

August 15, 2007, 06:00

Replies: 5

Turbulent channel flow

Views: 2,695

Posted By olwi

Forgot to say: Since you want

Forgot to say: Since you want a fully developed flow, you need only one or two cells in the streamwise direction...

This flow may appear trivial, but it converges a lot slower than problems...

Forum: OpenFOAM Running, Solving & CFD

August 15, 2007, 05:57

Replies: 5

Turbulent channel flow

Views: 2,695

Posted By olwi

Hi, To start with, you need

Hi,

To start with, you need a contstant streamwise pressure gradient. Otherwise you wont have any flow. I think you can set zero-gradient BC:s on the patches upstream and downstream for all...

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