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Forum: OpenFOAM Running, Solving & CFD

June 10, 2010, 11:54

Replies: 5

Boundary condition

Views: 1,255

Posted By Daniele111

What is there of wrong in my boundary condition...

What is there of wrong in my boundary condition for atmospheric boundary layer? Help me thanks!
Best regards

Forum: OpenFOAM Running, Solving & CFD

June 9, 2010, 14:32

Replies: 5

Boundary condition

Views: 1,255

Posted By Daniele111

Hi Someone just simulated atmospheric boundary...

Hi
Someone just simulated atmospheric boundary layer? What are correct boundary condition for p? An k epsilon? Is correct use wallShearStress to compute the stress at bottom?
Best regards

Forum: OpenFOAM Running, Solving & CFD

May 31, 2010, 13:10

Replies: 5

Boundary condition

Views: 1,255

Posted By Daniele111

And when I run my case i have this error: ...

And when I run my case i have this error:

DILUPBiCG: Solving for Ux, Initial residual = 1, Final residual = 1.88883e-21, No Iterations 1
DILUPBiCG: Solving for Uy, Initial residual = 1, Final...

Forum: OpenFOAM Running, Solving & CFD

May 31, 2010, 12:54

Replies: 5

Boundary condition

Views: 1,255

Posted By Daniele111

I simulate atmospheric boundary layer and on...

I simulate atmospheric boundary layer and on outlet I impose zero gradient for the pressure, but in the paper that I use like reference don't speak about pressure condition on other part of boundary.

Forum: OpenFOAM Running, Solving & CFD

May 31, 2010, 10:52

Replies: 5

Boundary condition

Views: 1,255

Posted By Daniele111

Boundary condition

Hi All
If i want impose BC, in k-s model, for k, epsilon and U on inlet ma not pressure, How change 0/p file?
Thanks

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