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Forum: OpenFOAM Running, Solving & CFD

September 10, 2007, 15:19

Replies: 157

Parabolic inlet velocity profile

Views: 48,195

Posted By nzy102

Dr. Jasak: I found a workar

Dr. Jasak:

I found a workaround with my boundary conditions. Thank you for your help and I really appreciate it.

Ning

Forum: OpenFOAM Running, Solving & CFD

September 8, 2007, 23:55

Replies: 157

Parabolic inlet velocity profile

Views: 48,195

Posted By nzy102

Hey Hrvojie: I followed you

Hey Hrvojie:

I followed your suggestions and it turns out that the calculated flow rate based on the parabolic profile is almost two times as big as what it is supposed to be. So I made some...

Forum: OpenFOAM Running, Solving & CFD

September 7, 2007, 00:34

Replies: 157

Parabolic inlet velocity profile

Views: 48,195

Posted By nzy102

I think I know n and maxValue

I think I know n and maxValue now. The question is about y. How to define y in boundary condition? I am working on a circular inlet which is not parallel to either x axis, or y axis, or z. I defined...

Forum: OpenFOAM Running, Solving & CFD

September 6, 2007, 23:11

Replies: 157

Parabolic inlet velocity profile

Views: 48,195

Posted By nzy102

Dr. Jasak: One more questio

Dr. Jasak:

One more question: can you explain variables of "n" and "maxValue" in parabolicVelocityFvPatchVectorField.C? What format should I use to define n and maxValue in boundary condition as...

Forum: OpenFOAM Running, Solving & CFD

September 6, 2007, 21:13

Replies: 157

Parabolic inlet velocity profile

Views: 48,195

Posted By nzy102

Dr. Jasak: It compiles fine

Dr. Jasak:

It compiles fine now. When I ran my case, I got:

=================================================--> FOAM FATAL ERROR :
gradientInternalCoeffs cannot be called for a...

Forum: OpenFOAM Running, Solving & CFD

September 6, 2007, 15:29

Replies: 157

Parabolic inlet velocity profile

Views: 48,195

Posted By nzy102

Hi Alberto and Hrvoje: I tr

Hi Alberto and Hrvoje:

I tried to compile your parabolic velocity under openfoam 1.4.1 and got error message as follows:

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
[nzy102@lionxo...

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