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Forum: OpenFOAM

May 21, 2010, 02:37

Replies: 12

Problem with zeroGradient wall BC for temperature - Total temperature loss

Views: 8,019

Posted By Chrisi1984

hEqn changed

Hi,
I modified hEqn like this:

volTensorField gradU = fvc::grad(U);

volTensorField tau =
- turbulence->muEff() * (gradU + gradU.T())

+ (2.0/3.0 *...

Forum: OpenFOAM

May 18, 2010, 02:10

Replies: 12

Problem with zeroGradient wall BC for temperature - Total temperature loss

Views: 8,019

Posted By Chrisi1984

at Christoph: I think your relaxation factors...

at Christoph: I think your relaxation factors should be alright.

The problem is mostly likely the implementation of the energy equation. I have yet noticed that the energy equation is only for...

Forum: OpenFOAM

May 17, 2010, 11:03

Replies: 12

Problem with zeroGradient wall BC for temperature - Total temperature loss

Views: 8,019

Posted By Chrisi1984

I observed preciously the same problem with my...

I observed preciously the same problem with my calculation. But I also could not find a solution yet. Perhabs we can tackle the problem together.
I once heard that too low relaxation factors caused...

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