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Forum: OpenFOAM

July 27, 2011, 04:25

Replies: 9

Laplacian term in N-S equation

Views: 3,455

Posted By DiegoNaval

Thank you very much Pablo, I found the little...

Thank you very much Pablo,
I found the little mistake in the brackets, but now all it is more clear. In every books i found that this therm is always hides in the source terms without explicit its. ...

Forum: OpenFOAM

July 26, 2011, 11:45

Replies: 9

Laplacian term in N-S equation

Views: 3,455

Posted By DiegoNaval

Hi Pablo I'm agree that if the muEff is not...

Hi Pablo
I'm agree that if the muEff is not constant the terms
"div(muEff*grad(U))" and "muEff*lapalcian(U)" are different, but in the Navie- Stokes equation the first term is the right one.
But...

Forum: OpenFOAM

July 26, 2011, 05:38

Replies: 9

Laplacian term in N-S equation

Views: 3,455

Posted By DiegoNaval

Hi Mirko I'm not sure of that. Why this terms...

Hi Mirko
I'm not sure of that. Why this terms should be zero when the solution is reached? Both therms are not zero at the end, and why the inner product should be zero?

Could you send me a...

Forum: OpenFOAM

July 22, 2011, 11:15

Replies: 9

Laplacian term in N-S equation

Views: 3,455

Posted By DiegoNaval

Laplacian term in N-S equation

Hi All,

I have a little question on the Navier-Stokes implementation in OF.

In the interPhaseChangeFoam solver the N-S equation has written as:

fvVectorMatrix UEqn
(
...

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