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Forum: OpenFOAM

August 14, 2013, 13:35

Replies: 25

Laplacian(A*B)

Views: 3,347

Posted By fabian_roesler

Hi That's a pitty. But the code of niklas...

Hi

That's a pitty. But the code of niklas seems to be promissing. Ricardo, I didn't get your approach in total. Could you explain it in a little more detail? Especially the part of the...

Forum: OpenFOAM

August 14, 2013, 02:43

Replies: 25

Laplacian(A*B)

Views: 3,347

Posted By fabian_roesler

Hi The first laplacian +...

Hi

The first laplacian

+ fvc::laplacian(delta*F,psat)

accounts for the change in saturation pressure and would be zero for constant psat. It has to be treated explicit...

Forum: OpenFOAM

August 13, 2013, 16:45

Replies: 25

Laplacian(A*B)

Views: 3,347

Posted By fabian_roesler

Dont forget the chain rule

Hi,

when psat is a function of temperature, you are not allowed to pull it out of the gradient in the laplacian function. But you could use the chain rule to get an implicit term of F and an...

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