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Forum: OpenFOAM

September 2, 2013, 04:15

Replies: 2

Boundary condition convective boundary fluid-solid

Views: 1,352

Posted By Ricardo

Hello, I used explicit scheme to calculate...

Hello,
I used explicit scheme to calculate boundary values and then implicit scheme to calculate field centre values. It is conditionaly stable, but it works... :o

Does not exist easier method?...

Forum: OpenFOAM

August 22, 2013, 03:49

Replies: 2

Boundary condition convective boundary fluid-solid

Views: 1,352

Posted By Ricardo

Hello, if i understood correctly fixedGradient is...

Hello, if i understood correctly fixedGradient is gradient between surface and central point.

code from "fixedGradientFvPatchField.H"

x_p = x_c + \frac{\nabla(x)}{\Delta}...

Forum: OpenFOAM

August 20, 2013, 04:54

Replies: 2

Boundary condition convective boundary fluid-solid

Views: 1,352

Posted By Ricardo

Boundary condition convective boundary fluid-solid

I would like use boundary condition (sufraceGradient=k*(A-Ainf)), where k is constant, A is value at surface of solid and Ainf is value of air. I used groovyBC, it works, but are here other...

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