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Forum: OpenFOAM Running, Solving & CFD

August 7, 2007, 05:50

Replies: 10

Matrix coefficients from boundary conditions how

Views: 8,058

Posted By tehache

Hmmm... I am calculating a gr

Hmmm...
I am calculating a gradient at the surface like this (in updateCoeffs(), for a radiation boundary condition. epslam is a factor containing thermal conductivity and emissivity. *this gives...

Forum: OpenFOAM Running, Solving & CFD

August 6, 2007, 04:55

Replies: 10

Matrix coefficients from boundary conditions how

Views: 8,058

Posted By tehache

Hi Stefan, I believe you sh

Hi Stefan,

I believe you should calculate your surface temperature, which is a result from your prescribed gradient, like this:

scalarField::operator=
(
...

Forum: OpenFOAM Running, Solving & CFD

January 12, 2007, 05:58

Replies: 10

Matrix coefficients from boundary conditions how

Views: 8,058

Posted By tehache

Hello, I am trying to under

Hello,

I am trying to understand implementation of boundary conditions...

Simple question: Why is e.g. when using a fixedGradientFvPatchField gradient(internal/boundary)Coeffs called, but...

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