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functionObjects::wallHeatFlux: More efficient evaluation of heat-flux

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which avoids the need for field interpolation and snGrad specification and
evaluation.

Resolves patch request https://bugs.openfoam.org/view.php?id=2725
This commit is contained in:
Henry Weller
2017-10-17 12:17:24 +01:00
parent 25c3c683c5
commit 6584fa6ce0
1 changed files with 6 additions and 8 deletions
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14
src/functionObjects/field/wallHeatFlux/wallHeatFlux.C
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@ -65,20 +65,18 @@ void Foam::functionObjects::wallHeatFlux::calcHeatFlux
volScalarField& wallHeatFlux
)
{
surfaceScalarField heatFlux
(
fvc::interpolate(alpha)*fvc::snGrad(he)
);
volScalarField::Boundary& wallHeatFluxBf =
wallHeatFlux.boundaryFieldRef();
const surfaceScalarField::Boundary& heatFluxBf =
heatFlux.boundaryField();
const volScalarField::Boundary& heBf =
he.boundaryField();
const volScalarField::Boundary& alphaBf =
alpha.boundaryField();
forAll(wallHeatFluxBf, patchi)
{
wallHeatFluxBf[patchi] = heatFluxBf[patchi];
wallHeatFluxBf[patchi] = alphaBf[patchi]*heBf[patchi].snGrad();
}
if (foundObject<volScalarField>("qr"))