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src
finiteVolume
finiteVolume
convectionSchemes
gaussConvectionScheme
gaussConvectionScheme.C
Go to the documentation of this file.
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "
gaussConvectionScheme.H
"
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#include <
finiteVolume/fvcSurfaceIntegrate.H
>
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#include <
finiteVolume/fvMatrices.H
>
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace
Foam
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace
fv
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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template
<
class
Type>
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tmp<GeometricField<Type, fvsPatchField, surfaceMesh> >
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gaussConvectionScheme<Type>::interpolate
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(
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const
surfaceScalarField
&,
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const
GeometricField<Type, fvPatchField, volMesh>
& vf
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)
const
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{
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return
tinterpScheme_().interpolate(vf);
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}
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template
<
class
Type>
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tmp<GeometricField<Type, fvsPatchField, surfaceMesh>
>
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gaussConvectionScheme<Type>::flux
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(
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const
surfaceScalarField
& faceFlux,
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const
GeometricField<Type, fvPatchField, volMesh>
& vf
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)
const
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{
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return
faceFlux*
interpolate
(faceFlux, vf);
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}
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template
<
class
Type>
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tmp<fvMatrix<Type>
>
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gaussConvectionScheme<Type>::fvmDiv
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(
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const
surfaceScalarField
& faceFlux,
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GeometricField<Type, fvPatchField, volMesh>
& vf
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)
const
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{
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tmp<surfaceScalarField>
tweights = tinterpScheme_().weights(vf);
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const
surfaceScalarField
& weights = tweights();
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tmp<fvMatrix<Type>
> tfvm
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(
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new
fvMatrix<Type>
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(
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vf,
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faceFlux.
dimensions
()*vf.
dimensions
()
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)
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);
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fvMatrix<Type>
& fvm = tfvm();
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fvm.
lower
() = -weights.
internalField
()*faceFlux.
internalField
();
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fvm.
upper
() = fvm.
lower
() + faceFlux.
internalField
();
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fvm.
negSumDiag
();
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forAll
(fvm.
psi
().boundaryField(), patchI)
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{
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const
fvPatchField<Type>
& psf = fvm.
psi
().boundaryField()[patchI];
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const
fvsPatchScalarField
& patchFlux = faceFlux.
boundaryField
()[patchI];
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const
fvsPatchScalarField
& pw = weights.
boundaryField
()[patchI];
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fvm.
internalCoeffs
()[patchI] = patchFlux*psf.
valueInternalCoeffs
(pw);
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fvm.
boundaryCoeffs
()[patchI] = -patchFlux*psf.
valueBoundaryCoeffs
(pw);
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}
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if
(tinterpScheme_().corrected())
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{
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fvm +=
fvc::surfaceIntegrate
(faceFlux*tinterpScheme_().
correction
(vf));
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}
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return
tfvm;
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}
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template
<
class
Type>
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tmp<GeometricField<Type, fvPatchField, volMesh>
>
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gaussConvectionScheme<Type>::fvcDiv
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(
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const
surfaceScalarField
& faceFlux,
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const
GeometricField<Type, fvPatchField, volMesh>
& vf
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)
const
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{
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tmp<GeometricField<Type, fvPatchField, volMesh>
> tConvection
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(
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fvc::surfaceIntegrate
(
flux
(faceFlux, vf))
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);
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tConvection().rename
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(
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"convection("
+ faceFlux.
name
() +
','
+ vf.
name
() +
')'
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);
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return
tConvection;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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}
// End namespace fv
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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}
// End namespace Foam
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// ************************ vim: set sw=4 sts=4 et: ************************ //