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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "linearUpwind.H"
#include "fvcGrad.H"
// * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * * //
template<class Type>
Foam::linearUpwind<Type>::linearUpwind
(
const fvMesh& mesh,
const surfaceScalarField& faceFlux
)
:
upwind<Type>(mesh, faceFlux),
gradSchemeName_("grad")
{}
template<class Type>
Foam::linearUpwind<Type>::linearUpwind
(
const fvMesh& mesh,
Istream& schemeData
)
:
upwind<Type>(mesh, schemeData),
gradSchemeName_(schemeData)
{}
template<class Type>
Foam::linearUpwind<Type>::linearUpwind
(
const fvMesh& mesh,
const surfaceScalarField& faceFlux,
Istream& schemeData
)
:
upwind<Type>(mesh, faceFlux, schemeData),
gradSchemeName_(schemeData)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Type>
Foam::tmp<Foam::SurfaceField<Type>>
Foam::linearUpwind<Type>::correction
(
const VolField<Type>& vf
) const
{
const fvMesh& mesh = this->mesh();
tmp<SurfaceField<Type>> tsfCorr
(
SurfaceField<Type>::New
(
word("linearUpwind::correction(", vf.name(), ')'),
mesh,
dimensioned<Type>(vf.name(), vf.dimensions(), Zero)
)
);
SurfaceField<Type>& sfCorr = tsfCorr.ref();
const surfaceScalarField& faceFlux = this->faceFlux_;
const labelList& owner = mesh.owner();
const labelList& neighbour = mesh.neighbour();
const volVectorField& C = mesh.C();
const surfaceVectorField& Cf = mesh.Cf();
tmp<fv::gradScheme<scalar>> gradScheme_
(
fv::gradScheme<scalar>::New
(
mesh,
mesh.schemes().grad(gradSchemeName_)
)
);
for (direction cmpt = 0; cmpt < pTraits<Type>::nComponents; cmpt++)
{
tmp<volVectorField> tgradVf =
gradScheme_().fvcGrad(vf.component(cmpt), gradSchemeName_);
const volVectorField& gradVf = tgradVf();
forAll(faceFlux, facei)
{
const label celli =
(faceFlux[facei] > 0) ? owner[facei] : neighbour[facei];
setComponent(sfCorr[facei], cmpt) =
(Cf[facei] - C[celli]) & gradVf[celli];
}
typename SurfaceField<Type>::BoundaryField& bSfCorr =
sfCorr.boundaryFieldRef();
forAll(bSfCorr, patchi)
{
fvsPatchField<Type>& pSfCorr = bSfCorr[patchi];
if (pSfCorr.coupled())
{
const labelUList& pOwner = mesh.boundary()[patchi].faceCells();
const vectorField& pCf = Cf.boundaryField()[patchi];
const scalarField& pFaceFlux = faceFlux.boundaryField()[patchi];
const vectorField pGradVfNei
(
gradVf.boundaryField()[patchi].patchNeighbourField()
);
// Build the d-vectors
const vectorField pd
(
Cf.boundaryField()[patchi].patch().delta()
);
forAll(pOwner, facei)
{
const label own = pOwner[facei];
if (pFaceFlux[facei] > 0)
{
setComponent(pSfCorr[facei], cmpt) =
(pCf[facei] - C[own])
& gradVf[own];
}
else
{
setComponent(pSfCorr[facei], cmpt) =
(pCf[facei] - pd[facei] - C[own])
& pGradVfNei[facei];
}
}
}
}
}
return tsfCorr;
}
// ************************************************************************* //
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