fvcSimpleReconstruct.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2013-2022 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
#include "fvcReconstruct.H"
#include "fvMesh.H"
#include "extrapolatedCalculatedFvPatchFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace fvc
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
template<class Type>
tmp<VolField<typename outerProduct<vector, Type>::type>>
reconstruct
(
    const SurfaceField<Type>& ssf
)
{
    typedef typename outerProduct<vector, Type>::type GradType;
 
    const fvMesh& mesh = ssf.mesh();
 
    const labelUList& owner = mesh.owner();
    const labelUList& neighbour = mesh.neighbour();
 
    const volVectorField& C = mesh.C();
    const surfaceVectorField& Cf = mesh.Cf();
 
    tmp<VolField<GradType>> treconField
    (
        VolField<GradType>::New
        (
            "reconstruct("+ssf.name()+')',
            mesh,
            dimensioned<GradType>
            (
                "0",
                ssf.dimensions()/dimArea,
                Zero
            ),
            extrapolatedCalculatedFvPatchField<GradType>::typeName
        )
    );
 
    Field<GradType>& rf = treconField();
 
    forAll(owner, facei)
    {
        label own = owner[facei];
        label nei = neighbour[facei];
 
        rf[own] += (Cf[facei] - C[own])*ssf[facei];
        rf[nei] -= (Cf[facei] - C[nei])*ssf[facei];
    }
 
    const typename SurfaceField<Type>::
    Boundary& bsf = ssf.boundaryField();
 
    forAll(bsf, patchi)
    {
        const fvsPatchField<Type>& psf = bsf[patchi];
 
        const labelUList& pOwner = mesh.boundary()[patchi].faceCells();
        const vectorField& pCf = Cf.boundaryField()[patchi];
 
        forAll(pOwner, pFacei)
        {
            label own = pOwner[pFacei];
            rf[own] += (pCf[pFacei] - C[own])*psf[pFacei];
        }
    }
 
    rf /= mesh.V();
 
    treconField().correctBoundaryConditions();
 
    return treconField;
}
 
 
template<class Type>
tmp<VolField<typename outerProduct<vector, Type>::type>>
reconstruct
(
    const tmp<SurfaceField<Type>>& tssf
)
{
    typedef typename outerProduct<vector, Type>::type GradType;
    tmp<VolField<GradType>> tvf
    (
        fvc::reconstruct(tssf())
    );
    tssf.clear();
    return tvf;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fvc
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //