calcFvcGradTemplates.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2012-2015 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 "fvMesh.H"
#include "fvcGrad.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class Type>
Foam::GeometricField
<
    typename Foam::outerProduct<Foam::vector, Type>::type,
    Foam::fvPatchField,
    Foam::volMesh
>&
Foam::calcFvcGrad::gradField(const word& gradName, const dimensionSet& dims)
{
    Info<< "gradField" << endl;
 
    typedef typename outerProduct<vector, Type>::type gradType;
    typedef GeometricField<gradType, fvPatchField, volMesh> vfGradType;
 
    const fvMesh& mesh = refCast<const fvMesh>(obr_);
 
    if (!mesh.foundObject<vfGradType>(gradName))
    {
        vfGradType* gradFieldPtr
        (
            new vfGradType
            (
                IOobject
                (
                    gradName,
                    mesh.time().timeName(),
                    mesh,
                    IOobject::NO_READ,
                    IOobject::NO_WRITE
                ),
                mesh,
                dimensioned<gradType>
                (
                    "zero",
                    dims/dimLength,
                    pTraits<gradType>::zero
                )
            )
        );
 
        mesh.objectRegistry::store(gradFieldPtr);
    }
 
    const vfGradType& field = mesh.lookupObject<vfGradType>(gradName);
 
    return const_cast<vfGradType&>(field);
}
 
 
template<class Type>
void Foam::calcFvcGrad::calcGrad
(
    const word& fieldName,
    const word& resultName,
    bool& processed
)
{
    typedef GeometricField<Type, fvPatchField, volMesh> vfType;
    typedef GeometricField<Type, fvsPatchField, surfaceMesh> sfType;
 
    typedef typename outerProduct<vector, Type>::type gradType;
    typedef GeometricField<gradType, fvPatchField, volMesh> vfGradType;
 
    const fvMesh& mesh = refCast<const fvMesh>(obr_);
 
 
    if (mesh.foundObject<vfType>(fieldName))
    {
        const vfType& vf = mesh.lookupObject<vfType>(fieldName);
 
        vfGradType& field = gradField<Type>(resultName, vf.dimensions());
 
        // De-reference the tmp to avoid a clash with the cached grad field
        field = fvc::grad(vf)();
 
        processed = true;
    }
    else if (mesh.foundObject<sfType>(fieldName))
    {
        const sfType& sf = mesh.lookupObject<sfType>(fieldName);
 
        vfGradType& field = gradField<Type>(resultName, sf.dimensions());
 
        // De-reference the tmp to avoid a clash with the cached grad field
        field = fvc::grad(sf)();
 
        processed = true;
    }
}
 
 
// ************************************************************************* //