linearUpwindNormal.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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-------------------------------------------------------------------------------
    Copyright (C) 2007-2019 PCOpt/NTUA
    Copyright (C) 2013-2019 FOSS GP
    Copyright (C) 2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
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/>.
 
 
Class
    Foam::linearUpwindNormal
 
Description
    linearUpwindNormal interpolation scheme class derived from upwind and
    returns upwind weighting factors and also applies a gradient-based
    explicit correction. The magnitude of the correcting gradient is equal to 1
 
SourceFiles
    linearUpwindNormal.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef linearUpwindNormal_H
#define linearUpwindNormal_H
 
#include "upwind.H"
#include "gaussGrad.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                      Class linearUpwindNormal Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class linearUpwindNormal
:
    public upwind<Type>
{
    // Private Data
 
        word gradSchemeName_;
        tmp<fv::gradScheme<Type>> gradScheme_;
 
 
    // Private Member Functions
 
        //- No copy construct
        linearUpwindNormal(const linearUpwindNormal&);
 
        //- No copy assignment
        void operator=(const linearUpwindNormal&);
 
 
public:
 
    //- Runtime type information
    TypeName("linearUpwindNormal");
 
 
    // Constructors
 
        //- Construct from faceFlux
        linearUpwindNormal
        (
            const fvMesh& mesh,
            const surfaceScalarField& faceFlux
        )
        :
            upwind<Type>(mesh, faceFlux),
            gradSchemeName_("grad"),
            gradScheme_
            (
                new fv::gaussGrad<Type>(mesh)
            )
        {}
 
        //- Construct from Istream.
        //  The name of the flux field is read from the Istream and looked-up
        //  from the mesh objectRegistry
        linearUpwindNormal
        (
            const fvMesh& mesh,
            Istream& schemeData
        )
        :
            upwind<Type>(mesh, schemeData),
            gradSchemeName_(schemeData),
            gradScheme_
            (
                fv::gradScheme<Type>::New
                (
                    mesh,
                    mesh.gradScheme(gradSchemeName_)
                )
            )
        {}
 
        //- Construct from faceFlux and Istream
        linearUpwindNormal
        (
            const fvMesh& mesh,
            const surfaceScalarField& faceFlux,
            Istream& schemeData
        )
        :
            upwind<Type>(mesh, faceFlux, schemeData),
            gradSchemeName_(schemeData),
            gradScheme_
            (
                fv::gradScheme<Type>::New
                (
                    mesh,
                    mesh.gradScheme(gradSchemeName_)
                )
            )
        {}
 
 
    // Member Functions
 
        //- Return true if this scheme uses an explicit correction
        virtual bool corrected() const
        {
            return true;
        }
 
        //- Return the explicit correction to the face-interpolate
        virtual tmp<GeometricField<Type, fvsPatchField, surfaceMesh>>
        correction
        (
            const GeometricField<Type, fvPatchField, volMesh>&
        ) const;
 
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //