orthogonalSnGrad.H

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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
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    You should have received a copy of the GNU General Public License
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Class
    Foam::fv::orthogonalSnGrad

Description
    Simple central-difference snGrad scheme using the cell-centre to cell-centre
    delta-coefficients.

SourceFiles
    orthogonalSnGrad.C

\*---------------------------------------------------------------------------*/

#ifndef orthogonalSnGrad_H
#define orthogonalSnGrad_H

#include "snGradScheme.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace fv
{

/*---------------------------------------------------------------------------*\
                 Class orthogonalSnGrad Declaration
\*---------------------------------------------------------------------------*/

template<class Type>
class orthogonalSnGrad
:
    public snGradScheme<Type>
{
    // Private Member Functions

        //- Disallow default bitwise assignment
        void operator=(const orthogonalSnGrad&);


public:

    //- Runtime type information
    TypeName("orthogonal");


    // Constructors

        //- Construct from mesh
        orthogonalSnGrad(const fvMesh& mesh)
        :
            snGradScheme<Type>(mesh)
        {}


        //- Construct from mesh and data stream
        orthogonalSnGrad(const fvMesh& mesh, Istream&)
        :
            snGradScheme<Type>(mesh)
        {}


    //- Destructor
    virtual ~orthogonalSnGrad();


    // Member Functions

        //- Return the interpolation weighting factors for the given field
        virtual tmp<surfaceScalarField> deltaCoeffs
        (
            const GeometricField<Type, fvPatchField, volMesh>&
        ) const
        {
            return this->mesh().deltaCoeffs();
        }

        //- Return true if this scheme uses an explicit correction
        virtual bool corrected() const
        {
            return false;
        }

        //- Return the explicit correction to the orthogonalSnGrad
        //  for the given field
        virtual tmp<GeometricField<Type, fvsPatchField, surfaceMesh>>
        correction(const GeometricField<Type, fvPatchField, volMesh>&) const;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace fv

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#ifdef NoRepository
    #include "orthogonalSnGrad.C"
#endif

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //