upwindEdgeInterpolation.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2016-2017 Wikki 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::upwindEdgeInterpolation
 
Description
    Upwind differencing scheme class.
 
SourceFiles
    upwindEdgeInterpolation.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef upwindEdgeInterpolation_H
#define upwindEdgeInterpolation_H
 
#include "edgeInterpolationScheme.H"
#include "areaFields.H"
#include "edgeFields.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class upwind Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class upwindEdgeInterpolation
:
    virtual public edgeInterpolationScheme<Type>
{
    // Private data
 
        const edgeScalarField& faceFlux_;
 
 
    // Private Member Functions
 
        //- No copy assignment
        void operator=(const upwindEdgeInterpolation&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("upwind");
 
 
    // Constructors
 
        //- Construct from faceFlux
        upwindEdgeInterpolation
        (
            const faMesh& mesh,
            const edgeScalarField& faceFlux
        )
        :
            edgeInterpolationScheme<Type>(mesh),
            faceFlux_(faceFlux)
        {}
 
        //- Construct from Istream.
        //  The name of the flux field is read from the Istream and looked-up
        //  from the database
        upwindEdgeInterpolation
        (
            const faMesh& mesh,
            Istream& is
        )
        :
            edgeInterpolationScheme<Type>(mesh),
            faceFlux_
            (
                mesh().objectRegistry::lookupObject<edgeScalarField>
                (
                    word(is)
                )
            )
        {}
 
        //- Construct from faceFlux and Istream
        upwindEdgeInterpolation
        (
            const faMesh& mesh,
            const edgeScalarField& faceFlux,
            Istream&
        )
        :
            edgeInterpolationScheme<Type>(mesh),
            faceFlux_(faceFlux)
        {}
 
 
    // Member Functions
 
        //- Return the interpolation weighting factors
        virtual tmp<edgeScalarField> weights
        (
            const GeometricField<Type, faPatchField, areaMesh>&
        ) const
        {
            return pos(faceFlux_);
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //