surfaceInterpolation.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2011 OpenFOAM Foundation
-------------------------------------------------------------------------------
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::surfaceInterpolation
 
Description
    Cell to surface interpolation scheme. Included in fvMesh.
 
SourceFiles
    surfaceInterpolation.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef surfaceInterpolation_H
#define surfaceInterpolation_H
 
#include "tmp.H"
#include "scalar.H"
#include "volFieldsFwd.H"
#include "surfaceFieldsFwd.H"
#include "className.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                     Class surfaceInterpolation Declaration
\*---------------------------------------------------------------------------*/
 
class surfaceInterpolation
{
    // Private data
 
        // Reference to fvMesh
        const fvMesh& mesh_;
 
        // Demand-driven data
 
            //- Linear difference weighting factors
            mutable surfaceScalarField* weights_;
 
            //- Cell-centre difference coefficients
            mutable surfaceScalarField* deltaCoeffs_;
 
            //- Non-orthogonal cell-centre difference coefficients
            mutable surfaceScalarField* nonOrthDeltaCoeffs_;
 
            //- Non-orthogonality correction vectors
            mutable surfaceVectorField* nonOrthCorrectionVectors_;
 
 
    // Private Member Functions
 
        //- Construct central-differencing weighting factors
        void makeWeights() const;
 
        //- Construct face-gradient difference factors
        void makeDeltaCoeffs() const;
 
        //- Construct face-gradient difference factors
        void makeNonOrthDeltaCoeffs() const;
 
        //- Construct non-orthogonality correction vectors
        void makeNonOrthCorrectionVectors() const;
 
 
protected:
 
    // Protected Member Functions
 
        // Storage management
 
            //- Clear all geometry and addressing
            void clearOut();
 
 
public:
 
    // Declare name of the class and its debug switch
    ClassName("surfaceInterpolation");
 
 
    // Constructors
 
        //- Construct given an fvMesh
        explicit surfaceInterpolation(const fvMesh&);
 
 
    //- Destructor
    ~surfaceInterpolation();
 
 
    // Member functions
 
        //- Return reference to linear difference weighting factors
        const surfaceScalarField& weights() const;
 
        //- Return reference to cell-centre difference coefficients
        const surfaceScalarField& deltaCoeffs() const;
 
        //- Return reference to non-orthogonal cell-centre difference
        //  coefficients
        const surfaceScalarField& nonOrthDeltaCoeffs() const;
 
        //- Return reference to non-orthogonality correction vectors
        const surfaceVectorField& nonOrthCorrectionVectors() const;
 
        //- Do what is necessary if the mesh has moved
        bool movePoints();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //