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
    Copyright (C) 2020-2022 OpenCFD Ltd.
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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
    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 Foam_surfaceInterpolation_H
#define Foam_surfaceInterpolation_H
 
#include "tmp.H"
#include "scalar.H"
#include "volFieldsFwd.H"
#include "surfaceFieldsFwd.H"
#include "className.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class fvMesh;
class fvGeometryScheme;
class mapPolyMesh;
 
/*---------------------------------------------------------------------------*\
                    Class surfaceInterpolation Declaration
\*---------------------------------------------------------------------------*/
 
class surfaceInterpolation
{
    // Private Data
 
        // Reference to fvMesh
        const fvMesh& mesh_;
 
 
        // Demand-driven data
 
            //- Geometry calculation
            mutable tmp<fvGeometryScheme> geometryPtr_;
 
            //- Linear difference weighting factors
            mutable autoPtr<surfaceScalarField> weights_;
 
            //- Cell-centre difference coefficients
            mutable autoPtr<surfaceScalarField> deltaCoeffs_;
 
            //- Non-orthogonal cell-centre difference coefficients
            mutable autoPtr<surfaceScalarField> nonOrthDeltaCoeffs_;
 
            //- Non-orthogonality correction vectors
            mutable autoPtr<surfaceVectorField> nonOrthCorrectionVectors_;
 
 
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
    virtual ~surfaceInterpolation();
 
 
    // Member Functions
 
        //- Return reference to geometry calculation scheme
        virtual const fvGeometryScheme& geometry() const;
 
        //- Set geometry calculation scheme
        void geometry(tmp<fvGeometryScheme>&);
 
        //- Return reference to linear difference weighting factors
        virtual const surfaceScalarField& weights() const;
 
        //- Return reference to cell-centre difference coefficients
        virtual const surfaceScalarField& deltaCoeffs() const;
 
        //- Return reference to non-orthogonal cell-centre difference
        //  coefficients
        virtual const surfaceScalarField& nonOrthDeltaCoeffs() const;
 
        //- Return reference to non-orthogonality correction vectors
        virtual const surfaceVectorField& nonOrthCorrectionVectors() const;
 
        //- Do what is necessary if the mesh has moved
        virtual bool movePoints();
 
        //- Update all geometric data
        virtual void updateGeom();
 
 
    // Storage Management
 
        //- Has weights
        bool hasWeights() const noexcept { return bool(weights_); }
 
        //- Update mesh for topology changes
        virtual void updateMesh(const mapPolyMesh& mpm);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //