CentredFitSnGradData.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2013-2016 OpenFOAM Foundation
    Copyright (C) 2019 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
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    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
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Class
    Foam::CentredFitSnGradData
 
Description
    Data for centred fit snGrad schemes
 
SourceFiles
    CentredFitSnGradData.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef CentredFitSnGradData_H
#define CentredFitSnGradData_H
 
#include "FitData.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class extendedCentredCellToFaceStencil;
 
/*---------------------------------------------------------------------------*\
                    Class CentredFitSnGradData Declaration
\*---------------------------------------------------------------------------*/
 
template<class Polynomial>
class CentredFitSnGradData
:
    public FitData
    <
        CentredFitSnGradData<Polynomial>,
        extendedCentredCellToFaceStencil,
        Polynomial
    >
{
    // Private data
 
        //- For each cell in the mesh store the values which multiply the
        //  values of the stencil to obtain the gradient for each direction
        List<scalarList> coeffs_;
 
 
public:
 
    TypeName("CentredFitSnGradData");
 
 
    // Constructors
 
        //- Construct from components
        CentredFitSnGradData
        (
            const fvMesh& mesh,
            const extendedCentredCellToFaceStencil& stencil,
            const scalar linearLimitFactor,
            const scalar centralWeight
        );
 
 
    //- Destructor
    virtual ~CentredFitSnGradData() = default;
 
 
    // Member functions
 
        //- Return reference to fit coefficients
        const List<scalarList>& coeffs() const
        {
            return coeffs_;
        }
 
        //- Calculate the fit for the specified face and set the coefficients
        void calcFit
        (
            scalarList& coeffsi, // coefficients to be set
            const List<point>&,  // Stencil points
            const scalar wLin,   // Weight for linear approximation (weights
                                 // nearest neighbours)
            const scalar deltaCoeff, // uncorrected delta coefficient
            const label faci     // Current face index
        );
 
        void calcFit();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "CentredFitSnGradData.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //