LeastSquaresVectors.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2013-2016 OpenFOAM Foundation
    Copyright (C) 2021 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.
 
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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::fv::LeastSquaresVectors
 
Description
    Least-squares gradient scheme vectors
 
See also
    Foam::fv::LeastSquaresGrad
 
SourceFiles
    LeastSquaresVectors.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef LeastSquaresVectors_H
#define LeastSquaresVectors_H
 
#include "extendedCentredCellToCellStencil.H"
#include "MeshObject.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace fv
{
 
/*---------------------------------------------------------------------------*\
                     Class LeastSquaresVectors Declaration
\*---------------------------------------------------------------------------*/
 
template<class Stencil>
class LeastSquaresVectors
:
    public MeshObject<fvMesh, MoveableMeshObject, LeastSquaresVectors<Stencil>>
{
    // Private Data
 
        //- Least-squares gradient vectors
        List<List<vector>> vectors_;
 
 
    // Private Member Functions
 
        //- Calculate Least-squares gradient vectors
        void calcLeastSquaresVectors();
 
 
public:
 
    // Declare name of the class and its debug switch
    TypeName("LeastSquaresVectors");
 
 
    // Constructors
 
        //- Construct given an fvMesh and the minimum determinant criterion
        LeastSquaresVectors
        (
            const fvMesh&
        );
 
 
    //- Destructor
    virtual ~LeastSquaresVectors();
 
 
    // Member functions
 
        //- Return const reference to the stencil
        const extendedCentredCellToCellStencil& stencil() const
        {
            return Stencil::New(this->mesh_);
        }
 
        //- Return const reference to the least square vectors
        const List<List<vector>>& vectors() const
        {
            return vectors_;
        }
 
        //- Update the least square vectors when the mesh moves
        virtual bool movePoints();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fv
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "LeastSquaresVectors.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //