cutFacePLIC.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2016-2017 DHI
    Copyright (C) 2018-2019 Johan Roenby
    Copyright (C) 2019-2020 DLR
-------------------------------------------------------------------------------
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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    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
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Class
    Foam::cutFacePLIC
 
Description
    Class for cutting a face, faceI, of an fvMesh, mesh_, at its intersection
    with an plane defined by normal and a base point
 
    Reference:
    \verbatim
 
        Henning Scheufler, Johan Roenby,
        Accurate and efficient surface reconstruction from volume
        fraction data on general meshes,
        Journal of Computational Physics, 2019,
        doi 10.1016/j.jcp.2019.01.009
 
    \endverbatim
 
 
    Original code supplied by Henning Scheufler, DLR (2019)
 
SourceFiles
    cutFacePLIC.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef cutFacePLIC_H
#define cutFacePLIC_H
 
#include "fvMesh.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "cutFace.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                        Class cutFacePLIC Declaration
\*---------------------------------------------------------------------------*/
 
class cutFacePLIC
:
    public cutFace
{
    // Private Data
 
        //- Mesh whose cells and faces to cut at their intersection
        //- with an isoface
        const fvMesh& mesh_;
 
        //- Storage for centre of subface
        point subFaceCentre_;
 
        //- Storage for area vector of subface
        vector subFaceArea_;
 
        //- Storage for subFacePoints
        DynamicList<point> subFacePoints_;
 
        //- Storage for subFacePoints
        DynamicList<point> surfacePoints_;
 
        //- Storage for pointStatus_ cuts the cell at 0
        DynamicList<scalar> pointStatus_;
 
        //- Storage of the edge weight
        DynamicList<scalar> weight_;
 
        //- A face status label taking one of the values:
        //
        //   -1: face is fully below the PLICsurface
        //    0: face is cut (has values larger and smaller than cutValue_)
        //   +1: face is fully above the PLICsurface
        label faceStatus_;
 
 
public:
 
    // Constructors
 
        //- Construct from fvMesh and a scalarField
        explicit cutFacePLIC(const fvMesh& mesh);
 
 
    // Member Functions
 
        //- Calculate cut points along edges of faceI
        label calcSubFace
        (
            const label faceI,
            const vector& normal,
            const vector& base
        );
 
        //- Returns centre of cutted face
        const point& subFaceCentre() const noexcept
        {
            return subFaceCentre_;
        }
 
        //- Returns area vector of cutted face
        const vector& subFaceArea() const noexcept
        {
            return subFaceArea_;
        }
 
        //- Returns the cut edge of the cutted face
        const DynamicList<point>& subFacePoints() const noexcept
        {
            return subFacePoints_;
        }
 
        //- Returns point of the face in sorted of cutted face
        const DynamicList<point>& surfacePoints() const noexcept
        {
            return surfacePoints_;
        }
 
        //- Resets internal variables
        void clearStorage();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //