regularisationRadiusIsotropic.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2021 PCOpt/NTUA
    Copyright (C) 2021 FOSS GP
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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
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 
Class
    Foam::isotropic
 
Description
    An isotropic regularisationRadius (same in all spatial directions)
 
 
SourceFiles
    isotropic.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef isotropic_H
#define isotropic_H
 
#include "regularisationRadius.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                          Class isotropic Declaration
\*---------------------------------------------------------------------------*/
 
class isotropic
:
    public regularisationRadius
{
 
private:
 
    // Private Member Functions
 
        //- No copy construct
        isotropic(const isotropic&) = delete;
 
        //- No copy assignment
        void operator=(const isotropic&) = delete;
 
 
protected:
 
    // Protected data
 
        //- Multiplier of the wall thickness, used to obtain the radius for
        //- the second regularisation in bi-fluid topO
        scalar wallThicknessMult_;
 
        //- Smoothing radius of the first regulatisation
        dimensionedScalar radius_;
 
 
    // Protected Member Functions
 
        //- Compute smoothing radius, if not directly given
        scalar computeRadius(const dictionary& dict);
 
 
public:
 
    //- Runtime type information
    TypeName("isotropic");
 
 
    // Constructors
 
        //- Construct from components
        isotropic
        (
            const fvMesh& mesh,
            const dictionary& dict,
            bool adjustWallThickness
        );
 
 
    //- Destructor
    virtual ~isotropic() = default;
 
 
    // Member Functions
 
        //- Add a Laplacian term with an isotropic diffusivity
        virtual void addRegularisationTerm
        (
            fvScalarMatrix& matrix,
            bool isTopoField
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //