linearInterpolation.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Interpolation CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2020-2023 PCOpt/NTUA
    Copyright (C) 2020-2023 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::linearInterpolation
 
Description
    Implements a linear (with respect to beta) term for topology optimisation
 
InterpolationFiles
    linearInterpolation.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef linearInterpolation_H
#define linearInterpolation_H
 
#include "topOInterpolationFunction.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                         Class linearInterpolation Declaration
\*---------------------------------------------------------------------------*/
 
class linearInterpolation
:
    public topOInterpolationFunction
{
 
private:
 
    // Private Member Functions
 
        //- No copy construct
        linearInterpolation(const linearInterpolation&);
 
        //- No copy assignment
        void operator=(const linearInterpolation&);
 
 
public:
 
    //- Runtime type information
    TypeName("linear");
 
 
    // Constructors
 
        //- Construct from components
        linearInterpolation
        (
            const fvMesh& mesh,
            const dictionary& dict
        );
 
 
    //- Destructor
    virtual ~linearInterpolation() = default;
 
 
    // Member Functions
 
        //- Interpolate argument and write to result
        virtual void interpolate
        (
            const scalarField& arg,
            scalarField& res
        ) const;
 
        //- Return of function with respect to the argument field
        virtual tmp<scalarField> derivative(const scalarField& arg) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //