doubleSigmoid.H

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    Copyright (C) 2011 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.
 
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Class
    Foam::energyScalingFunctions::doubleSigmoid
 
Description
 
 
SourceFiles
    doubleSigmoid.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef doubleSigmoid_H
#define doubleSigmoid_H
 
#include "energyScalingFunction.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace energyScalingFunctions
{
 
/*---------------------------------------------------------------------------*\
                        Class doubleSigmoid Declaration
\*---------------------------------------------------------------------------*/
 
class doubleSigmoid
:
    public energyScalingFunction
{
    // Private data
 
        dictionary doubleSigmoidCoeffs_;
 
        scalar shift1_;
        scalar scale1_;
        scalar shift2_;
        scalar scale2_;
 
 
    // Private Member Functions
 
        scalar sigmoidScale
        (
            const scalar r,
            const scalar shift,
            const scalar scale
        ) const;
 
 
public:
 
    //- Runtime type information
    TypeName("doubleSigmoid");
 
 
    // Constructors
 
        //- Construct from components
        doubleSigmoid
        (
            const word& name,
            const dictionary& energyScalingFunctionProperties,
            const pairPotential& pairPot
        );
 
 
    //- Destructor
    ~doubleSigmoid()
    {}
 
    // Member Functions
 
        void scaleEnergy(scalar& e, const scalar r) const;
 
        //- Read dictionary
        bool read(const dictionary& energyScalingFunctionProperties);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace energyScalingFunctions
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //