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doubleSigmoid.H

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 2008-2010 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software: you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by
00013     the Free Software Foundation, either version 3 of the License, or
00014     (at your option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
00023 
00024 Class
00025     Foam::energyScalingFunctions::doubleSigmoid
00026 
00027 Description
00028 
00029 
00030 SourceFiles
00031     doubleSigmoid.C
00032 
00033 \*---------------------------------------------------------------------------*/
00034 
00035 #ifndef doubleSigmoid_H
00036 #define doubleSigmoid_H
00037 
00038 #include <potential/energyScalingFunction.H>
00039 
00040 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00041 
00042 namespace Foam
00043 {
00044 namespace energyScalingFunctions
00045 {
00046 
00047 /*---------------------------------------------------------------------------*\
00048                         Class doubleSigmoid Declaration
00049 \*---------------------------------------------------------------------------*/
00050 
00051 class doubleSigmoid
00052 :
00053     public energyScalingFunction
00054 {
00055     // Private data
00056 
00057         dictionary doubleSigmoidCoeffs_;
00058 
00059         scalar shift1_;
00060         scalar scale1_;
00061         scalar shift2_;
00062         scalar scale2_;
00063 
00064 
00065     // Private Member Functions
00066 
00067         scalar sigmoidScale
00068         (
00069             const scalar r,
00070             const scalar shift,
00071             const scalar scale
00072         ) const;
00073 
00074 
00075 public:
00076 
00077     //- Runtime type information
00078     TypeName("doubleSigmoid");
00079 
00080 
00081     // Constructors
00082 
00083         //- Construct from components
00084         doubleSigmoid
00085         (
00086             const word& name,
00087             const dictionary& energyScalingFunctionProperties,
00088             const pairPotential& pairPot
00089         );
00090 
00091 
00092     // Destructor
00093 
00094         ~doubleSigmoid()
00095         {}
00096 
00097     // Member Functions
00098 
00099         void scaleEnergy(scalar& e, const scalar r) const;
00100 
00101         //- Read dictionary
00102         bool read(const dictionary& energyScalingFunctionProperties);
00103 };
00104 
00105 
00106 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00107 
00108 } // End namespace energyScalingFunctions
00109 } // End namespace Foam
00110 
00111 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00112 
00113 #endif
00114 
00115 // ************************ vim: set sw=4 sts=4 et: ************************ //
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