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 \*---------------------------------------------------------------------------*/ 00025 00026 #include "shiftedForce.H" 00027 #include <OpenFOAM/addToRunTimeSelectionTable.H> 00028 00029 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00030 00031 namespace Foam 00032 { 00033 namespace energyScalingFunctions 00034 { 00035 00036 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * // 00037 00038 defineTypeNameAndDebug(shiftedForce, 0); 00039 00040 addToRunTimeSelectionTable 00041 ( 00042 energyScalingFunction, 00043 shiftedForce, 00044 dictionary 00045 ); 00046 00047 00048 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // 00049 00050 shiftedForce::shiftedForce 00051 ( 00052 const word& name, 00053 const dictionary& energyScalingFunctionProperties, 00054 const pairPotential& pairPot 00055 ) 00056 : 00057 energyScalingFunction(name, energyScalingFunctionProperties, pairPot), 00058 rCut_(pairPot.rCut()), 00059 e_at_rCut_(pairPot.unscaledEnergy(rCut_)), 00060 de_dr_at_rCut_(pairPot.energyDerivative(rCut_, false)) 00061 {} 00062 00063 00064 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * // 00065 00066 void shiftedForce::scaleEnergy(scalar& e, const scalar r) const 00067 { 00068 e -= ( e_at_rCut_ + de_dr_at_rCut_ * (r - rCut_) ); 00069 } 00070 00071 00072 bool shiftedForce::read(const dictionary& energyScalingFunctionProperties) 00073 { 00074 energyScalingFunction::read(energyScalingFunctionProperties); 00075 00076 return true; 00077 } 00078 00079 00080 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00081 00082 } // End namespace energyScalingFunctions 00083 } // End namespace Foam 00084 00085 // ************************ vim: set sw=4 sts=4 et: ************************ //
