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 "exponentialRepulsion.H" 00027 #include <OpenFOAM/addToRunTimeSelectionTable.H> 00028 00029 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00030 00031 namespace Foam 00032 { 00033 namespace pairPotentials 00034 { 00035 00036 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * // 00037 00038 defineTypeNameAndDebug(exponentialRepulsion, 0); 00039 00040 addToRunTimeSelectionTable 00041 ( 00042 pairPotential, 00043 exponentialRepulsion, 00044 dictionary 00045 ); 00046 00047 00048 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // 00049 00050 exponentialRepulsion::exponentialRepulsion 00051 ( 00052 const word& name, 00053 const dictionary& exponentialRepulsion 00054 ) 00055 : 00056 pairPotential(name, exponentialRepulsion), 00057 exponentialRepulsionCoeffs_ 00058 ( 00059 exponentialRepulsion.subDict(typeName + "Coeffs") 00060 ), 00061 rm_(readScalar(exponentialRepulsionCoeffs_.lookup("rm"))), 00062 epsilon_(readScalar(exponentialRepulsionCoeffs_.lookup("epsilon"))) 00063 { 00064 setLookupTables(); 00065 } 00066 00067 00068 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * // 00069 00070 scalar exponentialRepulsion::unscaledEnergy(const scalar r) const 00071 { 00072 return epsilon_ * exp(-r/rm_); 00073 } 00074 00075 00076 bool exponentialRepulsion::read(const dictionary& exponentialRepulsion) 00077 { 00078 pairPotential::read(exponentialRepulsion); 00079 00080 exponentialRepulsionCoeffs_ = 00081 exponentialRepulsion.subDict(typeName + "Coeffs"); 00082 00083 exponentialRepulsionCoeffs_.lookup("rm") >> rm_; 00084 exponentialRepulsionCoeffs_.lookup("epsilon") >> epsilon_; 00085 00086 return true; 00087 } 00088 00089 00090 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00091 00092 } // End namespace pairPotentials 00093 } // End namespace Foam 00094 00095 // ************************ vim: set sw=4 sts=4 et: ************************ //
