1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2008-2010 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
14 (at your option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "maitlandSmith.H"
27 #include "addToRunTimeSelectionTable.H"
29 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
33 namespace pairPotentials
36 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
38 defineTypeNameAndDebug(maitlandSmith, 0);
40 addToRunTimeSelectionTable
48 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
50 maitlandSmith::maitlandSmith
53 const dictionary& maitlandSmith
56 pairPotential(name, maitlandSmith),
57 maitlandSmithCoeffs_(maitlandSmith.subDict(typeName + "Coeffs")),
58 m_(readScalar(maitlandSmithCoeffs_.lookup("m"))),
59 gamma_(readScalar(maitlandSmithCoeffs_.lookup("gamma"))),
60 rm_(readScalar(maitlandSmithCoeffs_.lookup("rm"))),
61 epsilon_(readScalar(maitlandSmithCoeffs_.lookup("epsilon")))
67 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
69 scalar maitlandSmith::unscaledEnergy(const scalar r) const
71 scalar nr = (m_ + gamma_*(r/rm_ - 1.0));
75 (6.0 / (nr - 6.0))*Foam::pow(r/rm_, -nr)
76 - (nr / (nr - 6.0))*Foam::pow(r/rm_, -6)
81 bool maitlandSmith::read(const dictionary& maitlandSmith)
83 pairPotential::read(maitlandSmith);
85 maitlandSmithCoeffs_ = maitlandSmith.subDict(typeName + "Coeffs");
87 maitlandSmithCoeffs_.lookup("m") >> m_;
88 maitlandSmithCoeffs_.lookup("gamma") >> gamma_;
89 maitlandSmithCoeffs_.lookup("rm") >> rm_;
90 maitlandSmithCoeffs_.lookup("epsilon") >> epsilon_;
96 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
98 } // End namespace pairPotentials
99 } // End namespace Foam
101 // ************************************************************************* //