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[OpenFOAM-2.0.x.git] / src / lagrangian / molecularDynamics / potential / pairPotential / derived / lennardJones / lennardJones.H
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1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
4    \\    /   O peration     |
5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
6      \\/     M anipulation  |
7 -------------------------------------------------------------------------------
8 License
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
19     for more details.
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 Class
25     Foam::pairPotentials::lennardJones
27 Description
30 SourceFiles
31     lennardJones.C
33 \*---------------------------------------------------------------------------*/
35 #ifndef lennardJones_H
36 #define lennardJones_H
38 #include "pairPotential.H"
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
42 namespace Foam
44 namespace pairPotentials
47 /*---------------------------------------------------------------------------*\
48                          Class lennardJones Declaration
49 \*---------------------------------------------------------------------------*/
51 class lennardJones
53     public pairPotential
55     // Private data
57         dictionary lennardJonesCoeffs_;
59         scalar sigma_;
60         scalar epsilon_;
63 public:
65     //- Runtime type information
66     TypeName("lennardJones");
69     // Constructors
71         //- Construct from components
72         lennardJones
73         (
74             const word& name,
75             const dictionary& pairPotentialProperties
76         );
79     //- Destructor
80     ~lennardJones()
81     {}
84     // Member Functions
86         scalar unscaledEnergy(const scalar r) const;
88         //- Read dictionary
89         bool read(const dictionary& pairPotentialProperties);
93 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
95 } // End namespace pairPotentials
96 } // End namespace Foam
98 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
100 #endif
102 // ************************************************************************* //