1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
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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
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21 You should have received a copy of the GNU General Public License
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25 Foam::tetherPotentials::harmonicSpring
33 \*---------------------------------------------------------------------------*/
35 #ifndef harmonicSpring_H
36 #define harmonicSpring_H
38 #include "tetherPotential.H"
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
44 namespace tetherPotentials
47 /*---------------------------------------------------------------------------*\
48 Class harmonicSpring Declaration
49 \*---------------------------------------------------------------------------*/
53 public tetherPotential
57 dictionary harmonicSpringCoeffs_;
59 scalar springConstant_;
64 //- Runtime type information
65 TypeName("harmonicSpring");
70 //- Construct from components
74 const dictionary& tetherPotentialProperties
85 scalar energy(const vector r) const;
87 vector force(const vector r) const;
90 bool read(const dictionary& tetherPotentialProperties);
94 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
96 } // End namespace tetherPotentials
97 } // End namespace Foam
99 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
103 // ************************************************************************* //