1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2010-2011 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.
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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/>.
25 Foam::sixDoFRigidBodyMotionRestraints::sphericalAngularSpring
28 sixDoFRigidBodyMotionRestraints model. Spherical angular spring.
31 sphericalAngularSpring.C
33 \*---------------------------------------------------------------------------*/
35 #ifndef sphericalAngularSpring_H
36 #define sphericalAngularSpring_H
38 #include "sixDoFRigidBodyMotionRestraint.H"
42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
47 namespace sixDoFRigidBodyMotionRestraints
50 /*---------------------------------------------------------------------------*\
51 Class sphericalAngularSpring Declaration
52 \*---------------------------------------------------------------------------*/
54 class sphericalAngularSpring
56 public sixDoFRigidBodyMotionRestraint
60 //- Reference orientation where there is no moment
63 //- Spring stiffness coefficient (Nm/rad)
66 //- Damping coefficient (Nms/rad)
72 //- Runtime type information
73 TypeName("sphericalAngularSpring");
78 //- Construct from components
79 sphericalAngularSpring
81 const dictionary& sDoFRBMRDict
84 //- Construct and return a clone
85 virtual autoPtr<sixDoFRigidBodyMotionRestraint> clone() const
87 return autoPtr<sixDoFRigidBodyMotionRestraint>
89 new sphericalAngularSpring(*this)
95 virtual ~sphericalAngularSpring();
100 //- Calculate the restraint position, force and moment.
101 // Global reference frame vectors.
102 virtual void restrain
104 const sixDoFRigidBodyMotion& motion,
105 vector& restraintPosition,
106 vector& restraintForce,
107 vector& restraintMoment
110 //- Update properties from given dictionary
111 virtual bool read(const dictionary& sDoFRBMRCoeff);
114 virtual void write(Ostream&) const;
118 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
120 } // End namespace solidBodyMotionFunctions
121 } // End namespace Foam
123 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
127 // ************************************************************************* //