File size: 3,618 Bytes
5a600cf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | /*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2016-2024 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::RBD::restraints::linearAxialAngularSpring
Description
Linear axial angular spring restraint.
SourceFiles
linearAxialAngularSpring.C
\*---------------------------------------------------------------------------*/
#ifndef linearAxialAngularSpring_H
#define linearAxialAngularSpring_H
#include "rigidBodyRestraint.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace RBD
{
namespace restraints
{
/*---------------------------------------------------------------------------*\
Class linearAxialAngularSpring Declaration
\*---------------------------------------------------------------------------*/
class linearAxialAngularSpring
:
public restraint
{
// Private Data
//- Reference orientation where there is no moment
tensor refQ_;
//- Global unit axis around which the motion is sprung
vector axis_;
//- Spring stiffness coefficient [Nm/rad]
scalar stiffness_;
//- Damping coefficient [Nms/rad]
scalar damping_;
public:
//- Runtime type information
TypeName("linearAxialAngularSpring");
// Constructors
//- Construct from components
linearAxialAngularSpring
(
const word& name,
const dictionary& dict,
const rigidBodyModel& model
);
//- Construct and return a clone
virtual autoPtr<restraint> clone() const
{
return autoPtr<restraint>
(
new linearAxialAngularSpring(*this)
);
}
//- Destructor
virtual ~linearAxialAngularSpring();
// Member Functions
//- Accumulate the retraint internal joint forces into the tau field and
// external forces into the fx field
virtual void restrain
(
scalarField& tau,
Field<spatialVector>& fx,
const rigidBodyModelState& state
) const;
//- Update properties from given dictionary
virtual bool read(const dictionary& dict);
//- Write
virtual void write(Ostream&) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace RBD
} // End namespace RBD
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
|