Pa.C

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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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    for more details.
 
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#include "Pa.H"
#include "rigidBodyModelState.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace RBD
{
namespace joints
{
    defineTypeNameAndDebug(Pa, 0);
 
    addToRunTimeSelectionTable
    (
        joint,
        Pa,
        dictionary
    );
}
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::RBD::joints::Pa::Pa(const rigidBodyModel& model, const vector& axis)
:
    joint(model, 1)
{
    S_[0] = spatialVector(Zero, axis/mag(axis));
}
 
 
Foam::RBD::joints::Pa::Pa(const rigidBodyModel& model, const dictionary& dict)
:
    joint(model, 1)
{
    vector axis(dict.lookup("axis"));
    S_[0] = spatialVector(Zero, axis/mag(axis));
}
 
 
Foam::autoPtr<Foam::RBD::joint> Foam::RBD::joints::Pa::clone() const
{
    return autoPtr<joint>(new Pa(*this));
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::RBD::joints::Pa::~Pa()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
void Foam::RBD::joints::Pa::jcalc
(
    joint::XSvc& J,
    const rigidBodyModelState& state
) const
{
    J.X = Xt(S_[0].l()*state.q()[qIndex_]);
    J.S1 = S_[0];
    J.v = S_[0]*state.qDot()[qIndex_];
    J.c = Zero;
}
 
 
void Foam::RBD::joints::Pa::write(Ostream& os) const
{
    joint::write(os);
    writeEntry(os, "axis", S_[0].l());
}
 
 
// ************************************************************************* //