rigidBodyState.C

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License
    This file is part of OpenFOAM.
 
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#include "rigidBodyState.H"
#include "fvMeshMoversMotionSolver.H"
#include "motionSolver.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(rigidBodyState, 0);
 
    addToRunTimeSelectionTable
    (
        functionObject,
        rigidBodyState,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
const Foam::RBD::rigidBodyMotion&
Foam::functionObjects::rigidBodyState::motion() const
{
    const fvMeshMovers::motionSolver& mover =
        refCast<const fvMeshMovers::motionSolver>(mesh_.mover());
 
    return (refCast<const RBD::rigidBodyMotion>(mover.motion()));
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::rigidBodyState::rigidBodyState
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fvMeshFunctionObject(name, runTime, dict),
    logFiles(obr_, name),
    angleUnits_("[rad]"),
    angularVelocityUnits_("[rad/s]"),
    names_(motion().movingBodyNames())
{
    read(dict);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::functionObjects::rigidBodyState::~rigidBodyState()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::functionObjects::rigidBodyState::read(const dictionary& dict)
{
    fvMeshFunctionObject::read(dict);
 
    units();
 
    angleUnits_.readIfPresent("angleUnits", dict);
    angularVelocityUnits_.readIfPresent("angularVelocityUnits", dict);
 
    resetNames(names_);
 
    return true;
}
 
 
void Foam::functionObjects::rigidBodyState::writeFileHeader(const label i)
{
    OFstream& file = this->files()[i];
 
    writeHeader(file, "Motion State");
    writeHeaderValue(file, "Angle Units", angleUnits_);
    writeHeaderValue(file, "Angular Velocity Units", angularVelocityUnits_);
    writeCommented(file, "Time");
 
    file<< tab
        << "Centre of rotation" << tab
        << "Orientation" << tab
        << "Linear velocity" << tab
        << "Angular velocity" << endl;
}
 
 
bool Foam::functionObjects::rigidBodyState::execute()
{
    return true;
}
 
 
bool Foam::functionObjects::rigidBodyState::write()
{
    logFiles::write();
 
    if (Pstream::master())
    {
        const RBD::rigidBodyMotion& motion = this->motion();
 
        forAll(names_, i)
        {
            const label bodyID = motion.bodyIndex(names_[i]);
 
            const spatialTransform CofR(motion.X0(bodyID));
            const spatialVector vCofR(motion.v(bodyID, Zero));
 
            const vector theta =
                quaternion(CofR.E()).eulerAngles(quaternion::XYZ);
            const vector omega(vCofR.w());
 
            writeTime(files()[i]);
            files()[i]
                << tab
                << CofR.r() << tab
                << angleUnits_.toUser(theta) << tab
                << vCofR.l() << tab
                << angularVelocityUnits_.toUser(omega) << endl;
        }
    }
 
    return true;
}
 
 
// ************************************************************************* //