rigidBodyPoints.C

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    \\  /    A nd           | Copyright (C) 2022 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/>.
 
\*---------------------------------------------------------------------------*/
 
#include "rigidBodyPoints.H"
#include "fvMeshMoversMotionSolver.H"
#include "motionSolver.H"
#include "unitConversion.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(rigidBodyPoints, 0);
 
    addToRunTimeSelectionTable
    (
        functionObject,
        rigidBodyPoints,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
const Foam::RBD::rigidBodyMotion&
Foam::functionObjects::rigidBodyPoints::motion() const
{
    const fvMeshMovers::motionSolver& mover =
        refCast<const fvMeshMovers::motionSolver>(mesh_.mover());
 
    return (refCast<const RBD::rigidBodyMotion>(mover.motion()));
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::rigidBodyPoints::rigidBodyPoints
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fvMeshFunctionObject(name, runTime, dict),
    logFiles(obr_, name)
{
    read(dict);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::functionObjects::rigidBodyPoints::~rigidBodyPoints()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::functionObjects::rigidBodyPoints::read(const dictionary& dict)
{
    fvMeshFunctionObject::read(dict);
 
    angleUnits_ = dict.lookupOrDefault<word>("angleUnits", "radians");
 
    dict.lookup("body") >> body_;
 
    const HashTable<point> pointsTable(dict.lookup("points"));
    names_.setSize(pointsTable.size());
    points_.setSize(pointsTable.size());
 
    label i = 0;
    forAllConstIter(HashTable<point>, pointsTable, iter)
    {
        names_[i] = iter.key();
        points_[i++] = iter();
    }
 
    resetNames(names_);
 
    return true;
}
 
 
void Foam::functionObjects::rigidBodyPoints::writeFileHeader(const label i)
{
    writeHeader(this->files()[i], "Body point motion");
    writeHeaderValue(this->files()[i], "Body", body_);
    writeHeaderValue(this->files()[i], "Point", points_[i]);
    writeHeaderValue(this->files()[i], "Angle Units", angleUnits_);
    writeCommented(this->files()[i], "Time");
 
    this->files()[i]<< tab
        << "Position" << tab
        << "Linear velocity" << tab
        << "Angular velocity" << tab
        << "Linear acceleration" << tab
        << "Angular acceleration" << endl;
}
 
 
bool Foam::functionObjects::rigidBodyPoints::execute()
{
    return true;
}
 
 
bool Foam::functionObjects::rigidBodyPoints::write()
{
    logFiles::write();
 
    if (Pstream::master())
    {
        const RBD::rigidBodyMotion& motion = this->motion();
 
        const label bodyID = motion.bodyID(body_);
 
        forAll(points_, i)
        {
            const vector p(motion.p(bodyID, points_[i]));
            const spatialVector v(motion.v(bodyID, points_[i]));
            const spatialVector a(motion.a(bodyID, points_[i]));
 
            vector angularVelocity(v.w());
            vector angularAcceleration(a.w());
 
            if (angleUnits_ == "degrees")
            {
                angularVelocity.x() = radToDeg(angularVelocity.x());
                angularVelocity.y() = radToDeg(angularVelocity.y());
                angularVelocity.z() = radToDeg(angularVelocity.z());
 
                angularAcceleration.x() = radToDeg(angularAcceleration.x());
                angularAcceleration.y() = radToDeg(angularAcceleration.y());
                angularAcceleration.z() = radToDeg(angularAcceleration.z());
            }
 
            writeTime(files()[i]);
            files()[i]
                << tab
                << p  << tab
                << v.l() << tab
                << angularVelocity << tab
                << a.l() << tab
                << angularAcceleration << endl;
        }
    }
 
    return true;
}
 
 
// ************************************************************************* //