rotatingMotion.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2015 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 "rotatingMotion.H"
#include "addToRunTimeSelectionTable.H"
#include "mathematicalConstants.H"
 
using namespace Foam::constant::mathematical;
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace solidBodyMotionFunctions
{
    defineTypeNameAndDebug(rotatingMotion, 0);
    addToRunTimeSelectionTable
    (
        solidBodyMotionFunction,
        rotatingMotion,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::solidBodyMotionFunctions::rotatingMotion::rotatingMotion
(
    const dictionary& SBMFCoeffs,
    const Time& runTime
)
:
    solidBodyMotionFunction(SBMFCoeffs, runTime),
    origin_(SBMFCoeffs_.lookup("origin")),
    axis_(SBMFCoeffs_.lookup("axis")),
    omega_(DataEntry<scalar>::New("omega", SBMFCoeffs_))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::solidBodyMotionFunctions::rotatingMotion::~rotatingMotion()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::septernion
Foam::solidBodyMotionFunctions::rotatingMotion::transformation() const
{
    scalar t = time_.value();
 
    // Rotation around axis
    scalar angle = omega_->integrate(0, t);
 
    quaternion R(axis_, angle);
    septernion TR(septernion(origin_)*R*septernion(-origin_));
 
    Info<< "solidBodyMotionFunctions::rotatingMotion::transformation(): "
        << "Time = " << t << " transformation: " << TR << endl;
 
    return TR;
}
 
 
bool Foam::solidBodyMotionFunctions::rotatingMotion::read
(
    const dictionary& SBMFCoeffs
)
{
    solidBodyMotionFunction::read(SBMFCoeffs);
 
    omega_.reset
    (
        DataEntry<scalar>::New("omega", SBMFCoeffs_).ptr()
    );
 
    return true;
}
 
// ************************************************************************* //