oscillatingRotatingMotion.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  |
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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
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#include "oscillatingRotatingMotion.H"
#include "addToRunTimeSelectionTable.H"
#include "mathematicalConstants.H"

using namespace Foam::constant::mathematical;

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
namespace solidBodyMotionFunctions
{
    defineTypeNameAndDebug(oscillatingRotatingMotion, 0);
    addToRunTimeSelectionTable
    (
        solidBodyMotionFunction,
        oscillatingRotatingMotion,
        dictionary
    );
}
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::solidBodyMotionFunctions::oscillatingRotatingMotion::
oscillatingRotatingMotion
(
    const dictionary& SBMFCoeffs,
    const Time& runTime
)
:
    solidBodyMotionFunction(SBMFCoeffs, runTime)
{
    read(SBMFCoeffs);
}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::solidBodyMotionFunctions::oscillatingRotatingMotion::
~oscillatingRotatingMotion()
{}


// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //

Foam::septernion
Foam::solidBodyMotionFunctions::oscillatingRotatingMotion::
transformation() const
{
    scalar t = time_.value();

    vector eulerAngles = amplitude_*sin(omega_*t);

    // Convert the rotational motion from deg to rad
    eulerAngles *= pi/180.0;

    quaternion R(eulerAngles.x(), eulerAngles.y(), eulerAngles.z());
    septernion TR(septernion(origin_)*R*septernion(-origin_));

    Info<< "solidBodyMotionFunctions::oscillatingRotatingMotion::"
        << "transformation(): "
        << "Time = " << t << " transformation: " << TR << endl;

    return TR;
}


bool Foam::solidBodyMotionFunctions::oscillatingRotatingMotion::read
(
    const dictionary& SBMFCoeffs
)
{
    solidBodyMotionFunction::read(SBMFCoeffs);

    SBMFCoeffs_.lookup("origin") >> origin_;
    SBMFCoeffs_.lookup("amplitude") >> amplitude_;
    SBMFCoeffs_.lookup("omega") >> omega_;

    return true;
}

// ************************************************************************* //