oscillatingLinearMotion.C

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    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    for more details.
 
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#include "oscillatingLinearMotion.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace solidBodyMotionFunctions
{
    defineTypeNameAndDebug(oscillatingLinearMotion, 0);
    addToRunTimeSelectionTable
    (
        solidBodyMotionFunction,
        oscillatingLinearMotion,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::solidBodyMotionFunctions::oscillatingLinearMotion::oscillatingLinearMotion
(
    const dictionary& SBMFCoeffs,
    const Time& runTime
)
:
    solidBodyMotionFunction(SBMFCoeffs, runTime)
{
    read(SBMFCoeffs);
}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::septernion
Foam::solidBodyMotionFunctions::oscillatingLinearMotion::transformation() const
{
    scalar t = time_.value();
 
    const vector displacement = amplitude_*sin(omega_*t);
 
    quaternion R(1);
    septernion TR(septernion(-displacement)*R);
 
    DebugInFunction << "Time = " << t << " transformation: " << TR << endl;
 
    return TR;
}
 
 
bool Foam::solidBodyMotionFunctions::oscillatingLinearMotion::read
(
    const dictionary& SBMFCoeffs
)
{
    solidBodyMotionFunction::read(SBMFCoeffs);
 
    SBMFCoeffs_.readEntry("amplitude", amplitude_);
    SBMFCoeffs_.readEntry("omega", omega_);
 
    return true;
}
 
 
// ************************************************************************* //