oscillatingRotatingMotion.C

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License
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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 word& name,
    const dictionary& SBMFCoeffs,
    const Time& runTime
)
:
    solidBodyMotionFunction(name, 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(quaternion::XYZ, eulerAngles);
    septernion TR(septernion(-origin_)*R*septernion(origin_));
 
    DebugInFunction << "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;
}
 
 
// ************************************************************************* //