rotatingMotion.C

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License
    This file is part of OpenFOAM.
 
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#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_(new Function1s::omega(runTime, SBMFCoeffs_))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::solidBodyMotionFunctions::rotatingMotion::~rotatingMotion()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::septernion
Foam::solidBodyMotionFunctions::rotatingMotion::transformation() const
{
    // Rotation around axis
    const scalar angle = omega_->integral(0, time_.value());
 
    const quaternion R(axis_, angle);
    const septernion TR(septernion(-origin_)*R*septernion(origin_));
 
    DebugInFunction
        << "Time = " << time_.value() << " transformation: " << TR << endl;
 
    return TR;
}
 
 
bool Foam::solidBodyMotionFunctions::rotatingMotion::read
(
    const dictionary& SBMFCoeffs
)
{
    solidBodyMotionFunction::read(SBMFCoeffs);
 
    omega_.reset(new Function1s::omega(time_, SBMFCoeffs));
 
    return true;
}
 
 
// ************************************************************************* //