rotatingMotion.C

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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2020-2021 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
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#include "rotatingMotion.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * 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_.get<vector>("origin")),
    axis_(SBMFCoeffs_.get<vector>("axis")),
    omega_(Function1<scalar>::New("omega", SBMFCoeffs_, &runTime))
{}
 
 
// * * * * * * * * * * * * * * 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_));
 
    DebugInFunction << "Time = " << t << " transformation: " << TR << endl;
 
    return TR;
}
 
 
bool Foam::solidBodyMotionFunctions::rotatingMotion::read
(
    const dictionary& SBMFCoeffs
)
{
    solidBodyMotionFunction::read(SBMFCoeffs);
 
    omega_.reset
    (
        Function1<scalar>::New("omega", SBMFCoeffs_, &time_)
    );
 
    return true;
}
 
 
// ************************************************************************* //