1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright held by original author
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
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12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 \*---------------------------------------------------------------------------*/
27 #include "linearOscillation.H"
28 #include "addToRunTimeSelectionTable.H"
29 #include "mathematicalConstants.H"
31 using namespace Foam::mathematicalConstant;
33 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
37 namespace solidBodyMotionFunctions
39 defineTypeNameAndDebug(linearOscillation, 0);
40 addToRunTimeSelectionTable
42 solidBodyMotionFunction,
50 // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
53 Foam::solidBodyMotionFunctions::linearOscillation::calcPosition
58 return amplitude_*sin(2*pi*t/period_);
62 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
64 Foam::solidBodyMotionFunctions::linearOscillation::linearOscillation
66 const dictionary& SBMFCoeffs,
70 solidBodyMotionFunction(SBMFCoeffs, runTime),
71 amplitude_(SBMFCoeffs_.lookup("amplitude")),
72 period_(readScalar(SBMFCoeffs_.lookup("period")))
76 // * * * * * * * * * * * * * * * * Destructors * * * * * * * * * * * * * * * //
78 Foam::solidBodyMotionFunctions::linearOscillation::~linearOscillation()
82 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
85 Foam::solidBodyMotionFunctions::linearOscillation::transformation() const
87 scalar t = time_.value();
89 septernion TR(calcPosition(t), quaternion::I);
91 Info<< "solidBodyMotionFunctions::linearOscillation::transformation(): "
92 << "Time = " << t << " transformation: " << TR << endl;
99 Foam::solidBodyMotionFunctions::linearOscillation::velocity() const
101 scalar t = time_.value();
102 scalar dt = time_.deltaT().value();
106 (calcPosition(t + dt) - calcPosition(t))/dt,
114 bool Foam::solidBodyMotionFunctions::linearOscillation::read
116 const dictionary& SBMFCoeffs
119 solidBodyMotionFunction::read(SBMFCoeffs);
121 SBMFCoeffs_.lookup("amplitude") >> amplitude_;
122 SBMFCoeffs_.lookup("amplitude") >> period_;
128 // ************************************************************************* //