Angular damper rotational restraint
This commit is contained in:
Vuko Vukcevic
parent
8459f22dbb
commit
e31adfa8fd
3 changed files with 230 additions and 0 deletions
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@ -25,6 +25,7 @@ $(sixDOF)/sixDOFODE/constraints/translationalConstraints/periodicOscillation/per
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$(sixDOF)/sixDOFODE/restraints/translationalRestraints/translationalRestraint/translationalRestraint.C
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$(sixDOF)/sixDOFODE/restraints/translationalRestraints/linearSpringDamper/linearSpringDamper.C
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$(sixDOF)/sixDOFODE/restraints/rotationalRestraints/rotationalRestraint/rotationalRestraint.C
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$(sixDOF)/sixDOFODE/restraints/rotationalRestraints/angularDamper/angularDamper.C
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$(sixDOF)/sixDOFODE/sixDOFODE.C
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$(sixDOF)/sixDOFODE/newSixDOFODE.C
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@ -0,0 +1,111 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.0
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "angularDamper.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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defineTypeNameAndDebug(angularDamper, 0);
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addToRunTimeSelectionTable
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(
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rotationalRestraint,
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angularDamper,
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word
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);
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::angularDamper::angularDamper
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(
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const word& name,
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const dictionary& dict
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)
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:
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rotationalRestraint(name, dict),
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angDampingCoeffs_(dict.lookup("angularDamping")),
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inGlobal_(dict.lookup("inGlobalCoordinateSystem"))
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{}
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Foam::autoPtr<Foam::rotationalRestraint>
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Foam::angularDamper::clone() const
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{
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return autoPtr<rotationalRestraint>
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(
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new angularDamper(*this)
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);
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::angularDamper::~angularDamper()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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Foam::vector Foam::angularDamper::restrainingMoment
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(
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const scalar,
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const tensor& toRelative,
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const vector& omega
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) const
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{
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vector rm;
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if (inGlobal_)
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{
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// Restraint given in global (inertial) coordinate system, transform it
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// to local
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rm = (toRelative & angDampingCoeffs_) & omega;
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}
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else
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{
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// Restraint already in local (body) coordinate system
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rm = angDampingCoeffs_ & omega;
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}
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return -rm;
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}
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void Foam::angularDamper::write(Ostream& os) const
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{
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os.writeKeyword("type") << tab << type()
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<< token::END_STATEMENT << nl << nl;
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os.writeKeyword("angularDamping") << tab << angDampingCoeffs_
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<< token::END_STATEMENT << nl;
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os.writeKeyword("inGlobalCoordinateSystem") << tab << inGlobal_
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<< token::END_STATEMENT << endl;
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}
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// ************************************************************************* //
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@ -0,0 +1,118 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.0
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::angularDamper
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Description
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Rotational restraint corresponding to angular damper defined by angular
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damping coefficients.
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Author
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Vuko Vukcevic, FSB Zagreb. All rights reserved.
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SourceFiles
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angularDamper.C
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\*---------------------------------------------------------------------------*/
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#ifndef angularDamper_H
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#define angularDamper_H
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#include "rotationalRestraint.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class angularDamper Declaration
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\*---------------------------------------------------------------------------*/
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class angularDamper
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:
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public rotationalRestraint
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{
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// Private Data
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//- Angular damping coefficients
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diagTensor angDampingCoeffs_;
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//- Whether the damper is applied in global or local c. s.
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Switch inGlobal_;
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public:
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//- Runtime type information
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TypeName("angularDamper");
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// Constructors
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//- Construct from dictionary
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angularDamper
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(
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const word& name,
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const dictionary& dict
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);
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//- Construct and return a clone
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virtual autoPtr<rotationalRestraint> clone() const;
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// Destructor
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virtual ~angularDamper();
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// Member Functions
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// Restraint specific functions
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//- Return restraining moment (in the global coordinate system)
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virtual vector restrainingMoment
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(
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const scalar t,
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const tensor& toRelative,
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const vector& omega
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) const;
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// I-O Functions and Operators
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//- Virtual write function
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virtual void write(Ostream& os) const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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