angularOscillatingVelocityPointPatchVectorField.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
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#include "angularOscillatingVelocityPointPatchVectorField.H"
#include "pointPatchFields.H"
#include "addToRunTimeSelectionTable.H"
#include "Time.H"
#include "polyMesh.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
angularOscillatingVelocityPointPatchVectorField::
angularOscillatingVelocityPointPatchVectorField
(
    const pointPatch& p,
    const DimensionedField<vector, pointMesh>& iF
)
:
    fixedValuePointPatchField<vector>(p, iF),
    axis_(Zero),
    origin_(Zero),
    angle0_(0.0),
    amplitude_(0.0),
    omega_(0.0),
    p0_(p.localPoints())
{}
 
 
angularOscillatingVelocityPointPatchVectorField::
angularOscillatingVelocityPointPatchVectorField
(
    const pointPatch& p,
    const DimensionedField<vector, pointMesh>& iF,
    const dictionary& dict
)
:
    fixedValuePointPatchField<vector>(p, iF, dict),
    axis_(dict.get<vector>("axis")),
    origin_(dict.get<vector>("origin")),
    angle0_(dict.get<scalar>("angle0")),
    amplitude_(dict.get<scalar>("amplitude")),
    omega_(dict.get<scalar>("omega"))
{
    if (!dict.found("value"))
    {
        updateCoeffs();
    }
 
    if (dict.found("p0"))
    {
        p0_ = vectorField("p0", dict , p.size());
    }
    else
    {
        p0_ = p.localPoints();
    }
}
 
 
angularOscillatingVelocityPointPatchVectorField::
angularOscillatingVelocityPointPatchVectorField
(
    const angularOscillatingVelocityPointPatchVectorField& ptf,
    const pointPatch& p,
    const DimensionedField<vector, pointMesh>& iF,
    const pointPatchFieldMapper& mapper
)
:
    fixedValuePointPatchField<vector>(ptf, p, iF, mapper),
    axis_(ptf.axis_),
    origin_(ptf.origin_),
    angle0_(ptf.angle0_),
    amplitude_(ptf.amplitude_),
    omega_(ptf.omega_),
    p0_(ptf.p0_)
{}
 
 
angularOscillatingVelocityPointPatchVectorField::
angularOscillatingVelocityPointPatchVectorField
(
    const angularOscillatingVelocityPointPatchVectorField& ptf,
    const DimensionedField<vector, pointMesh>& iF
)
:
    fixedValuePointPatchField<vector>(ptf, iF),
    axis_(ptf.axis_),
    origin_(ptf.origin_),
    angle0_(ptf.angle0_),
    amplitude_(ptf.amplitude_),
    omega_(ptf.omega_),
    p0_(ptf.p0_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void angularOscillatingVelocityPointPatchVectorField::autoMap
(
    const pointPatchFieldMapper& m
)
{
    fixedValuePointPatchField<vector>::autoMap(m);
 
    p0_.autoMap(m);
}
 
 
void angularOscillatingVelocityPointPatchVectorField::rmap
(
    const pointPatchField<vector>& ptf,
    const labelList& addr
)
{
    const angularOscillatingVelocityPointPatchVectorField& aOVptf =
        refCast<const angularOscillatingVelocityPointPatchVectorField>(ptf);
 
    fixedValuePointPatchField<vector>::rmap(aOVptf, addr);
 
    p0_.rmap(aOVptf.p0_, addr);
}
 
 
void angularOscillatingVelocityPointPatchVectorField::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }
 
    const polyMesh& mesh = this->internalField().mesh()();
    const Time& t = mesh.time();
    const pointPatch& p = this->patch();
 
    scalar angle = angle0_ + amplitude_*sin(omega_*t.value());
    vector axisHat = axis_/mag(axis_);
    vectorField p0Rel(p0_ - origin_);
 
    vectorField::operator=
    (
        (
            p0_
          + p0Rel*(cos(angle) - 1)
          + (axisHat ^ p0Rel*sin(angle))
          + (axisHat & p0Rel)*(1 - cos(angle))*axisHat
          - p.localPoints()
        )/t.deltaTValue()
    );
 
    fixedValuePointPatchField<vector>::updateCoeffs();
}
 
 
void angularOscillatingVelocityPointPatchVectorField::write
(
    Ostream& os
) const
{
    pointPatchField<vector>::write(os);
    os.writeEntry("axis", axis_);
    os.writeEntry("origin", origin_);
    os.writeEntry("angle0", angle0_);
    os.writeEntry("amplitude", amplitude_);
    os.writeEntry("omega", omega_);
    p0_.writeEntry("p0", os);
    this->writeValueEntry(os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
makePointPatchTypeField
(
    pointPatchVectorField,
    angularOscillatingVelocityPointPatchVectorField
);
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //