oscillatingVelocityPointPatchVectorField.C

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    \\  /    A nd           | Copyright (C) 2011-2026 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
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#include "oscillatingVelocityPointPatchVectorField.H"
#include "addToRunTimeSelectionTable.H"
#include "Time.H"
#include "polyMesh.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
oscillatingVelocityPointPatchVectorField::
oscillatingVelocityPointPatchVectorField
(
    const pointPatch& p,
    const DimensionedField<vector, pointMesh>& iF,
    const dictionary& dict
)
:
    fixedValuePointPatchVectorField(p, iF, dict),
    amplitude_(dict.lookup<vector>("amplitude", dimLength)),
    omega_(dict.lookup<scalar>("omega", units::radians/dimTime))
{
    if (!dict.found("value"))
    {
        updateCoeffs();
    }
 
    if (dict.found("p0"))
    {
        p0_ = vectorField("p0", dimLength, dict, p.size());
    }
    else
    {
        p0_ = p.localPoints();
    }
}
 
 
oscillatingVelocityPointPatchVectorField::
oscillatingVelocityPointPatchVectorField
(
    const oscillatingVelocityPointPatchVectorField& ptf,
    const pointPatch& p,
    const DimensionedField<vector, pointMesh>& iF,
    const fieldMapper& mapper
)
:
    fixedValuePointPatchVectorField(ptf, p, iF, mapper),
    amplitude_(ptf.amplitude_),
    omega_(ptf.omega_),
    p0_(mapper(ptf.p0_))
{}
 
 
oscillatingVelocityPointPatchVectorField::
oscillatingVelocityPointPatchVectorField
(
    const oscillatingVelocityPointPatchVectorField& ptf,
    const DimensionedField<vector, pointMesh>& iF
)
:
    fixedValuePointPatchVectorField(ptf, iF),
    amplitude_(ptf.amplitude_),
    omega_(ptf.omega_),
    p0_(ptf.p0_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void oscillatingVelocityPointPatchVectorField::map
(
    const pointPatchVectorField& ptf,
    const fieldMapper& mapper
)
{
    const oscillatingVelocityPointPatchVectorField& oVptf =
        refCast<const oscillatingVelocityPointPatchVectorField>(ptf);
 
    fixedValuePointPatchVectorField::map(oVptf, mapper);
 
    mapper(p0_, oVptf.p0_);
}
 
 
void oscillatingVelocityPointPatchVectorField::reset
(
    const pointPatchVectorField& ptf
)
{
    const oscillatingVelocityPointPatchVectorField& oVptf =
        refCast<const oscillatingVelocityPointPatchVectorField>(ptf);
 
    fixedValuePointPatchVectorField::reset(oVptf);
 
    p0_.reset(oVptf.p0_);
}
 
 
void oscillatingVelocityPointPatchVectorField::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }
 
    const polyMesh& mesh = this->internalField().mesh()();
    const Time& t = mesh.time();
    const pointPatch& p = this->patch();
 
    Field<vector>::operator=
    (
        (p0_ + amplitude_*sin(omega_*t.value()) - p.localPoints())
       /t.deltaTValue()
    );
 
    fixedValuePointPatchVectorField::updateCoeffs();
}
 
 
void oscillatingVelocityPointPatchVectorField::write(Ostream& os) const
{
    pointPatchVectorField::write(os);
    writeEntry(os, "amplitude", amplitude_);
    writeEntry(os, "omega", omega_);
    writeEntry(os, "p0", p0_);
    writeEntry(os, "value", *this);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
makePointPatchTypeField
(
    pointPatchVectorField,
    oscillatingVelocityPointPatchVectorField
);
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //