cylindricalInletVelocityFvPatchVectorField.C

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#include "cylindricalInletVelocityFvPatchVectorField.H"
#include "volFields.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "surfaceFields.H"
#include "mathematicalConstants.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::cylindricalInletVelocityFvPatchVectorField::
cylindricalInletVelocityFvPatchVectorField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF
)
:
    fixedValueFvPatchField<vector>(p, iF),
    centre_(pTraits<vector>::zero),
    axis_(pTraits<vector>::zero),
    axialVelocity_(),
    radialVelocity_(),
    rpm_()
{}
 
 
Foam::cylindricalInletVelocityFvPatchVectorField::
cylindricalInletVelocityFvPatchVectorField
(
    const cylindricalInletVelocityFvPatchVectorField& ptf,
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchField<vector>(ptf, p, iF, mapper),
    centre_(ptf.centre_),
    axis_(ptf.axis_),
    axialVelocity_(ptf.axialVelocity_, false),
    radialVelocity_(ptf.radialVelocity_, false),
    rpm_(ptf.rpm_, false)
{}
 
 
Foam::cylindricalInletVelocityFvPatchVectorField::
cylindricalInletVelocityFvPatchVectorField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchField<vector>(p, iF, dict),
    centre_(dict.lookup("centre")),
    axis_(dict.lookup("axis")),
    axialVelocity_(DataEntry<scalar>::New("axialVelocity", dict)),
    radialVelocity_(DataEntry<scalar>::New("radialVelocity", dict)),
    rpm_(DataEntry<scalar>::New("rpm", dict))
{}
 
 
Foam::cylindricalInletVelocityFvPatchVectorField::
cylindricalInletVelocityFvPatchVectorField
(
    const cylindricalInletVelocityFvPatchVectorField& ptf
)
:
    fixedValueFvPatchField<vector>(ptf),
    centre_(ptf.centre_),
    axis_(ptf.axis_),
    axialVelocity_(ptf.axialVelocity_, false),
    radialVelocity_(ptf.radialVelocity_, false),
    rpm_(ptf.rpm_, false)
{}
 
 
Foam::cylindricalInletVelocityFvPatchVectorField::
cylindricalInletVelocityFvPatchVectorField
(
    const cylindricalInletVelocityFvPatchVectorField& ptf,
    const DimensionedField<vector, volMesh>& iF
)
:
    fixedValueFvPatchField<vector>(ptf, iF),
    centre_(ptf.centre_),
    axis_(ptf.axis_),
    axialVelocity_(ptf.axialVelocity_, false),
    radialVelocity_(ptf.radialVelocity_, false),
    rpm_(ptf.rpm_, false)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::cylindricalInletVelocityFvPatchVectorField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    const scalar t = this->db().time().timeOutputValue();
    const scalar axialVelocity = axialVelocity_->value(t);
    const scalar radialVelocity = radialVelocity_->value(t);
    const scalar rpm = rpm_->value(t);
 
    vector hatAxis = axis_/mag(axis_);
 
    const vectorField r(patch().Cf() - centre_);
    const vectorField d(r - (hatAxis & r)*hatAxis);
 
    tmp<vectorField> tangVel
    (
        (rpm*constant::mathematical::pi/30.0)*(hatAxis) ^ d
    );
 
    operator==(tangVel + hatAxis*axialVelocity + radialVelocity*d/mag(d));
 
    fixedValueFvPatchField<vector>::updateCoeffs();
}
 
 
void Foam::cylindricalInletVelocityFvPatchVectorField::write(Ostream& os) const
{
    fvPatchField<vector>::write(os);
    os.writeKeyword("centre") << centre_ << token::END_STATEMENT << nl;
    os.writeKeyword("axis") << axis_ << token::END_STATEMENT << nl;
    axialVelocity_->writeData(os);
    radialVelocity_->writeData(os);
    rpm_->writeData(os);
    writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
   makePatchTypeField
   (
       fvPatchVectorField,
       cylindricalInletVelocityFvPatchVectorField
   );
}
 
 
// ************************************************************************* //