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),
    origin_(Zero),
    axis_(Zero),
    axialVelocity_(),
    radialVelocity_(),
    rpm_()
{}


Foam::cylindricalInletVelocityFvPatchVectorField::
cylindricalInletVelocityFvPatchVectorField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchField<vector>(p, iF, dict),
    origin_(dict.lookup("origin")),
    axis_(dict.lookup("axis")),
    axialVelocity_(Function1<scalar>::New("axialVelocity", dict)),
    radialVelocity_(Function1<scalar>::New("radialVelocity", dict)),
    rpm_(Function1<scalar>::New("rpm", dict))
{}


Foam::cylindricalInletVelocityFvPatchVectorField::
cylindricalInletVelocityFvPatchVectorField
(
    const cylindricalInletVelocityFvPatchVectorField& ptf,
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchField<vector>(ptf, p, iF, mapper),
    origin_(ptf.origin_),
    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),
    origin_(ptf.origin_),
    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);

    const vector axisHat = axis_/mag(axis_);

    const vectorField r(patch().Cf() - origin_);
    const vectorField d(r - (axisHat & r)*axisHat);

    tmp<vectorField> tangVel
    (
        (rpm*constant::mathematical::pi/30.0)*(axisHat) ^ d
    );

    operator==(tangVel + axisHat*axialVelocity + radialVelocity*d/mag(d));

    fixedValueFvPatchField<vector>::updateCoeffs();
}


void Foam::cylindricalInletVelocityFvPatchVectorField::write(Ostream& os) const
{
    fvPatchField<vector>::write(os);
    writeEntry(os, "origin", origin_);
    writeEntry(os, "axis", axis_);
    writeEntry(os, axialVelocity_());
    writeEntry(os, radialVelocity_());
    writeEntry(os, rpm_());
    writeEntry(os, "value", *this);
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
   makePatchTypeField
   (
       fvPatchVectorField,
       cylindricalInletVelocityFvPatchVectorField
   );
}


// ************************************************************************* //