data/src/Lagrangian/cloud/fields/derivedLagrangianFieldSources/coneDiskDirection/coneDiskDirectionLagrangianVectorFieldSource.C

/*---------------------------------------------------------------------------*\
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License
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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\*---------------------------------------------------------------------------*/

#include "coneDiskDirectionLagrangianVectorFieldSource.H"
#include "diskInjection.H"
#include "Function1LagrangianFieldSource.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::coneDiskDirectionLagrangianVectorFieldSource::
coneDiskDirectionLagrangianVectorFieldSource
(
    const LagrangianFieldSourceBase& field,
    const dictionary& dict
)
:
    field_(field),
    thetaInner_
    (
        Function1<scalar>::New
        (
            "thetaInner",
            field.time().userUnits(),
            units::degrees,
            dict
        )
    ),
    thetaOuter_
    (
        Function1<scalar>::New
        (
            "thetaOuter",
            field.time().userUnits(),
            units::degrees,
            dict
        )
    )
{}


Foam::coneDiskDirectionLagrangianVectorFieldSource::
coneDiskDirectionLagrangianVectorFieldSource
(
    const coneDiskDirectionLagrangianVectorFieldSource& cddlvfs,
    const LagrangianFieldSourceBase& field
)
:
    field_(field),
    thetaInner_(cddlvfs.thetaInner_, false),
    thetaOuter_(cddlvfs.thetaOuter_, false)
{}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::coneDiskDirectionLagrangianVectorFieldSource::
~coneDiskDirectionLagrangianVectorFieldSource()
{}


// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //

Foam::tmp<Foam::LagrangianSubVectorField>
Foam::coneDiskDirectionLagrangianVectorFieldSource::direction
(
    const LagrangianInjection& injection,
    const LagrangianSubMesh& subMesh
) const
{
    const Lagrangian::diskInjection& diskInjection =
        field_.modelCast<Lagrangian::diskInjection>(injection);

    // Evaluate the cone angle
    const tmp<LagrangianSubScalarField> tthetaInner =
        Function1LagrangianFieldSource::value(subMesh, dimless, thetaInner_());
    const tmp<LagrangianSubScalarField> tthetaOuter =
        Function1LagrangianFieldSource::value(subMesh, dimless, thetaOuter_());
    const LagrangianSubScalarField theta
    (
        (1 - diskInjection.rFrac())*tthetaInner
      + diskInjection.rFrac()*tthetaOuter
    );

    // Return the direction
    return cos(theta)*diskInjection.axis() + sin(theta)*diskInjection.radial();
}


void Foam::coneDiskDirectionLagrangianVectorFieldSource::write
(
    Ostream& os
) const
{
    writeEntry
    (
        os,
        field_.time().userUnits(),
        units::degrees,
        thetaInner_()
    );

    writeEntry
    (
        os,
        field_.time().userUnits(),
        units::degrees,
        thetaOuter_()
    );
}


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