alphaContactAngleFvPatchScalarField.C

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#include "alphaContactAngleFvPatchScalarField.H"
#include "fvPatchFieldMapper.H"
#include "volMesh.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
    defineTypeNameAndDebug(alphaContactAngleFvPatchScalarField, 0);

    template<>
    const char* Foam::NamedEnum
    <
        Foam::alphaContactAngleFvPatchScalarField::limitControls,
        4
    >::names[] =
    {
        "none",
        "gradient",
        "zeroGradient",
        "alpha"
    };
}


const Foam::NamedEnum
<
    Foam::alphaContactAngleFvPatchScalarField::limitControls,
    4
> Foam::alphaContactAngleFvPatchScalarField::limitControlNames_;


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

Foam::alphaContactAngleFvPatchScalarField::alphaContactAngleFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(p, iF),
    limit_(lcZeroGradient)
{}


Foam::alphaContactAngleFvPatchScalarField::alphaContactAngleFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchScalarField(p, iF),
    limit_(limitControlNames_.read(dict.lookup("limit")))
{
    if (dict.found("gradient"))
    {
        gradient() = scalarField("gradient", dict, p.size());
        fixedGradientFvPatchScalarField::updateCoeffs();
        fixedGradientFvPatchScalarField::evaluate();
    }
    else
    {
        fvPatchField<scalar>::operator=(patchInternalField());
        gradient() = 0.0;
    }
}


Foam::alphaContactAngleFvPatchScalarField::alphaContactAngleFvPatchScalarField
(
    const alphaContactAngleFvPatchScalarField& acpsf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedGradientFvPatchScalarField(acpsf, p, iF, mapper),
    limit_(acpsf.limit_)
{}


Foam::alphaContactAngleFvPatchScalarField::alphaContactAngleFvPatchScalarField
(
    const alphaContactAngleFvPatchScalarField& acpsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    fixedGradientFvPatchScalarField(acpsf, iF),
    limit_(acpsf.limit_)
{}


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

void Foam::alphaContactAngleFvPatchScalarField::evaluate
(
    const Pstream::commsTypes
)
{
    if (limit_ == lcGradient)
    {
        gradient() =
        patch().deltaCoeffs()
       *(
           max(min
           (
               *this + gradient()/patch().deltaCoeffs(),
               scalar(1)), scalar(0)
           ) - *this
       );
    }
    else if (limit_ == lcZeroGradient)
    {
        gradient() = 0.0;
    }

    fixedGradientFvPatchScalarField::evaluate();

    if (limit_ == lcAlpha)
    {
        scalarField::operator=(max(min(*this, scalar(1)), scalar(0)));
    }
}


void Foam::alphaContactAngleFvPatchScalarField::write
(
    Ostream& os
) const
{
    fixedGradientFvPatchScalarField::write(os);
    writeEntry(os, "limit", limitControlNames_[limit_]);
}


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