alphaContactAngleTwoPhaseFvPatchScalarField.C

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    Copyright (C) 2019 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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#include "alphaContactAngleTwoPhaseFvPatchScalarField.H"
#include "fvPatchFieldMapper.H"
#include "volMesh.H"

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

const Foam::Enum
<
    Foam::alphaContactAngleTwoPhaseFvPatchScalarField::limitControls
>
Foam::alphaContactAngleTwoPhaseFvPatchScalarField::limitControlNames_
({
    { limitControls::lcNone, "none" },
    { limitControls::lcGradient, "gradient" },
    { limitControls::lcZeroGradient, "zeroGradient" },
    { limitControls::lcAlpha, "alpha" },
});


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

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


Foam::alphaContactAngleTwoPhaseFvPatchScalarField::
alphaContactAngleTwoPhaseFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchScalarField(p, iF),  // Bypass dictionary constructor
    limit_(limitControlNames_.get("limit", dict))
{
    if (this->readGradientEntry(dict))
    {
        fixedGradientFvPatchScalarField::updateCoeffs();
        fixedGradientFvPatchScalarField::evaluate();
    }
    else
    {
        // Fallback: set to zero-gradient
        extrapolateInternal();
        gradient() = Zero;
    }
}


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


Foam::alphaContactAngleTwoPhaseFvPatchScalarField::
alphaContactAngleTwoPhaseFvPatchScalarField
(
    const alphaContactAngleTwoPhaseFvPatchScalarField& acpsf
)
:
    fixedGradientFvPatchScalarField(acpsf),
    limit_(acpsf.limit_)
{}


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


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

void Foam::alphaContactAngleTwoPhaseFvPatchScalarField::evaluate
(
    const Pstream::commsTypes
)
{
    if (limit_ == lcGradient)
    {
        gradient() =
        patch().deltaCoeffs()
       *(
           clamp(*this + gradient()/patch().deltaCoeffs(), zero_one{})
         - *this
       );
    }
    else if (limit_ == lcZeroGradient)
    {
        gradient() = Zero;
    }

    fixedGradientFvPatchScalarField::evaluate();

    if (limit_ == lcAlpha)
    {
        scalarField::operator=(clamp(*this, zero_one{}));
    }
}


void Foam::alphaContactAngleTwoPhaseFvPatchScalarField::write
(
    Ostream& os
) const
{
    fixedGradientFvPatchField<scalar>::write(os);
    os.writeEntry("limit", limitControlNames_[limit_]);
}


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