freestreamPressureFvPatchScalarField.C

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    Copyright (C) 2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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#include "freestreamPressureFvPatchScalarField.H"
#include "volFields.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::freestreamPressureFvPatchScalarField::
freestreamPressureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF
)
:
    mixedFvPatchScalarField(p, iF),
    UName_("U")
{}
 
 
Foam::freestreamPressureFvPatchScalarField::
freestreamPressureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    mixedFvPatchScalarField(p, iF),
    UName_(dict.getOrDefault<word>("U", "U"))
{
    freestreamValue() = scalarField("freestreamValue", dict, p.size());
 
    if (dict.found("value"))
    {
        fvPatchScalarField::operator=
        (
            scalarField("value", dict, p.size())
        );
    }
    else
    {
        fvPatchScalarField::operator=(freestreamValue());
    }
 
    refGrad() = Zero;
    valueFraction() = 0;
}
 
 
Foam::freestreamPressureFvPatchScalarField::
freestreamPressureFvPatchScalarField
(
    const freestreamPressureFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    mixedFvPatchScalarField(ptf, p, iF, mapper),
    UName_(ptf.UName_)
{}
 
 
Foam::freestreamPressureFvPatchScalarField::
freestreamPressureFvPatchScalarField
(
    const freestreamPressureFvPatchScalarField& wbppsf
)
:
    mixedFvPatchScalarField(wbppsf),
    UName_(wbppsf.UName_)
{}
 
 
Foam::freestreamPressureFvPatchScalarField::
freestreamPressureFvPatchScalarField
(
    const freestreamPressureFvPatchScalarField& wbppsf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    mixedFvPatchScalarField(wbppsf, iF),
    UName_(wbppsf.UName_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::freestreamPressureFvPatchScalarField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    const Field<vector>& Up =
        patch().template lookupPatchField<volVectorField, vector>
        (
            UName_
        );
 
    valueFraction() = 0.5 + 0.5*(Up & patch().nf())/mag(Up);
 
    mixedFvPatchField<scalar>::updateCoeffs();
}
 
 
void Foam::freestreamPressureFvPatchScalarField::write(Ostream& os) const
{
    fvPatchScalarField::write(os);
    os.writeEntryIfDifferent<word>("U", "U", UName_);
    freestreamValue().writeEntry("freestreamValue", os);
    writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        freestreamPressureFvPatchScalarField
    );
}
 
// ************************************************************************* //