uniformFixedGradientFvPatchField.C

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    Copyright (C) 2017-2023 OpenCFD Ltd.
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    This file is part of OpenFOAM.
 
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#include "uniformFixedGradientFvPatchField.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class Type>
Foam::uniformFixedGradientFvPatchField<Type>::uniformFixedGradientFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF
)
:
    fixedGradientFvPatchField<Type>(p, iF),
    refGradFunc_(nullptr)
{}
 
 
template<class Type>
Foam::uniformFixedGradientFvPatchField<Type>::uniformFixedGradientFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const Field<Type>& fld
)
:
    fixedGradientFvPatchField<Type>(p, iF, fld),
    refGradFunc_(nullptr)
{}
 
 
template<class Type>
Foam::uniformFixedGradientFvPatchField<Type>::uniformFixedGradientFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    fixedGradientFvPatchField<Type>(p, iF),  // Bypass dictionary constructor
    refGradFunc_
    (
        PatchFunction1<Type>::New(p.patch(), "uniformGradient", dict)
    )
{
    fvPatchFieldBase::readDict(dict);
 
    if (!this->readValueEntry(dict))
    {
        // Ensure field has initialised values
        this->extrapolateInternal();
 
        // Evaluate to assign a value
        this->evaluate();
    }
}
 
 
template<class Type>
Foam::uniformFixedGradientFvPatchField<Type>::uniformFixedGradientFvPatchField
(
    const uniformFixedGradientFvPatchField<Type>& ptf,
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedGradientFvPatchField<Type>(ptf, p, iF, mapper),
    refGradFunc_(ptf.refGradFunc_.clone())
{}
 
 
template<class Type>
Foam::uniformFixedGradientFvPatchField<Type>::uniformFixedGradientFvPatchField
(
    const uniformFixedGradientFvPatchField<Type>& ptf
)
:
    fixedGradientFvPatchField<Type>(ptf),
    refGradFunc_(ptf.refGradFunc_.clone())
{}
 
 
template<class Type>
Foam::uniformFixedGradientFvPatchField<Type>::uniformFixedGradientFvPatchField
(
    const uniformFixedGradientFvPatchField<Type>& ptf,
    const DimensionedField<Type, volMesh>& iF
)
:
    fixedGradientFvPatchField<Type>(ptf, iF),
    refGradFunc_(ptf.refGradFunc_.clone())
{
    // Evaluate the profile if defined
    if (refGradFunc_)
    {
        this->evaluate();
    }
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
void Foam::uniformFixedGradientFvPatchField<Type>::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }
 
    const scalar t = this->db().time().timeOutputValue();
    // Extra safety on the evaluation
    if (refGradFunc_)
    {
        this->gradient() = refGradFunc_->value(t);
    }
    else
    {
        this->gradient() = Zero;
    }
 
    fixedGradientFvPatchField<Type>::updateCoeffs();
}
 
 
template<class Type>
void Foam::uniformFixedGradientFvPatchField<Type>::write(Ostream& os) const
{
    fixedGradientFvPatchField<Type>::write(os);
    if (refGradFunc_)
    {
        refGradFunc_->writeData(os);
    }
    fvPatchField<Type>::writeValueEntry(os);
}
 
 
// ************************************************************************* //