oscillatingFixedValueFvPatchField.C

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#include "oscillatingFixedValueFvPatchField.H"
#include "mathematicalConstants.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class Type>
scalar oscillatingFixedValueFvPatchField<Type>::currentScale() const
{
    const scalar t = this->db().time().timeOutputValue();
    const scalar a = amplitude_->value(t);
    const scalar f = frequency_->value(t);
 
    return 1.0 + a*sin(constant::mathematical::twoPi*f*t);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class Type>
oscillatingFixedValueFvPatchField<Type>::oscillatingFixedValueFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF
)
:
    fixedValueFvPatchField<Type>(p, iF),
    refValue_(p.size()),
    offset_(pTraits<Type>::zero),
    amplitude_(),
    frequency_(),
    curTimeIndex_(-1)
{}
 
 
template<class Type>
oscillatingFixedValueFvPatchField<Type>::oscillatingFixedValueFvPatchField
(
    const oscillatingFixedValueFvPatchField<Type>& ptf,
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchField<Type>(ptf, p, iF, mapper),
    refValue_(ptf.refValue_, mapper),
    offset_(ptf.offset_),
    amplitude_(ptf.amplitude_, false),
    frequency_(ptf.frequency_, false),
    curTimeIndex_(-1)
{}
 
 
template<class Type>
oscillatingFixedValueFvPatchField<Type>::oscillatingFixedValueFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchField<Type>(p, iF),
    refValue_("refValue", dict, p.size()),
    offset_(dict.lookupOrDefault<Type>("offset", pTraits<Type>::zero)),
    amplitude_(DataEntry<scalar>::New("amplitude", dict)),
    frequency_(DataEntry<scalar>::New("frequency", dict)),
    curTimeIndex_(-1)
{
    if (dict.found("value"))
    {
        fixedValueFvPatchField<Type>::operator==
        (
            Field<Type>("value", dict, p.size())
        );
    }
    else
    {
        fixedValueFvPatchField<Type>::operator==
        (
            refValue_*currentScale()
          + offset_
        );
    }
}
 
 
template<class Type>
oscillatingFixedValueFvPatchField<Type>::oscillatingFixedValueFvPatchField
(
    const oscillatingFixedValueFvPatchField<Type>& ptf
)
:
    fixedValueFvPatchField<Type>(ptf),
    refValue_(ptf.refValue_),
    offset_(ptf.offset_),
    amplitude_(ptf.amplitude_, false),
    frequency_(ptf.frequency_, false),
    curTimeIndex_(-1)
{}
 
 
template<class Type>
oscillatingFixedValueFvPatchField<Type>::oscillatingFixedValueFvPatchField
(
    const oscillatingFixedValueFvPatchField<Type>& ptf,
    const DimensionedField<Type, volMesh>& iF
)
:
    fixedValueFvPatchField<Type>(ptf, iF),
    refValue_(ptf.refValue_),
    offset_(ptf.offset_),
    amplitude_(ptf.amplitude_, false),
    frequency_(ptf.frequency_, false),
    curTimeIndex_(-1)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
void oscillatingFixedValueFvPatchField<Type>::autoMap
(
    const fvPatchFieldMapper& m
)
{
    fixedValueFvPatchField<Type>::autoMap(m);
    refValue_.autoMap(m);
}
 
 
template<class Type>
void oscillatingFixedValueFvPatchField<Type>::rmap
(
    const fvPatchField<Type>& ptf,
    const labelList& addr
)
{
    fixedValueFvPatchField<Type>::rmap(ptf, addr);
 
    const oscillatingFixedValueFvPatchField<Type>& tiptf =
        refCast<const oscillatingFixedValueFvPatchField<Type> >(ptf);
 
    refValue_.rmap(tiptf.refValue_, addr);
}
 
 
template<class Type>
void oscillatingFixedValueFvPatchField<Type>::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }
 
    if (curTimeIndex_ != this->db().time().timeIndex())
    {
        fixedValueFvPatchField<Type>::operator==
        (
            refValue_*currentScale()
          + offset_
        );
 
        curTimeIndex_ = this->db().time().timeIndex();
    }
 
    fixedValueFvPatchField<Type>::updateCoeffs();
}
 
 
template<class Type>
void oscillatingFixedValueFvPatchField<Type>::write(Ostream& os) const
{
    fixedValueFvPatchField<Type>::write(os);
    refValue_.writeEntry("refValue", os);
    os.writeKeyword("offset") << offset_ << token::END_STATEMENT << nl;
    amplitude_->writeData(os);
    frequency_->writeData(os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //