wallLayersHeatTransferCoefficient_DimensionedFieldFunction.C

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#include "wallLayersHeatTransferCoefficient_DimensionedFieldFunction.H"
#include "DimensionedFields.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace DimensionedFieldFunctions
{
    defineTypeNameAndDebug
    (
        wallLayersHeatTransferCoefficient,
        0
    );
 
    typedef DimensionedFieldFunction<DimensionedField<scalar, fvPatch>>
        DimensionedFieldFunctionScalarFvPatch;
    addToRunTimeSelectionTable
    (
        DimensionedFieldFunctionScalarFvPatch,
        wallLayersHeatTransferCoefficient,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::DimensionedFieldFunctions::
wallLayersHeatTransferCoefficient::wallLayersHeatTransferCoefficient
(
    const dictionary& dict,
    DimensionedField<scalar, fvPatch>& field
)
:
    DimensionedFieldFunction<DimensionedField<scalar, fvPatch>>(dict, field),
    thicknessLayers_(dict.lookup<scalarList>("thicknessLayers", dimLength)),
    kappaLayers_(dict.lookup<scalarList>("kappaLayers", dimThermalConductivity))
{}
 
 
Foam::DimensionedFieldFunctions::
wallLayersHeatTransferCoefficient::wallLayersHeatTransferCoefficient
(
    const wallLayersHeatTransferCoefficient& dff,
    DimensionedField<scalar, fvPatch>& field
)
:
    DimensionedFieldFunction<DimensionedField<scalar, fvPatch>>(dff, field),
    thicknessLayers_(dff.thicknessLayers_),
    kappaLayers_(dff.kappaLayers_)
{}
 
 
Foam::autoPtr
<
    Foam::DimensionedFieldFunction
    <
        Foam::DimensionedField<Foam::scalar, Foam::fvPatch>
    >
>
Foam::DimensionedFieldFunctions::wallLayersHeatTransferCoefficient::clone
(
    DimensionedField<scalar, fvPatch>& field
) const
{
    return autoPtr<DimensionedFieldFunction<DimensionedField<scalar, fvPatch>>>
    (
        new wallLayersHeatTransferCoefficient
        (
            *this,
            field
        )
    );
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::DimensionedFieldFunctions::
wallLayersHeatTransferCoefficient::evaluate()
{
    // Calculate effective heat transfer coefficient by harmonic averaging
    scalar h = 0;
    forAll(thicknessLayers_, i)
    {
        h += thicknessLayers_[i]/kappaLayers_[i];
    }
    h = 1/h;
 
    this->field_.primitiveFieldRef() = h;
}
 
 
void Foam::DimensionedFieldFunctions::
wallLayersHeatTransferCoefficient::write
(
    Ostream& os
) const
{
    writeEntry(os, "thicknessLayers", thicknessLayers_);
    writeEntry(os, "kappaLayers", kappaLayers_);
}
 
 
// ************************************************************************* //