radiationCoupledBase.C

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#include "radiationCoupledBase.H"
#include "volFields.H"
#include "fieldMapper.H"
#include "mappedFvPatchBaseBase.H"
#include "radiationModel.H"
#include "opaqueSolid.H"
#include "absorptionEmissionModel.H"
 
// * * * * * * * * * * * * * Static Member Data  * * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(radiationCoupledBase, 0);
}
 
const Foam::NamedEnum
<
    Foam::radiationCoupledBase::emissivityMethodType,
    2
> Foam::radiationCoupledBase::emissivityMethodTypeNames_
{
    "solidRadiation",
    "lookup"
};
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::radiationCoupledBase::radiationCoupledBase
(
    const fvPatch& patch,
    const word& calculationType,
    const scalarField& emissivity
)
:
    patch_(patch),
    method_(emissivityMethodTypeNames_[calculationType]),
    emissivity_(emissivity)
{}
 
 
Foam::radiationCoupledBase::radiationCoupledBase
(
    const fvPatch& patch,
    const word& calculationType,
    const scalarField& emissivity,
    const fieldMapper& mapper
)
:
    patch_(patch),
    method_(emissivityMethodTypeNames_[calculationType]),
    emissivity_(mapper(emissivity))
{}
 
 
Foam::radiationCoupledBase::radiationCoupledBase
(
    const fvPatch& patch,
    const dictionary& dict
)
:
    patch_(patch),
    method_(emissivityMethodTypeNames_.read(dict.lookup("emissivityMode")))
{
    switch (method_)
    {
        case SOLIDRADIATION:
        {
            emissivity_ = scalarField(patch_.size(), scalar(0));
            break;
        }
 
        case LOOKUP:
        {
            emissivity_ =
                scalarField("emissivity", unitFraction, dict, patch_.size());
            break;
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Destructor    * * * * * * * * * * * * * * //
 
Foam::radiationCoupledBase::~radiationCoupledBase()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::scalarField> Foam::radiationCoupledBase::emissivity() const
{
    switch (method_)
    {
        case SOLIDRADIATION:
        {
            // Get the mapper and the neighbouring mesh and patch
            const mappedFvPatchBaseBase& mapper =
                mappedFvPatchBaseBase::getMap(patch_);
            const fvMesh& nbrMesh = mapper.nbrMesh();
            const fvPatch& nbrPatch = mapper.nbrFvPatch();
 
            const radiationModels::opaqueSolid& radiation =
                nbrMesh.lookupObject<radiationModels::opaqueSolid>
                (
                    "radiationProperties"
                );
 
            // NOTE: for an opaqueSolid the absorptionEmission model returns the
            // emissivity of the surface rather than the emission coefficient
            // and the input specification MUST correspond to this.
            return
                mapper.fromNeighbour
                (
                    radiation.absorptionEmission().e()().boundaryField()
                    [
                        nbrPatch.index()
                    ]
                );
        }
        break;
 
        case LOOKUP:
        {
            // Return local value
            return emissivity_;
        }
        break;
    }
 
    return scalarField(0);
}
 
 
void Foam::radiationCoupledBase::map
(
    const fvPatchScalarField& ptf,
    const fieldMapper& mapper
)
{
    const radiationCoupledBase& mrptf =
        refCast<const radiationCoupledBase>(ptf);
 
    mapper(emissivity_, mrptf.emissivity_);
}
 
 
void Foam::radiationCoupledBase::reset
(
    const fvPatchScalarField& ptf
)
{
    const radiationCoupledBase& mrptf =
        refCast<const radiationCoupledBase>(ptf);
 
    emissivity_.reset(mrptf.emissivity_);
}
 
 
void Foam::radiationCoupledBase::write(Ostream& os) const
{
    writeEntry(os, "emissivityMode", emissivityMethodTypeNames_[method_]);
    writeEntry(os, "emissivity", emissivity_);
}
 
 
// ************************************************************************* //