interRegionModel.C

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License
    This file is part of OpenFOAM.
 
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#include "interRegionModel.H"
#include "fvModels.H"
#include "matchingCellsToCells.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace fv
{
    defineTypeNameAndDebug(interRegionModel, 0);
}
}
 
 
// * * * * * * * * * * * * *  Private Member Functions * * * * * * * * * * * //
 
void Foam::fv::interRegionModel::readCoeffs()
{
    master_ = coeffs().lookupOrDefault<bool>("master", true);
 
    nbrRegionName_ =
        coeffs().lookupBackwardsCompatible<word>
        ({
            "nbrRegion",
            "nbrRegionName"
        });
 
    coeffs().lookup("interpolationMethod") >> interpolationMethod_;
}
 
 
const Foam::cellsToCells& Foam::fv::interRegionModel::interpolation() const
{
    if (!interpolationPtr_.valid())
    {
        Info<< incrIndent;
 
        if (master_)
        {
            Info<< indent << "- selecting inter region mapping" << endl;
 
            if (mesh().name() == nbrMesh().name())
            {
                FatalErrorInFunction
                    << "Inter-region model selected, but local and "
                    << "neighbour regions are the same: " << nl
                    << "    local region: " << mesh().name() << nl
                    << "    secondary region: " << nbrMesh().name() << nl
                    << exit(FatalError);
            }
 
            if (mesh().bounds().overlaps(nbrMesh().bounds()))
            {
                interpolationPtr_ = cellsToCells::New(interpolationMethod_);
                interpolationPtr_->update(mesh(), nbrMesh());
            }
            else
            {
                FatalErrorInFunction
                    << "regions " << mesh().name() << " and "
                    << nbrMesh().name() <<  " do not intersect"
                    << exit(FatalError);
            }
        }
 
        Info<< decrIndent;
    }
 
    return interpolationPtr_();
}
 
 
const Foam::fv::interRegionModel& Foam::fv::interRegionModel::nbrModel() const
{
    const fvMesh& nbrMesh = mesh().time().lookupObject<fvMesh>(nbrRegionName());
 
    const PtrListDictionary<fvModel>& fvModels =
        nbrMesh.lookupObject<Foam::fvModels>("fvModels");
 
    forAll(fvModels, fvModeli)
    {
        if (isA<interRegionModel>(fvModels[fvModeli]))
        {
            const interRegionModel& model =
                refCast<const interRegionModel>(fvModels[fvModeli]);
 
            if (model.nbrRegionName() == mesh().name())
            {
                return model;
            }
        }
    }
 
    FatalErrorInFunction
        << "Neighbour model not found in region " << nbrMesh.name() << nl
        << exit(FatalError);
    return NullObjectRef<interRegionModel>();
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::fv::interRegionModel::interRegionModel
(
    const word& name,
    const word& modelType,
    const fvMesh& mesh,
    const dictionary& dict
)
:
    fvModel(name, modelType, mesh, dict),
    master_(false),
    nbrRegionName_(word::null),
    interpolationMethod_(cellsToCellss::matching::typeName),
    interpolationPtr_()
{
    readCoeffs();
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::fv::interRegionModel::~interRegionModel()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::fv::interRegionModel::read(const dictionary& dict)
{
    if (fvModel::read(dict))
    {
        readCoeffs();
        interpolationPtr_.clear();
        return true;
    }
    else
    {
        return false;
    }
}
 
 
// ************************************************************************* //