fvPatch.C

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License
    This file is part of OpenFOAM.
 
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#include "fvPatch.H"
#include "addToRunTimeSelectionTable.H"
#include "fvBoundaryMesh.H"
#include "fvMesh.H"
#include "primitiveMesh.H"
#include "volFields.H"
#include "surfaceFields.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(fvPatch, 0);
    defineRunTimeSelectionTable(fvPatch, polyPatch);
    addToRunTimeSelectionTable(fvPatch, fvPatch, polyPatch);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::fvPatch::fvPatch(const polyPatch& p, const fvBoundaryMesh& bm)
:
    polyPatch_(p),
    boundaryMesh_(bm)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::fvPatch::~fvPatch()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::fvPatch::constraintType(const word& pt)
{
    return fvPatchField<scalar>::patchConstructorTablePtr_->found(pt);
}
 
 
Foam::wordList Foam::fvPatch::constraintTypes()
{
    wordList cTypes(polyPatchConstructorTablePtr_->size());
 
    label i = 0;
 
    for
    (
        polyPatchConstructorTable::iterator cstrIter =
            polyPatchConstructorTablePtr_->begin();
        cstrIter != polyPatchConstructorTablePtr_->end();
        ++cstrIter
    )
    {
        if (constraintType(cstrIter.key()))
        {
            cTypes[i++] = cstrIter.key();
        }
    }
 
    cTypes.setSize(i);
 
    return cTypes;
}
 
 
const Foam::objectRegistry& Foam::fvPatch::db() const
{
    return boundaryMesh().mesh();
}
 
 
const Foam::labelUList& Foam::fvPatch::faceCells() const
{
    return polyPatch_.faceCells();
}
 
 
const Foam::vectorField& Foam::fvPatch::Cf() const
{
    return boundaryMesh().mesh().Cf().boundaryField()[index()];
}
 
 
Foam::tmp<Foam::vectorField> Foam::fvPatch::Cn() const
{
    tmp<vectorField> tcc(new vectorField(size()));
    vectorField& cc = tcc.ref();
 
    const labelUList& faceCells = this->faceCells();
 
    // get reference to global cell centres
    const vectorField& gcc = boundaryMesh().mesh().cellCentres();
 
    forAll(faceCells, facei)
    {
        cc[facei] = gcc[faceCells[facei]];
    }
 
    return tcc;
}
 
 
Foam::tmp<Foam::vectorField> Foam::fvPatch::nf() const
{
    return Sf()/magSf();
}
 
 
const Foam::vectorField& Foam::fvPatch::Sf() const
{
    return boundaryMesh().mesh().Sf().boundaryField()[index()];
}
 
 
const Foam::scalarField& Foam::fvPatch::magSf() const
{
    return boundaryMesh().mesh().magSf().boundaryField()[index()];
}
 
 
Foam::tmp<Foam::vectorField> Foam::fvPatch::delta() const
{
    // Use patch-normal delta for all non-coupled BCs
    const vectorField nHat(nf());
    return nHat*(nHat & (Cf() - Cn()));
}
 
 
Foam::tmp<Foam::scalarField> Foam::fvPatch::polyFaceFraction() const
{
    return
        boundaryMesh().mesh().conformal()
      ? tmp<scalarField>(new scalarField(size(), scalar(1)))
      : magSf()
       /scalarField
        (
            boundaryMesh().mesh().magFaceAreas(),
            boundaryMesh().mesh().polyFacesBf()[patch().index()]
        );
}
 
 
void Foam::fvPatch::makeWeights(scalarField& w) const
{
    w = 1.0;
}
 
 
const Foam::scalarField& Foam::fvPatch::deltaCoeffs() const
{
    return boundaryMesh().mesh().deltaCoeffs().boundaryField()[index()];
}
 
 
const Foam::scalarField& Foam::fvPatch::weights() const
{
    return boundaryMesh().mesh().weights().boundaryField()[index()];
}
 
 
// ************************************************************************* //