LagrangianSubMesh.C

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    This file is part of OpenFOAM.
 
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#include "LagrangianSubMesh.H"
#include "LagrangianSubFields.H"
#include "LagrangianMesh.H"
#include "tracking.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(LagrangianSubMesh, 0);
}
 
 
// * * * * * * * * * * * * * * Private Constructors  * * * * * * * * * * * * //
 
Foam::LagrangianSubMesh::LagrangianSubMesh
(
    const LagrangianMesh& mesh,
    const LagrangianGroup group,
    const label size,
    const label start,
    const label index
)
:
    GeoMesh<polyMesh>(mesh.mesh()),
    mesh_(mesh),
    group_(group),
    size_(size),
    start_(start),
    index_(index)
{}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::LagrangianSubMesh::LagrangianSubMesh
(
    const LagrangianMesh& mesh,
    const LagrangianGroup group,
    const label size,
    const label start
)
:
    GeoMesh<polyMesh>(mesh.mesh()),
    mesh_(mesh),
    group_(group),
    size_(size),
    start_(start),
    index_(mesh.subMeshIndex())
{}
 
 
Foam::LagrangianSubMesh::LagrangianSubMesh
(
    const LagrangianMesh& mesh,
    const labelList& groupOffsets,
    const LagrangianGroup group
)
:
    GeoMesh<polyMesh>(mesh.mesh()),
    mesh_(mesh),
    group_(group),
    size_
    (
        groupOffsets[static_cast<label>(group) + 1]
      - groupOffsets[static_cast<label>(group)]
    ),
    start_(groupOffsets[static_cast<label>(group)]),
    index_(mesh.subMeshIndex())
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::LagrangianSubMesh::~LagrangianSubMesh()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
template<>
Foam::tmp<Foam::vectorField> Foam::LagrangianSubMesh::nf
(
    const LagrangianSubScalarSubField& fraction
)
{
    const LagrangianSubMesh& subMesh = fraction.mesh();
 
    tmp<vectorField> tnf(new vectorField(subMesh.size()));
    vectorField& nf = tnf.ref();
 
    forAll(subMesh, subi)
    {
        nf[subi] =
            tracking::faceNormalAndDisplacement
            (
                subMesh.mesh().mesh(),
                subMesh.mesh().coordinates()[subi + subMesh.start()],
                subMesh.mesh().celli()[subi + subMesh.start()],
                subMesh.mesh().facei()[subi + subMesh.start()],
                subMesh.mesh().faceTrii()[subi + subMesh.start()],
                fraction[subi]
            ).first();
    }
 
    return tnf;
}
 
 
template<>
Foam::tmp<Foam::LagrangianSubVectorField> Foam::LagrangianSubMesh::nf
(
    const LagrangianSubScalarSubField& fraction
)
{
    const LagrangianSubMesh& subMesh = fraction.mesh();
 
    return
        LagrangianSubVectorField::New
        (
            "nf:" + Foam::name(subMesh.group()),
            subMesh,
            dimless,
            nf<vectorField>(fraction)
        );
}
 
 
template<>
Foam::tmp<Foam::vectorField> Foam::LagrangianSubMesh::nf
(
    const LagrangianScalarInternalDynamicField& fraction
) const
{
    tmp<vectorField> tnf(new vectorField(size()));
    vectorField& nf = tnf.ref();
 
    forAll(*this, subi)
    {
        nf[subi] =
            tracking::faceNormalAndDisplacement
            (
                mesh().mesh(),
                mesh().coordinates()[subi + start()],
                mesh().celli()[subi + start()],
                mesh().facei()[subi + start()],
                mesh().faceTrii()[subi + start()],
                fraction[subi + start()]
            ).first();
    }
 
    return tnf;
}
 
 
template<>
Foam::tmp<Foam::LagrangianSubVectorField> Foam::LagrangianSubMesh::nf
(
    const LagrangianScalarInternalDynamicField& fraction
) const
{
    return
        LagrangianSubVectorField::New
        (
            "nf:" + Foam::name(group()),
            *this,
            dimless,
            nf<vectorField>(fraction)
        );
}
 
 
template<>
Foam::tmp<Foam::vectorField> Foam::LagrangianSubMesh::Uf
(
    const LagrangianSubScalarSubField& fraction
)
{
    const LagrangianSubMesh& subMesh = fraction.mesh();
 
    tmp<vectorField> tUf(new vectorField(subMesh.size()));
    vectorField& Uf = tUf.ref();
 
    forAll(subMesh, subi)
    {
        Uf[subi] =
            tracking::faceNormalAndDisplacement
            (
                subMesh.mesh().mesh(),
                subMesh.mesh().coordinates()[subi + subMesh.start()],
                subMesh.mesh().celli()[subi + subMesh.start()],
                subMesh.mesh().facei()[subi + subMesh.start()],
                subMesh.mesh().faceTrii()[subi + subMesh.start()],
                fraction[subi]
            ).second()/subMesh.mesh().time().deltaTValue();
    }
 
    return tUf;
}
 
 
template<>
Foam::tmp<Foam::LagrangianSubVectorField> Foam::LagrangianSubMesh::Uf
(
    const LagrangianSubScalarSubField& fraction
)
{
    const LagrangianSubMesh& subMesh = fraction.mesh();
 
    return
        LagrangianSubVectorField::New
        (
            "Uf:" + Foam::name(subMesh.group()),
            subMesh,
            dimVelocity,
            Uf<vectorField>(fraction)
        );
}
 
 
template<>
Foam::tmp<Foam::vectorField> Foam::LagrangianSubMesh::Uf
(
    const LagrangianScalarInternalDynamicField& fraction
) const
{
    tmp<vectorField> tUf(new vectorField(size()));
    vectorField& Uf = tUf.ref();
 
    forAll(*this, subi)
    {
        Uf[subi] =
            tracking::faceNormalAndDisplacement
            (
                mesh().mesh(),
                mesh().coordinates()[subi + start()],
                mesh().celli()[subi + start()],
                mesh().facei()[subi + start()],
                mesh().faceTrii()[subi + start()],
                fraction[subi + start()]
            ).second()/mesh().time().deltaTValue();
    }
 
    return tUf;
}
 
 
template<>
Foam::tmp<Foam::LagrangianSubVectorField> Foam::LagrangianSubMesh::Uf
(
    const LagrangianScalarInternalDynamicField& fraction
) const
{
    return
        LagrangianSubVectorField::New
        (
            "Uf:" + Foam::name(group()),
            *this,
            dimVelocity,
            Uf<vectorField>(fraction)
        );
}
 
 
// * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * * //
 
void Foam::LagrangianSubMesh::operator+=(const LagrangianSubMesh& subMesh)
{
    if (&mesh_ != &subMesh.mesh_)
    {
        FatalErrorInFunction
            << "Cannot combine sub-meshes which relate to different meshes"
            << exit(FatalError);
    }
 
    if (group_ != subMesh.group_)
    {
        FatalErrorInFunction
            << "Cannot combine sub-meshes with different groups "
            << exit(FatalError);
    }
 
    if (size_ + start_ != subMesh.start_)
    {
        FatalErrorInFunction
            << "Cannot combine sub-meshes that are not contiguous"
            << exit(FatalError);
    }
 
    size_ += subMesh.size_;
}
 
 
// ************************************************************************* //