incompressibleDenseParticleFluid.C

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#include "incompressibleDenseParticleFluid.H"
#include "surfaceInterpolate.H"
#include "fvMatrix.H"
#include "fvcFlux.H"
#include "zeroGradientFvPatchFields.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace solvers
{
    defineTypeNameAndDebug(incompressibleDenseParticleFluid, 0);
    addToRunTimeSelectionTable
    (
        solver,
        incompressibleDenseParticleFluid,
        fvMesh
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::solvers::incompressibleDenseParticleFluid::correctCoNum()
{
    fluidSolver::correctCoNum(phic);
}
 
 
void Foam::solvers::incompressibleDenseParticleFluid::continuityErrors()
{
    fluidSolver::continuityErrors(phic);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::solvers::incompressibleDenseParticleFluid::
incompressibleDenseParticleFluid
(
    fvMesh& mesh
)
:
    fluidSolver(mesh),
 
    continuousPhaseName
    (
        IOdictionary
        (
            IOobject
            (
                "physicalProperties",
                runTime.constant(),
                mesh,
                IOobject::MUST_READ
            )
        ).lookup("continuousPhaseName")
    ),
 
    p_
    (
        IOobject
        (
            "p",
            runTime.name(),
            mesh,
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        mesh
    ),
 
    pressureReference(p_, pimple.dict()),
 
    g
    (
        IOobject
        (
            "g",
            runTime.constant(),
            mesh,
            IOobject::MUST_READ,
            IOobject::NO_WRITE
        )
    ),
 
    Uc_
    (
        IOobject
        (
            IOobject::groupName("U", continuousPhaseName),
            runTime.name(),
            mesh,
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        mesh
    ),
 
    phic_
    (
        IOobject
        (
            IOobject::groupName("phi", continuousPhaseName),
            runTime.name(),
            mesh,
            IOobject::READ_IF_PRESENT,
            IOobject::AUTO_WRITE
        ),
        linearInterpolate(Uc_) & mesh.Sf()
    ),
 
    viscosity(viscosityModel::New(mesh)),
 
    rhoc
    (
        IOobject
        (
            IOobject::groupName("rho", continuousPhaseName),
            runTime.name(),
            mesh
        ),
        mesh,
        dimensionedScalar
        (
            IOobject::groupName("rho", continuousPhaseName),
            dimDensity,
            viscosity->lookup
            (
                IOobject::groupName("rho", continuousPhaseName)
            )
        )
    ),
 
    muc
    (
        IOobject
        (
            IOobject::groupName("mu", continuousPhaseName),
            runTime.name(),
            mesh
        ),
        rhoc*viscosity->nu()
    ),
 
    alphac_
    (
        IOobject
        (
            IOobject::groupName("alpha", continuousPhaseName),
            runTime.name(),
            mesh,
            IOobject::READ_IF_PRESENT,
            IOobject::AUTO_WRITE
        ),
        mesh,
        dimensionedScalar(dimless, 0)
    ),
 
    alphacMin
    (
        1 - mesh.solution().solverDict(alphac_.name()).lookup<scalar>("max")
    ),
 
    alphacf("alphacf", fvc::interpolate(alphac_)),
 
    alphaPhic
    (
        IOobject::groupName("alphaPhi", continuousPhaseName),
        alphacf*phic_
    ),
 
    momentumTransport
    (
        phaseIncompressible::momentumTransportModel::New
        (
            alphac_,
            Uc_,
            alphaPhic,
            phic_,
            viscosity
        )
    ),
 
    clouds
    (
        parcelClouds::New(mesh, rhoc, Uc_, muc, g)
    ),
 
    p(p_),
    Uc(Uc_),
    phic(phic_),
    alphac(alphac_)
{
    mesh.schemes().setFluxRequired(p.name());
 
    momentumTransport->validate();
 
    // Update alphac from the particle locations
    alphac_ = max(1 - clouds.alpha(), alphacMin);
    alphac_.correctBoundaryConditions();
    alphacf = fvc::interpolate(alphac);
    alphaPhic = alphacf*phic;
 
    correctCoNum();
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::solvers::incompressibleDenseParticleFluid::
~incompressibleDenseParticleFluid()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
void Foam::solvers::incompressibleDenseParticleFluid::preSolve()
{
    if (mesh.dynamic() && !Ucf.valid())
    {
        Info<< "Constructing face momentum Ucf" << endl;
 
        // Ensure the U BCs are up-to-date before constructing Ucf
        Uc_.correctBoundaryConditions();
 
        Ucf = new surfaceVectorField
        (
            IOobject
            (
                "Ucf",
                runTime.name(),
                mesh,
                IOobject::READ_IF_PRESENT,
                IOobject::AUTO_WRITE
            ),
            fvc::interpolate(Uc)
        );
    }
 
    // Store the particle positions
    if (mesh.topoChanging() || mesh.distributing())
    {
        clouds.storeGlobalPositions();
    }
 
    fvModels().preUpdateMesh();
 
    correctCoNum();
 
    // Update the mesh for topology change, mesh to mesh mapping
    mesh_.update();
}
 
 
void Foam::solvers::incompressibleDenseParticleFluid::prePredictor()
{
    if (pimple.firstIter())
    {
        clouds.evolve();
 
        // Update continuous phase volume fraction field
        alphac_ = max(1 - clouds.alpha(), alphacMin);
        alphac_.correctBoundaryConditions();
        alphacf = fvc::interpolate(alphac);
 
        // ... and continuous phase volumetric flux
        alphaPhic = alphacf*phic;
 
        // Update the continuous phase dynamic viscosity
        muc = rhoc*viscosity->nu();
 
        Fd = new volVectorField
        (
            IOobject
            (
                "Fd",
                runTime.name(),
                mesh
            ),
            mesh,
            dimensionedVector(dimAcceleration, Zero),
            zeroGradientFvPatchVectorField::typeName
        );
 
        Dc = new volScalarField
        (
            IOobject
            (
                "Dc",
                runTime.name(),
                mesh
            ),
            mesh,
            dimensionedScalar(dimless/dimTime, Zero),
            zeroGradientFvPatchVectorField::typeName
        );
 
        const fvVectorMatrix cloudSU(clouds.SU(Uc));
 
        Fd().primitiveFieldRef() = -cloudSU.source()/mesh.V()/rhoc;
        Fd().correctBoundaryConditions();
 
        Dc().primitiveFieldRef() = -cloudSU.diag()/mesh.V()/rhoc;
        Dc().correctBoundaryConditions();
 
        Dcf = fvc::interpolate(Dc()).ptr();
 
        phid =
        (
            fvc::flux(Fd())
           /(Dcf() + dimensionedScalar(Dc().dimensions(), small))
        ).ptr();
    }
 
    if (pimple.predictTransport())
    {
        momentumTransport->predict();
    }
}
 
 
void Foam::solvers::incompressibleDenseParticleFluid::thermophysicalPredictor()
{}
 
 
void Foam::solvers::incompressibleDenseParticleFluid::pressureCorrector()
{
    while (pimple.correct())
    {
        correctPressure();
    }
 
    tUcEqn.clear();
}
 
 
void Foam::solvers::incompressibleDenseParticleFluid::postCorrector()
{
    if (pimple.correctTransport())
    {
        viscosity->correct();
        momentumTransport->correct();
    }
}
 
 
void Foam::solvers::incompressibleDenseParticleFluid::postSolve()
{
    Fd.clear();
    Dc.clear();
    Dcf.clear();
    phid.clear();
}
 
 
// ************************************************************************* //