wallBoiling.C

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    Copyright (C) 2018 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "wallBoiling.H"
#include "alphatWallBoilingWallFunctionFvPatchScalarField.H"
#include "phaseSystem.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
namespace nucleationModels
{
    defineTypeNameAndDebug(wallBoiling, 0);
    addToRunTimeSelectionTable
    (
        nucleationModel,
        wallBoiling,
        dictionary
    );
}
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::diameterModels::nucleationModels::wallBoiling::
wallBoiling
(
    const populationBalanceModel& popBal,
    const dictionary& dict
)
:
    nucleationModel(popBal, dict),
    velGroup_
    (
        refCast<const velocityGroup>
        (
            popBal.mesh().lookupObject<phaseModel>
            (
                IOobject::groupName
                (
                    "alpha",
                    dict.get<word>("velocityGroup")
                )
            ).dPtr()()
        )
    ),
    turbulence_
    (
        popBal_.mesh().lookupObjectRef<phaseCompressibleTurbulenceModel>
        (
            IOobject::groupName
            (
                turbulenceModel::propertiesName,
                popBal_.continuousPhase().name()
            )
        )
    )
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::diameterModels::nucleationModels::wallBoiling::correct()
{
    const tmp<volScalarField> talphat(turbulence_.alphat());
    const volScalarField::Boundary& alphatBf = talphat().boundaryField();
 
    typedef compressible::alphatWallBoilingWallFunctionFvPatchScalarField
        alphatWallBoilingWallFunction;
 
    forAll(alphatBf, patchi)
    {
        if
        (
            isA<alphatWallBoilingWallFunction>(alphatBf[patchi])
        )
        {
            const alphatWallBoilingWallFunction& alphatw =
                refCast<const alphatWallBoilingWallFunction>(alphatBf[patchi]);
 
            const scalarField& dDep = alphatw.dDeparture();
 
            if (min(dDep) < velGroup_.sizeGroups().first().d().value())
            {
                Warning
                    << "Minimum departure diameter " << min(dDep)
                    << " m outside of range ["
                    << velGroup_.sizeGroups().first().d().value() << ", "
                    << velGroup_.sizeGroups().last().d().value() << "] m"
                    << " at patch " << alphatw.patch().name()
                    << endl
                    << "    The nucleation rate in populationBalance "
                    << popBal_.name() << " is set to zero." << endl
                    << "    Adjust discretization over property space to"
                    << " suppress this warning."
                    << endl;
            }
            else if (max(dDep) > velGroup_.sizeGroups().last().d().value())
            {
                Warning
                    << "Maximum departure diameter " << max(dDep)
                    << " m outside of range ["
                    << velGroup_.sizeGroups().first().d().value() << ", "
                    << velGroup_.sizeGroups().last().d().value() << "] m"
                    << " at patch " << alphatw.patch().name()
                    << endl
                    << "    The nucleation rate in populationBalance "
                    << popBal_.name() << " is set to zero." << endl
                    << "    Adjust discretization over property space to"
                    << " suppress this warning."
                    << endl;
            }
        }
    }
}
 
 
void
Foam::diameterModels::nucleationModels::wallBoiling::addToNucleationRate
(
    volScalarField& nucleationRate,
    const label i
)
{
    const sizeGroup& fi = popBal_.sizeGroups()[i];
    const phaseModel& phase = fi.phase();
    const tmp<volScalarField> trho(phase.rho());
    const volScalarField& rho = trho();
    const tmp<volScalarField> talphat(turbulence_.alphat());
    const volScalarField::Boundary& alphatBf = talphat().boundaryField();
 
    typedef compressible::alphatWallBoilingWallFunctionFvPatchScalarField
        alphatWallBoilingWallFunction;
 
    forAll(alphatBf, patchi)
    {
        if
        (
            isA<alphatWallBoilingWallFunction>(alphatBf[patchi])
        )
        {
            const alphatWallBoilingWallFunction& alphatw =
                refCast<const alphatWallBoilingWallFunction>(alphatBf[patchi]);
 
            const scalarField& dmdt = alphatw.dmdt();
            const scalarField& dDep = alphatw.dDeparture();
 
            const labelUList& faceCells = alphatw.patch().faceCells();
 
            dimensionedScalar unitLength("unitLength", dimLength, 1.0);
 
            forAll(alphatw, facei)
            {
                if (dmdt[facei] > SMALL)
                {
                    const label faceCelli = faceCells[facei];
 
                    nucleationRate[faceCelli] +=
                        popBal_.gamma
                        (
                            i,
                            velGroup_.formFactor()*pow3(dDep[facei]*unitLength)
                        ).value()
                       *dmdt[facei]/rho[faceCelli]/fi.x().value();
                }
            }
        }
    }
}
 
 
// ************************************************************************* //