146a59e46c
Registration occurs when the temporary field is transferred to a non-temporary field via a constructor or if explicitly transferred to the database via the regIOobject "store" methods.
162 lines
4.2 KiB
C
162 lines
4.2 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Copyright (C) 2014-2018 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "segregated.H"
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#include "phasePair.H"
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#include "fvcGrad.H"
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#include "surfaceInterpolate.H"
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#include "zeroGradientFvPatchFields.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace dragModels
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{
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defineTypeNameAndDebug(segregated, 0);
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addToRunTimeSelectionTable(dragModel, segregated, dictionary);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::dragModels::segregated::segregated
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(
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const dictionary& dict,
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const phasePair& pair,
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const bool registerObject
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)
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:
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dragModel(dict, pair, registerObject),
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m_("m", dimless, dict),
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n_("n", dimless, dict)
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::dragModels::segregated::~segregated()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField> Foam::dragModels::segregated::CdRe() const
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{
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FatalErrorInFunction
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<< "Not implemented."
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<< "Drag coefficient not defined for the segregated model."
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<< exit(FatalError);
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return pair_.phase1();
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}
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Foam::tmp<Foam::volScalarField> Foam::dragModels::segregated::K() const
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{
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const fvMesh& mesh(pair_.phase1().mesh());
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const volScalarField& alpha1(pair_.phase1());
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const volScalarField& alpha2(pair_.phase2());
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const volScalarField& rho1(pair_.phase1().rho());
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const volScalarField& rho2(pair_.phase2().rho());
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tmp<volScalarField> tnu1(pair_.phase1().nu());
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tmp<volScalarField> tnu2(pair_.phase2().nu());
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const volScalarField& nu1(tnu1());
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const volScalarField& nu2(tnu2());
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volScalarField L
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(
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IOobject
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(
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"L",
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mesh.time().timeName(),
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mesh
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),
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mesh,
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dimensionedScalar(dimLength, 0),
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zeroGradientFvPatchField<scalar>::typeName
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);
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L.primitiveFieldRef() = cbrt(mesh.V());
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L.correctBoundaryConditions();
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volScalarField I
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(
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alpha1
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/max
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(
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alpha1 + alpha2,
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pair_.phase1().residualAlpha() + pair_.phase2().residualAlpha()
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)
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);
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volScalarField magGradI
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(
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max
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(
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mag(fvc::grad(I)),
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(pair_.phase1().residualAlpha() + pair_.phase2().residualAlpha())/L
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)
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);
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volScalarField muI
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(
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rho1*nu1*rho2*nu2
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/(rho1*nu1 + rho2*nu2)
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);
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volScalarField muAlphaI
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(
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alpha1*rho1*nu1*alpha2*rho2*nu2
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/(
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max(alpha1, pair_.phase1().residualAlpha())*rho1*nu1
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+ max(alpha2, pair_.phase2().residualAlpha())*rho2*nu2
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)
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);
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volScalarField ReI
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(
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pair_.rho()
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*pair_.magUr()
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/(magGradI*muI)
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);
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volScalarField lambda(m_*ReI + n_*muAlphaI/muI);
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return lambda*sqr(magGradI)*muI;
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}
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Foam::tmp<Foam::surfaceScalarField> Foam::dragModels::segregated::Kf() const
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{
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return fvc::interpolate(K());
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}
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// ************************************************************************* //
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