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multiphaseEulerFoam, turbulentDispersionModel: Corrected face-force for multiphase case

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This is a completion of commit 64da7a2c. The fix has now also been
applied to the face-momentum equation.
This commit is contained in:
Will Bainbridge
2022-01-11 11:22:09 +00:00
parent cc96abda03
commit 32b656f8a7
6 changed files with 35 additions and 85 deletions
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10
applications/solvers/multiphase/multiphaseEulerFoam/functionObjects/phaseForces/phaseForces.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2018-2020 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2018-2022 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -26,6 +26,7 @@ License
#include "phaseForces.H"
#include "addToRunTimeSelectionTable.H"
#include "BlendedInterfacialModel.H"
#include "fvcGrad.H"
#include "dragModel.H"
#include "virtualMassModel.H"
#include "liftModel.H"
@ -277,7 +278,12 @@ bool Foam::functionObjects::phaseForces::execute()
if (fluid_.foundBlendedSubModel<turbulentDispersionModel>(pair))
{
*forceFields_[turbulentDispersionModel::typeName] +=
nonDragForce<turbulentDispersionModel>(pair);
fluid_.lookupBlendedSubModel<turbulentDispersionModel>
(
pair
).D()
*(&pair.phase1() == &phase_ ? -1 : +1)
*fvc::grad(pair.phase1()/(pair.phase1() + pair.phase2()));
}
}
}

16
applications/solvers/multiphase/multiphaseEulerFoam/interfacialModels/turbulentDispersionModels/noTurbulentDispersion/noTurbulentDispersion.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2014-2020 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2014-2022 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -79,18 +79,4 @@ Foam::turbulentDispersionModels::noTurbulentDispersion::D() const
}
Foam::tmp<Foam::volVectorField>
Foam::turbulentDispersionModels::noTurbulentDispersion::F() const
{
const fvMesh& mesh(this->pair_.phase1().mesh());
return volVectorField::New
(
"zero",
mesh,
dimensionedVector(dimF, Zero)
);
}
// ************************************************************************* //

5
applications/solvers/multiphase/multiphaseEulerFoam/interfacialModels/turbulentDispersionModels/noTurbulentDispersion/noTurbulentDispersion.H
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2014-2020 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2014-2022 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -79,9 +79,6 @@ public:
//- Turbulent diffusivity
// multiplying the gradient of the phase-fraction
virtual tmp<volScalarField> D() const;
//- Turbulent dispersion force
virtual tmp<volVectorField> F() const;
};

43
applications/solvers/multiphase/multiphaseEulerFoam/interfacialModels/turbulentDispersionModels/turbulentDispersionModel/turbulentDispersionModel.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2014-2021 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2014-2022 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -25,9 +25,6 @@ License
#include "turbulentDispersionModel.H"
#include "phasePair.H"
#include "fvcGrad.H"
#include "surfaceInterpolate.H"
#include "fvcSnGrad.H"
#include "phaseCompressibleMomentumTransportModel.H"
#include "BlendedInterfacialModel.H"
@ -41,7 +38,6 @@ namespace Foam
}
const Foam::dimensionSet Foam::turbulentDispersionModel::dimD(1, -1, -2, 0, 0);
const Foam::dimensionSet Foam::turbulentDispersionModel::dimF(1, -2, -2, 0, 0);
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
@ -82,41 +78,4 @@ Foam::turbulentDispersionModel::continuousTurbulence() const
}
Foam::tmp<Foam::volVectorField>
Foam::turbulentDispersionModel::F() const
{
return
D()
*fvc::grad
(
pair_.dispersed()
/max
(
pair_.dispersed() + pair_.continuous(),
pair_.dispersed().residualAlpha()
)
);
}
Foam::tmp<Foam::surfaceScalarField>
Foam::turbulentDispersionModel::Ff() const
{
return
pair_.phase1().mesh().magSf()
*(
fvc::interpolate(D())
*fvc::snGrad
(
pair_.dispersed()
/max
(
pair_.dispersed() + pair_.continuous(),
pair_.dispersed().residualAlpha()
)
)
);
}
// ************************************************************************* //

11
applications/solvers/multiphase/multiphaseEulerFoam/interfacialModels/turbulentDispersionModels/turbulentDispersionModel/turbulentDispersionModel.H
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2014-2021 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2014-2022 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -86,9 +86,6 @@ public:
//- Diffusivity dimensions
static const dimensionSet dimD;
//- Force dimensions
static const dimensionSet dimF;
// Constructors
@ -122,12 +119,6 @@ public:
//- Turbulent diffusivity
// multiplying the gradient of the phase-fraction
virtual tmp<volScalarField> D() const = 0;
//- Turbulent dispersion force
virtual tmp<volVectorField> F() const;
//- Turbulent dispersion force on faces
virtual tmp<surfaceScalarField> Ff() const;
};

35
applications/solvers/multiphase/multiphaseEulerFoam/phaseSystems/PhaseSystems/MomentumTransferPhaseSystem/MomentumTransferPhaseSystem.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2015-2021 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2015-2022 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -753,24 +753,35 @@ Foam::MomentumTransferPhaseSystem<BasePhaseSystem>::phiFfs
turbulentDispersionModelIter
)
{
const surfaceScalarField Ff(turbulentDispersionModelIter()->Ff());
const phasePair&
pair(this->phasePairs_[turbulentDispersionModelIter.key()]);
addField
const surfaceScalarField Df
(
pair.phase1(),
"phiFf",
rAUfs[pair.phase1().index()]*Ff,
phiFfs
fvc::interpolate(turbulentDispersionModelIter()->D())
);
addField
const surfaceScalarField DByA1f(rAUfs[pair.phase1().index()]*Df);
const surfaceScalarField DByA2f(rAUfs[pair.phase2().index()]*Df);
const volScalarField alpha12(pair.phase1() + pair.phase2());
const surfaceScalarField snGradAlpha1By12
(
pair.phase2(),
"phiFf",
-rAUfs[pair.phase2().index()]*Ff,
phiFfs
fvc::snGrad
(
pair.phase1()/max(alpha12, pair.phase1().residualAlpha())
)*this->mesh_.magSf()
);
const surfaceScalarField snGradAlpha2By12
(
fvc::snGrad
(
pair.phase2()/max(alpha12, pair.phase2().residualAlpha())
)*this->mesh_.magSf()
);
addField(pair.phase1(), "phiF", DByA1f*snGradAlpha1By12, phiFfs);
addField(pair.phase2(), "phiF", DByA2f*snGradAlpha2By12, phiFfs);
}
if (this->fillFields_)