Realizable k-epsilon turbulence model for incompressible and compressible flows. More...


Public Types | |
| typedef BasicMomentumTransportModel::alphaField | alphaField |
| typedef BasicMomentumTransportModel::rhoField | rhoField |
Public Types inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > > | |
| typedef BasicMomentumTransportModel::alphaField | alphaField |
| typedef BasicMomentumTransportModel::rhoField | rhoField |
Public Types inherited from linearViscousStress< BasicMomentumTransportModel > | |
| typedef BasicMomentumTransportModel::alphaField | alphaField |
| typedef BasicMomentumTransportModel::rhoField | rhoField |
Public Member Functions | |
| TypeName ("realizableKE") | |
| Runtime type information. More... | |
| realizableKE (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity, const word &type=typeName) | |
| Construct from components. More... | |
| virtual | ~realizableKE () |
| Destructor. More... | |
| virtual bool | read () |
| Re-read model coefficients if they have changed. More... | |
| tmp< volScalarField > | DkEff () const |
| Return the effective diffusivity for k. More... | |
| tmp< volScalarField > | DepsilonEff () const |
| Return the effective diffusivity for epsilon. More... | |
| virtual tmp< volScalarField > | k () const |
| Return the turbulence kinetic energy. More... | |
| virtual tmp< volScalarField > | epsilon () const |
| Return the turbulence kinetic energy dissipation rate. More... | |
| virtual tmp< volScalarField > | omega () const |
| Return the turbulence specific dissipation rate. More... | |
| virtual void | correct () |
| Solve the turbulence equations and correct the turbulence viscosity. More... | |
Public Member Functions inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > > | |
| eddyViscosity (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity) | |
| Construct from components. More... | |
| virtual | ~eddyViscosity () |
| Destructor. More... | |
| virtual tmp< volScalarField > | nut () const |
| Return the turbulence viscosity. More... | |
| virtual tmp< scalarField > | nut (const label patchi) const |
| Return the turbulence viscosity on patch. More... | |
| virtual tmp< volSymmTensorField > | R () const |
| Return the Reynolds stress tensor [m^2/s^2]. More... | |
| virtual void | validate () |
| Validate the turbulence fields after construction. More... | |
Public Member Functions inherited from linearViscousStress< BasicMomentumTransportModel > | |
| linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity) | |
| Construct from components. More... | |
| virtual | ~linearViscousStress () |
| Destructor. More... | |
| virtual tmp< surfaceVectorField > | devTau () const |
| Return the effective surface stress. More... | |
| virtual tmp< fvVectorMatrix > | divDevTau (volVectorField &U) const |
| Return the source term for the momentum equation. More... | |
| virtual tmp< fvVectorMatrix > | divDevTau (const volScalarField &rho, volVectorField &U) const |
| Return the source term for the momentum equation. More... | |
| template<class RhoFieldType > | |
| Foam::tmp< Foam::fvVectorMatrix > | DivDevTau (const RhoFieldType &rho, volVectorField &U) const |
Protected Member Functions | |
| void | boundEpsilon () |
| Bound epsilon. More... | |
| tmp< volScalarField > | rCmu (const volTensorField &gradU, const volScalarField &S2, const volScalarField &magS) |
| virtual void | correctNut (const volTensorField &gradU, const volScalarField &S2, const volScalarField &magS) |
| Correct the eddy-viscosity nut. More... | |
| virtual void | correctNut () |
| Correct the eddy-viscosity nut. More... | |
| virtual tmp< fvScalarMatrix > | kSource () const |
| Source term for the k equation. More... | |
| virtual tmp< fvScalarMatrix > | epsilonSource () const |
| Source term for the epsilon equation. More... | |
Protected Member Functions inherited from linearViscousStress< BasicMomentumTransportModel > | |
| template<class RhoFieldType > | |
| tmp< fvVectorMatrix > | DivDevTau (const RhoFieldType &rho, volVectorField &U) const |
| Return the source term for the momentum equation. More... | |
Protected Attributes | |
| dimensionedScalar | A0_ |
| dimensionedScalar | C2_ |
| dimensionedScalar | sigmak_ |
| dimensionedScalar | sigmaEps_ |
| volScalarField | k_ |
| volScalarField | epsilon_ |
Protected Attributes inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > > | |
| volScalarField | nut_ |
Realizable k-epsilon turbulence model for incompressible and compressible flows.
References:
Shih, T. H., Liou, W. W., Shabbir, A., Yang, Z., & Zhu, J. (1994).
A new k-epsilon eddy viscosity model for high Reynolds number
turbulent flows: Model development and validation.
NASA STI/Recon Technical Report N, 95, 11442.
Shih, T. H., Liou, W. W., Shabbir, A., Yang, Z., & Zhu, J. (1995).
A New k-epsilon Eddy Viscosity Model for High Reynolds Number
Turbulent Flows.
Computers and Fluids, 24(3), 227-238.
The default model coefficients are
realizableKECoeffs
{
A0 4.0;
C2 1.9;
sigmak 1.0;
sigmaEps 1.2;
}
Definition at line 77 of file realizableKE.H.
| typedef BasicMomentumTransportModel::alphaField alphaField |
Definition at line 132 of file realizableKE.H.
| typedef BasicMomentumTransportModel::rhoField rhoField |
Definition at line 133 of file realizableKE.H.
| realizableKE | ( | const alphaField & | alpha, |
| const rhoField & | rho, | ||
| const volVectorField & | U, | ||
| const surfaceScalarField & | alphaRhoPhi, | ||
| const surfaceScalarField & | phi, | ||
| const viscosity & | viscosity, | ||
| const word & | type = typeName |
||
| ) |
Construct from components.
Definition at line 140 of file realizableKE.C.
References Foam::bound(), realizableKE< BasicMomentumTransportModel >::boundEpsilon(), and realizableKE< BasicMomentumTransportModel >::k_.

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inlinevirtual |
Destructor.
Definition at line 155 of file realizableKE.H.
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protected |
Bound epsilon.
Definition at line 41 of file realizableKE.C.
References Foam::max(), and Foam::sqr().
Referenced by realizableKE< BasicMomentumTransportModel >::realizableKE().


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protected |
Definition at line 48 of file realizableKE.C.
References Foam::acos(), tmp< T >::clear(), Foam::cos(), Foam::dev(), Foam::magSqr(), Foam::max(), Foam::min(), Foam::fvm::S(), Foam::skew(), Foam::sqrt(), Foam::symm(), and Foam::W().

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protectedvirtual |
Correct the eddy-viscosity nut.
Definition at line 81 of file realizableKE.C.
References dictionary::New(), and Foam::sqr().

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protectedvirtual |
Correct the eddy-viscosity nut.
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Definition at line 96 of file realizableKE.C.
References Foam::dev(), Foam::fvc::grad(), Foam::magSqr(), Foam::sqrt(), Foam::symm(), and Foam::typedName().

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protectedvirtual |
Source term for the k equation.
Definition at line 107 of file realizableKE.C.
References Foam::dimTime, and Foam::dimVolume.
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protectedvirtual |
Source term for the epsilon equation.
Definition at line 123 of file realizableKE.C.
References Foam::dimTime, and Foam::dimVolume.
| TypeName | ( | "realizableKE< BasicMomentumTransportModel >" | ) |
Runtime type information.
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virtual |
Re-read model coefficients if they have changed.
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Definition at line 201 of file realizableKE.C.
References Foam::read().

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inline |
Return the effective diffusivity for k.
Definition at line 165 of file realizableKE.H.
References GeometricField< Type, GeoMesh, PrimitiveField >::New(), and eddyViscosity< RASModel< BasicMomentumTransportModel > >::nut_.

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inline |
Return the effective diffusivity for epsilon.
Definition at line 175 of file realizableKE.H.
References GeometricField< Type, GeoMesh, PrimitiveField >::New(), and eddyViscosity< RASModel< BasicMomentumTransportModel > >::nut_.

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inlinevirtual |
Return the turbulence kinetic energy.
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Definition at line 185 of file realizableKE.H.
References realizableKE< BasicMomentumTransportModel >::k_.
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inlinevirtual |
Return the turbulence kinetic energy dissipation rate.
Definition at line 191 of file realizableKE.H.
References realizableKE< BasicMomentumTransportModel >::epsilon_.
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inlinevirtual |
Return the turbulence specific dissipation rate.
Definition at line 197 of file realizableKE.H.
References realizableKE< BasicMomentumTransportModel >::epsilon_, realizableKE< BasicMomentumTransportModel >::k_, and GeometricField< Type, GeoMesh, PrimitiveField >::New().

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virtual |
Solve the turbulence equations and correct the turbulence viscosity.
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Definition at line 220 of file realizableKE.C.
References Foam::fvc::absolute(), alpha(), Foam::bound(), fvConstraints::constrain(), Foam::MULES::correct(), Foam::fvm::ddt(), Foam::dev(), Foam::fvc::div(), Foam::fvm::div(), fvConstraints(), fvModels(), Foam::constant::universal::G, Foam::fvc::grad(), Foam::fvm::laplacian(), Foam::magSqr(), Foam::max(), dictionary::New(), nut, tmp< T >::ref(), rho, Foam::solve(), fvModels::source(), Foam::fvm::Sp(), Foam::sqrt(), Foam::fvm::SuSp(), Foam::symm(), Foam::twoSymm(), Foam::typedName(), U, and GeometricField< Type, GeoMesh, PrimitiveField >::v().

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protected |
Definition at line 88 of file realizableKE.H.
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protected |
Definition at line 89 of file realizableKE.H.
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protected |
Definition at line 90 of file realizableKE.H.
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protected |
Definition at line 91 of file realizableKE.H.
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protected |
Definition at line 96 of file realizableKE.H.
Referenced by realizableKE< BasicMomentumTransportModel >::k(), realizableKE< BasicMomentumTransportModel >::omega(), and realizableKE< BasicMomentumTransportModel >::realizableKE().
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protected |
Definition at line 97 of file realizableKE.H.
Referenced by realizableKE< BasicMomentumTransportModel >::epsilon(), and realizableKE< BasicMomentumTransportModel >::omega().