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 > | sigma () 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< volSymmTensorField > | devTau () const |
Return the effective stress tensor. 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... | |
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 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(), realizableKE< BasicMomentumTransportModel >::k_, and Foam::type().
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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 236 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, PatchField, GeoMesh >::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, PatchField, GeoMesh >::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, PatchField, GeoMesh >::New().
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virtual |
Solve the turbulence equations and correct the turbulence viscosity.
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Definition at line 255 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, PatchField, GeoMesh >::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().