Langtry-Menter 4-equation transitional SST model based on the k-omega-SST RAS model. More...


Public Types | |
| typedef BasicTurbulenceModel::alphaField | alphaField |
| typedef BasicTurbulenceModel::rhoField | rhoField |
| typedef BasicTurbulenceModel::transportModel | transportModel |
Public Types inherited from kOmegaSST< BasicTurbulenceModel > | |
| typedef BasicTurbulenceModel::alphaField | alphaField |
| typedef BasicTurbulenceModel::rhoField | rhoField |
| typedef BasicTurbulenceModel::transportModel | transportModel |
Public Types inherited from kOmegaSST< eddyViscosity< RASModel< BasicTurbulenceModel > >, BasicTurbulenceModel > | |
| typedef BasicTurbulenceModel::alphaField | alphaField |
| typedef BasicTurbulenceModel::rhoField | rhoField |
| typedef BasicTurbulenceModel::transportModel | transportModel |
Public Types inherited from eddyViscosity< RASModel< BasicTurbulenceModel > > | |
| typedef RASModel< BasicTurbulenceModel > ::alphaField | alphaField |
| typedef RASModel< BasicTurbulenceModel > ::rhoField | rhoField |
| typedef RASModel< BasicTurbulenceModel > ::transportModel | transportModel |
Public Types inherited from linearViscousStress< RASModel< BasicTurbulenceModel > > | |
| typedef RASModel< BasicTurbulenceModel > ::alphaField | alphaField |
| typedef RASModel< BasicTurbulenceModel > ::rhoField | rhoField |
| typedef RASModel< BasicTurbulenceModel > ::transportModel | transportModel |
Public Types inherited from RASModel< BasicTurbulenceModel > | |
| typedef BasicTurbulenceModel::alphaField | alphaField |
| typedef BasicTurbulenceModel::rhoField | rhoField |
| typedef BasicTurbulenceModel::transportModel | transportModel |
Public Member Functions | |
| TypeName ("kOmegaSSTLM") | |
| Runtime type information. More... | |
| kOmegaSSTLM (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName, const word &type=typeName) | |
| Construct from components. More... | |
| virtual | ~kOmegaSSTLM () |
| Destructor. More... | |
| virtual bool | read () |
| Re-read model coefficients if they have changed. More... | |
| const volScalarField & | ReThetat () const |
| Access function transition onset momentum-thickness Reynolds number. More... | |
| const volScalarField & | gammaInt () const |
| Access function to intermittency. More... | |
| tmp< volScalarField > | DReThetatEff () const |
| Return the effective diffusivity for transition onset. More... | |
| tmp< volScalarField > | DgammaIntEff () const |
| Return the effective diffusivity for intermittency. More... | |
| virtual void | correct () |
| Solve the turbulence equations and correct the turbulence viscosity. More... | |
Public Member Functions inherited from kOmegaSST< BasicTurbulenceModel > | |
| TypeName ("kOmegaSST") | |
| Runtime type information. More... | |
| kOmegaSST (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName, const word &type=typeName) | |
| Construct from components. More... | |
| virtual | ~kOmegaSST () |
| Destructor. More... | |
Public Member Functions inherited from kOmegaSST< eddyViscosity< RASModel< BasicTurbulenceModel > >, BasicTurbulenceModel > | |
| kOmegaSST (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName) | |
| Construct from components. More... | |
| tmp< volScalarField > | DkEff (const volScalarField &F1) const |
| Return the effective diffusivity for k. More... | |
| tmp< volScalarField > | DomegaEff (const volScalarField &F1) const |
| Return the effective diffusivity for omega. 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 kinetic energy dissipation rate. More... | |
Public Member Functions inherited from eddyViscosity< RASModel< BasicTurbulenceModel > > | |
| eddyViscosity (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName) | |
| 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. More... | |
| virtual void | validate () |
| Validate the turbulence fields after construction. More... | |
Public Member Functions inherited from linearViscousStress< RASModel< BasicTurbulenceModel > > | |
| linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName) | |
| Construct from components. More... | |
| virtual | ~linearViscousStress () |
| Destructor. More... | |
| virtual tmp< volSymmTensorField > | devRhoReff () const |
| Return the effective stress tensor. More... | |
| virtual tmp< fvVectorMatrix > | divDevRhoReff (volVectorField &U) const |
| Return the source term for the momentum equation. More... | |
| virtual tmp< fvVectorMatrix > | divDevRhoReff (const volScalarField &rho, volVectorField &U) const |
| Return the source term for the momentum equation. More... | |
Public Member Functions inherited from RASModel< BasicTurbulenceModel > | |
| TypeName ("RAS") | |
| Runtime type information. More... | |
| declareRunTimeSelectionTable (autoPtr, RASModel, dictionary,(const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName),(alpha, rho, U, alphaRhoPhi, phi, transport, propertiesName)) | |
| RASModel (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName) | |
| Construct from components. More... | |
| virtual | ~RASModel () |
| Destructor. More... | |
| const dimensionedScalar & | kMin () const |
| Return the lower allowable limit for k (default: SMALL) More... | |
| const dimensionedScalar & | epsilonMin () const |
| Return the lower allowable limit for epsilon (default: SMALL) More... | |
| const dimensionedScalar & | omegaMin () const |
| Return the lower allowable limit for omega (default: SMALL) More... | |
| dimensionedScalar & | kMin () |
| Allow kMin to be changed. More... | |
| dimensionedScalar & | epsilonMin () |
| Allow epsilonMin to be changed. More... | |
| dimensionedScalar & | omegaMin () |
| Allow omegaMin to be changed. More... | |
| virtual const dictionary & | coeffDict () const |
| Const access to the coefficients dictionary. More... | |
| virtual tmp< volScalarField > | nuEff () const |
| Return the effective viscosity. More... | |
| virtual tmp< scalarField > | nuEff (const label patchi) const |
| Return the effective viscosity on patch. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from RASModel< BasicTurbulenceModel > | |
| static autoPtr< RASModel > | New (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName) |
| Return a reference to the selected RAS model. More... | |
Langtry-Menter 4-equation transitional SST model based on the k-omega-SST RAS model.
Langtry, R. B., & Menter, F. R. (2009).
Correlation-based transition modeling for unstructured parallelized
computational fluid dynamics codes.
AIAA journal, 47(12), 2894-2906.
Menter, F. R., Langtry, R., & Volker, S. (2006).
Transition modelling for general purpose CFD codes.
Flow, turbulence and combustion, 77(1-4), 277-303.
Langtry, R. B. (2006).
A correlation-based transition model using local variables for
unstructured parallelized CFD codes.
Phd. Thesis, Universität Stuttgart.
The model coefficients are
kOmegaSSTCoeffs
{
// Default SST coefficients
alphaK1 0.85;
alphaK2 1;
alphaOmega1 0.5;
alphaOmega2 0.856;
beta1 0.075;
beta2 0.0828;
betaStar 0.09;
gamma1 5/9;
gamma2 0.44;
a1 0.31;
b1 1;
c1 10;
F3 no;
// Default LM coefficients
ca1 2;
ca2 0.06;
ce1 1;
ce2 50;
cThetat 0.03;
sigmaThetat 2;
lambdaErr 1e-6;
maxLambdaIter 10;
}
Definition at line 104 of file kOmegaSSTLM.H.
| typedef BasicTurbulenceModel::alphaField alphaField |
Definition at line 212 of file kOmegaSSTLM.H.
| typedef BasicTurbulenceModel::rhoField rhoField |
Definition at line 213 of file kOmegaSSTLM.H.
| typedef BasicTurbulenceModel::transportModel transportModel |
Definition at line 214 of file kOmegaSSTLM.H.
| kOmegaSSTLM | ( | const alphaField & | alpha, |
| const rhoField & | rho, | ||
| const volVectorField & | U, | ||
| const surfaceScalarField & | alphaRhoPhi, | ||
| const surfaceScalarField & | phi, | ||
| const transportModel & | transport, | ||
| const word & | propertiesName = turbulenceModel::propertiesName, |
||
| const word & | type = typeName |
||
| ) |
Construct from components.
Definition at line 357 of file kOmegaSSTLM.C.
|
inlinevirtual |
Destructor.
Definition at line 238 of file kOmegaSSTLM.H.
References kOmegaSSTLM< BasicTurbulenceModel >::read().

|
protectedvirtual |
Modified form of the k-omega SST F1 function.
Reimplemented from kOmegaSST< eddyViscosity< RASModel< BasicTurbulenceModel > >, BasicTurbulenceModel >.
Definition at line 39 of file kOmegaSSTLM.C.
References Foam::exp(), F3, Foam::max(), nu, kOmegaSSTLM< BasicTurbulenceModel >::Pk(), Foam::pow(), Foam::Ry(), and Foam::sqrt().

|
protectedvirtual |
Modified form of the k-omega SST k production rate.
Definition at line 52 of file kOmegaSSTLM.C.
References kOmegaSSTLM< BasicTurbulenceModel >::epsilonByk(), and kOmegaSST< eddyViscosity< RASModel< BasicTurbulenceModel > >, BasicTurbulenceModel >::Pk().
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::F1().


|
protectedvirtual |
Modified form of the k-omega SST epsilon/k.
Definition at line 62 of file kOmegaSSTLM.C.
References kOmegaSST< eddyViscosity< RASModel< BasicTurbulenceModel > >, BasicTurbulenceModel >::epsilonByk(), kOmegaSSTLM< BasicTurbulenceModel >::Fthetat(), Foam::max(), and Foam::min().
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::Pk().


|
protected |
Freestream blending-function.
Definition at line 75 of file kOmegaSSTLM.C.
References delta, Foam::exp(), IOobject::groupName(), Foam::max(), Foam::min(), Foam::pow4(), Foam::sqr(), and y.
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::epsilonByk().


|
protected |
Empirical correlation for critical Reynolds number where the.
intermittency first starts to increase in the boundary layer
Definition at line 109 of file kOmegaSSTLM.C.
References Foam::dimless, kOmegaSSTLM< BasicTurbulenceModel >::Flength(), forAll, IOobject::groupName(), Foam::pow3(), Foam::pow4(), and Foam::sqr().

|
protected |
Empirical correlation that controls the length of the.
transition region
Definition at line 150 of file kOmegaSSTLM.C.
References Foam::dimless, Foam::e, Foam::exp(), forAll, IOobject::groupName(), Foam::pow3(), kOmegaSSTLM< BasicTurbulenceModel >::ReThetat0(), Foam::sqr(), and y.
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::ReThetac().


|
protected |
Transition onset location control function.
Definition at line 327 of file kOmegaSSTLM.C.
References IOobject::groupName(), Foam::max(), Foam::min(), Foam::pow3(), and Foam::pow4().
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::ReThetat0().


|
protected |
Return the transition onset momentum-thickness Reynolds number.
(based on freestream conditions)
Definition at line 213 of file kOmegaSSTLM.C.
References Foam::dimless, Foam::endl(), Foam::exp(), kOmegaSSTLM< BasicTurbulenceModel >::Fonset(), forAll, IOobject::groupName(), k, lambda(), Foam::mag(), Foam::max(), Foam::min(), Foam::pow(), Foam::pow3(), Foam::sqr(), Foam::sqrt(), and WarningInFunction.
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::Flength().


|
protected |
Solve the turbulence equations and correct the turbulence viscosity.
Definition at line 509 of file kOmegaSSTLM.C.
References Foam::constant::atomic::alpha, Foam::bound(), tmp< T >::clear(), optionList::constrain(), optionList::correct(), Foam::fvm::ddt(), Foam::fvm::div(), Foam::exp(), fvOptions, Foam::fvc::grad(), k, Foam::fvm::laplacian(), Foam::mag(), Foam::magSqr(), Foam::max(), Foam::min(), options::New(), nu, Foam::pow4(), tmp< T >::ref(), rho, Foam::skew(), Foam::solve(), Foam::fvm::Sp(), Foam::sqr(), Foam::sqrt(), Foam::symm(), U, and y.

| TypeName | ( | "kOmegaSSTLM< BasicTurbulenceModel >" | ) |
Runtime type information.
|
virtual |
Re-read model coefficients if they have changed.
Reimplemented from kOmegaSST< eddyViscosity< RASModel< BasicTurbulenceModel > >, BasicTurbulenceModel >.
Definition at line 486 of file kOmegaSSTLM.C.
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::~kOmegaSSTLM().

|
inline |
Access function transition onset momentum-thickness Reynolds number.
Definition at line 248 of file kOmegaSSTLM.H.
References kOmegaSSTLM< BasicTurbulenceModel >::ReThetat_.
|
inline |
Access function to intermittency.
Definition at line 254 of file kOmegaSSTLM.H.
References kOmegaSSTLM< BasicTurbulenceModel >::DReThetatEff(), kOmegaSSTLM< BasicTurbulenceModel >::gammaInt_, nu, and eddyViscosity< RASModel< BasicTurbulenceModel > >::nut_.

|
inline |
Return the effective diffusivity for transition onset.
momentum-thickness Reynolds number
Definition at line 261 of file kOmegaSSTLM.H.
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::gammaInt().

|
inline |
Return the effective diffusivity for intermittency.
Definition at line 274 of file kOmegaSSTLM.H.
References kOmegaSSTLM< BasicTurbulenceModel >::correct(), nu, and eddyViscosity< RASModel< BasicTurbulenceModel > >::nut_.

|
virtual |
Solve the turbulence equations and correct the turbulence viscosity.
Reimplemented from kOmegaSST< eddyViscosity< RASModel< BasicTurbulenceModel > >, BasicTurbulenceModel >.
Definition at line 607 of file kOmegaSSTLM.C.
References kOmegaSST< eddyViscosity< RASModel< BasicTurbulenceModel > >, BasicTurbulenceModel >::correct().
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::DgammaIntEff().


|
protected |
Definition at line 121 of file kOmegaSSTLM.H.
|
protected |
Definition at line 122 of file kOmegaSSTLM.H.
|
protected |
Definition at line 124 of file kOmegaSSTLM.H.
|
protected |
Definition at line 125 of file kOmegaSSTLM.H.
|
protected |
Definition at line 127 of file kOmegaSSTLM.H.
|
protected |
Definition at line 128 of file kOmegaSSTLM.H.
|
protected |
Convergence criterion for the lambda/thetat loop.
Definition at line 131 of file kOmegaSSTLM.H.
|
protected |
Maximum number of iterations to converge the lambda/thetat loop.
Definition at line 134 of file kOmegaSSTLM.H.
|
protected |
Stabilization for division by the magnitude of the velocity.
Definition at line 137 of file kOmegaSSTLM.H.
|
protected |
Transition onset momentum-thickness Reynolds number.
Definition at line 143 of file kOmegaSSTLM.H.
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::ReThetat().
|
protected |
Intermittency.
Definition at line 146 of file kOmegaSSTLM.H.
Referenced by kOmegaSSTLM< BasicTurbulenceModel >::gammaInt().
|
protected |
Effective intermittency.
Definition at line 149 of file kOmegaSSTLM.H.
1.8.13