Base class implementation of the k-omega-SST turbulence model for incompressible and compressible flows. More...
Public Types | |
typedef BasicEddyViscosityModel::alphaField | alphaField |
typedef BasicEddyViscosityModel::rhoField | rhoField |
typedef BasicEddyViscosityModel::transportModel | transportModel |
Public Member Functions | |
kOmegaSSTBase (const kOmegaSSTBase &)=delete | |
No copy construct. More... | |
void | operator= (const kOmegaSSTBase &)=delete |
No copy assignment. More... | |
kOmegaSSTBase (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... | |
virtual | ~kOmegaSSTBase ()=default |
Destructor. More... | |
virtual bool | read () |
Re-read model coefficients if they have changed. 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 > | omega () const |
Return the turbulence kinetic energy dissipation rate. More... | |
virtual void | correct () |
Solve the turbulence equations and correct the turbulence viscosity. More... | |
Protected Attributes | |
dimensionedScalar | alphaK1_ |
dimensionedScalar | alphaK2_ |
dimensionedScalar | alphaOmega1_ |
dimensionedScalar | alphaOmega2_ |
dimensionedScalar | gamma1_ |
dimensionedScalar | gamma2_ |
dimensionedScalar | beta1_ |
dimensionedScalar | beta2_ |
dimensionedScalar | betaStar_ |
dimensionedScalar | a1_ |
dimensionedScalar | b1_ |
dimensionedScalar | c1_ |
Switch | F3_ |
Flag to include the F3 term. More... | |
const volScalarField & | y_ |
Wall distance. More... | |
volScalarField | k_ |
Turbulent kinetic energy field [m^2/s^2]. More... | |
volScalarField | omega_ |
Specific dissipation rate field [1/s]. More... | |
Switch | decayControl_ |
Flag to include the decay control. More... | |
dimensionedScalar | kInf_ |
dimensionedScalar | omegaInf_ |
Base class implementation of the k-omega-SST turbulence model for incompressible and compressible flows.
Turbulence model described in:
Menter, F. R. & Esch, T. (2001). Elements of Industrial Heat Transfer Prediction. 16th Brazilian Congress of Mechanical Engineering (COBEM).
with updated coefficients from
Menter, F. R., Kuntz, M., and Langtry, R. (2003). Ten Years of Industrial Experience with the SST Turbulence Model. Turbulence, Heat and Mass Transfer 4, ed: K. Hanjalic, Y. Nagano, & M. Tummers, Begell House, Inc., 625 - 632.
but with the consistent production terms from the 2001 paper as form in the 2003 paper is a typo, see
http://turbmodels.larc.nasa.gov/sst.html
and the addition of the optional F3 term for rough walls from
Hellsten, A. (1998). Some Improvements in Menter's k-omega-SST turbulence model 29th AIAA Fluid Dynamics Conference, AIAA-98-2554.
and the optional decay control from:
Spalart, P. R. and Rumsey, C. L. (2007). Effective Inflow Conditions for Turbulence Models in Aerodynamic Calculations AIAA Journal, 45(10), 2544 - 2553.
Note that this implementation is written in terms of alpha diffusion coefficients rather than the more traditional sigma (alpha = 1/sigma) so that the blending can be applied to all coefficients in a consistent manner. The paper suggests that sigma is blended but this would not be consistent with the blending of the k-epsilon and k-omega models.
Also note that the error in the last term of equation (2) relating to sigma has been corrected.
Wall-functions are applied in this implementation by using equations (14) to specify the near-wall omega as appropriate.
The blending functions (15) and (16) are not currently used because of the uncertainty in their origin, range of applicability and that if y+ becomes sufficiently small blending u_tau in this manner clearly becomes nonsense.
The default model coefficients are
kOmegaSSTBaseCoeffs { alphaK1 0.85; alphaK2 1.0; 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 1.0; c1 10.0; F3 no; // Optional decay control decayControl yes; kInf \<far-field k value\>; omegaInf \<far-field omega value\>; }
Definition at line 125 of file kOmegaSSTBase.H.
typedef BasicEddyViscosityModel::alphaField alphaField |
Definition at line 324 of file kOmegaSSTBase.H.
typedef BasicEddyViscosityModel::rhoField rhoField |
Definition at line 325 of file kOmegaSSTBase.H.
typedef BasicEddyViscosityModel::transportModel transportModel |
Definition at line 326 of file kOmegaSSTBase.H.
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delete |
No copy construct.
kOmegaSSTBase | ( | 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.
Definition at line 233 of file kOmegaSSTBase.C.
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virtualdefault |
Destructor.
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protected |
Set decay control with kInf and omegaInf.
Definition at line 442 of file kOmegaSSTBase.C.
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protectedvirtual |
Reimplemented in kOmegaSSTLM< BasicTurbulenceModel >.
Definition at line 37 of file kOmegaSSTBase.C.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::alphaK(), kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::alphaOmega(), kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::blend(), kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::DkEff(), and kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::DomegaEff().
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protectedvirtual |
Definition at line 66 of file kOmegaSSTBase.C.
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protectedvirtual |
Definition at line 83 of file kOmegaSSTBase.C.
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protectedvirtual |
Definition at line 96 of file kOmegaSSTBase.C.
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inlineprotected |
Return the blended field.
Definition at line 206 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::alphaK(), kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::alphaOmega(), kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::beta(), and kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::gamma().
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inlineprotected |
Return the internal blended field.
Definition at line 219 of file kOmegaSSTBase.H.
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inlineprotected |
Definition at line 228 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::DkEff().
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inlineprotected |
Definition at line 233 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::DomegaEff().
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inlineprotected |
Definition at line 239 of file kOmegaSSTBase.H.
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inlineprotected |
Definition at line 251 of file kOmegaSSTBase.H.
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protectedvirtual |
Reimplemented in kOmegaSSTSato< BasicTurbulenceModel >, kOmegaSST< BasicTurbulenceModel >, and kOmegaSSTDES< BasicTurbulenceModel >.
Definition at line 111 of file kOmegaSSTBase.C.
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protectedvirtual |
Reimplemented in kOmegaSST< BasicTurbulenceModel >, and kOmegaSSTDES< BasicTurbulenceModel >.
Definition at line 123 of file kOmegaSSTBase.C.
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protectedvirtual |
Return square of strain rate.
Reimplemented in kOmegaSSTDES< BasicTurbulenceModel >, and kOmegaSSTDDES< BasicTurbulenceModel >.
Definition at line 131 of file kOmegaSSTBase.C.
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protectedvirtual |
Return k production rate.
Definition at line 141 of file kOmegaSSTBase.C.
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protectedvirtual |
Return epsilon/k which for standard RAS is betaStar*omega.
Reimplemented in kOmegaSSTLM< BasicTurbulenceModel >, and kOmegaSSTDES< BasicTurbulenceModel >.
Definition at line 151 of file kOmegaSSTBase.C.
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protectedvirtual |
Return (G/nu)_0.
Reimplemented in kOmegaSSTDES< BasicTurbulenceModel >, and kOmegaSSTDDES< BasicTurbulenceModel >.
Definition at line 162 of file kOmegaSSTBase.C.
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protectedvirtual |
Return G/nu.
Definition at line 177 of file kOmegaSSTBase.C.
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protectedvirtual |
Definition at line 192 of file kOmegaSSTBase.C.
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protectedvirtual |
Definition at line 203 of file kOmegaSSTBase.C.
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protectedvirtual |
Definition at line 215 of file kOmegaSSTBase.C.
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delete |
No copy assignment.
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virtual |
Re-read model coefficients if they have changed.
Reimplemented in kOmegaSSTLM< BasicTurbulenceModel >, kOmegaSSTSato< BasicTurbulenceModel >, kOmegaSSTDES< BasicTurbulenceModel >, kOmegaSSTSAS< BasicTurbulenceModel >, kOmegaSSTDDES< BasicTurbulenceModel >, and kOmegaSSTIDDES< BasicTurbulenceModel >.
Definition at line 465 of file kOmegaSSTBase.C.
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inline |
Return the effective diffusivity for k.
Definition at line 376 of file kOmegaSSTBase.H.
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inline |
Return the effective diffusivity for omega.
Definition at line 388 of file kOmegaSSTBase.H.
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inlinevirtual |
Return the turbulence kinetic energy.
Definition at line 400 of file kOmegaSSTBase.H.
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inlinevirtual |
Return the turbulence kinetic energy dissipation rate.
Definition at line 408 of file kOmegaSSTBase.H.
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virtual |
Solve the turbulence equations and correct the turbulence viscosity.
1. Explicitly swap values on coupled boundary conditions
Update omega and G at the wall
Reimplemented in kOmegaSSTLM< BasicTurbulenceModel >, and kOmegaSSTSato< BasicTurbulenceModel >.
Definition at line 493 of file kOmegaSSTBase.C.
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protected |
Definition at line 135 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::alphaK().
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protected |
Definition at line 136 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::alphaK().
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protected |
Definition at line 138 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::alphaOmega().
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protected |
Definition at line 139 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::alphaOmega().
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protected |
Definition at line 141 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::gamma().
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protected |
Definition at line 142 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::gamma().
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protected |
Definition at line 144 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::beta().
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protected |
Definition at line 145 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::beta().
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protected |
Definition at line 147 of file kOmegaSSTBase.H.
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protected |
Definition at line 149 of file kOmegaSSTBase.H.
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protected |
Definition at line 150 of file kOmegaSSTBase.H.
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protected |
Definition at line 151 of file kOmegaSSTBase.H.
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protected |
Flag to include the F3 term.
Definition at line 156 of file kOmegaSSTBase.H.
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protected |
Wall distance.
Note: different to wall distance in parent RASModel which is for near-wall cells only
Definition at line 167 of file kOmegaSSTBase.H.
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protected |
Turbulent kinetic energy field [m^2/s^2].
Definition at line 172 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::k().
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protected |
Specific dissipation rate field [1/s].
Definition at line 177 of file kOmegaSSTBase.H.
Referenced by kOmegaSSTBase< eddyViscosity< RASModel< BasicTurbulenceModel > > >::omega().
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protected |
Flag to include the decay control.
Definition at line 185 of file kOmegaSSTBase.H.
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protected |
Definition at line 186 of file kOmegaSSTBase.H.
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protected |
Definition at line 187 of file kOmegaSSTBase.H.
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