RAS Models for Incompressible Flows

OpenFOAM includes the following models for incompressible, i.e. constant density, flows:

LRR
Launder, Reece and Rodi Reynolds-stress turbulence model for incompressible and compressible flows.
LamBremhorstKE
Lam and Bremhorst low-Reynolds number k-epsilon turbulence model for incompressible flows
LaunderSharmaKE
Launder and Sharma low-Reynolds k-epsilon turbulence model for incompressible and compressible and combusting flows including rapid distortion theory (RDT) based compression term.
LienCubicKE
Lien cubic non-linear low-Reynolds k-epsilon turbulence models for incompressible flows.
LienLeschziner
Lien and Leschziner low-Reynolds number k-epsilon turbulence model for incompressible flows.
RNGkEpsilon
Renormalization group k-epsilon turbulence model for incompressible and compressible flows.
SSG
Speziale, Sarkar and Gatski Reynolds-stress turbulence model for incompressible and compressible flows.
ShihQuadraticKE
Shih’s quadratic algebraic Reynolds stress k-epsilon turbulence model for incompressible flows
SpalartAllmaras
Spalart-Allmaras one-eqn mixing-length model for incompressible and compressible external flows.
kEpsilon
Standard k-epsilon turbulence model for incompressible and compressible flows including rapid distortion theory (RDT) based compression term.
kOmega
Standard high Reynolds-number k-omega turbulence model for incompressible and compressible flows.
kOmegaSSTSAS
Scale-adaptive URAS model based on the k-omega-SST RAS model.
kkLOmega
Low Reynolds-number k-kl-omega turbulence model for incompressible flows.
qZeta
Gibson and Dafa’Alla’s q-zeta two-equation low-Re turbulence model for incompressible flows
realizableKE
Realizable k-epsilon turbulence model for incompressible and compressible flows.
v2f
Lien and Kalitzin’s v2-f turbulence model for incompressible and compressible flows, with a limit imposed on the turbulent viscosity given by Davidson et al.

RAS Models for Compressible Flows

OpenFOAM includes the following models for compressible, i.e. variable density, flows:

LRR
Launder, Reece and Rodi Reynolds-stress turbulence model for incompressible and compressible flows.
LaunderSharmaKE
Launder and Sharma low-Reynolds k-epsilon turbulence model for incompressible and compressible and combusting flows including rapid distortion theory (RDT) based compression term.
RNGkEpsilon
Renormalization group k-epsilon turbulence model for incompressible and compressible flows.
SSG
Speziale, Sarkar and Gatski Reynolds-stress turbulence model for incompressible and compressible flows.
SpalartAllmaras
Spalart-Allmaras one-eqn mixing-length model for incompressible and compressible external flows.
buoyantKEpsilon
Additional buoyancy generation/dissipation term applied to the k and epsilon equations of the standard k-epsilon model.
kEpsilon
Standard k-epsilon turbulence model for incompressible and compressible flows including rapid distortion theory (RDT) based compression term.
kOmega
Standard high Reynolds-number k-omega turbulence model for incompressible and compressible flows.
kOmegaSSTSAS
Scale-adaptive URAS model based on the k-omega-SST RAS model.
realizableKE
Realizable k-epsilon turbulence model for incompressible and compressible flows.
v2f
Lien and Kalitzin’s v2-f turbulence model for incompressible and compressible flows, with a limit imposed on the turbulent viscosity given by Davidson et al.

RAS Models for Compressible Multiphase Flows

OpenFOAM includes the following models for compressible multiphase flows, e.g. bubbly flows:

LaheyKEpsilon
Continuous-phase k-epsilon model including bubble-generated turbulence.
continuousGasKEpsilon
k-epsilon model for the gas-phase in a two-phase system supporting phase-inversion.
kOmegaSSTSato
Implementation of the k-omega-SST turbulence model for dispersed bubbly flows with Sato (1981) bubble induced turbulent viscosity model.
mixtureKEpsilon
Mixture k-epsilon turbulence model for two-phase gas-liquid systems.