Generalized k−ω (GEKO) Two-Equation Turbulence Model
Florian Menter, A A Matyushenko
Abstract
This paper describes a recently developed two-equation Reynolds-averaged Navier–Stokes (RANS) turbulence model called Generalized [Formula: see text] (GEKO). The model is formulated to include tunable coefficients that can be utilized to adjust the model’s behavior to specific application cases. Contrary to existing models, where model coefficients are inter-related and tightly connected to basic validation cases, the newly introduced coefficients are independent from one another and can be adjusted within given ranges without negative effects on the essential model calibration for wall-bounded flows.
Topics & Concepts
Reynolds-averaged Navier–Stokes equationsTurbulenceK-epsilon turbulence modelTurbulence modelingK-omega turbulence modelBounded functionReynolds stress equation modelMathematicsApplied mathematicsCalibrationPhysicsMathematical analysisStatistical physicsMechanicsStatisticsFluid Dynamics and Turbulent FlowsWind and Air Flow StudiesComputational Fluid Dynamics and Aerodynamics