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Review of the shear-stress transport turbulence model experience from an industrial perspective

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The present author was asked to provide an update on the status and the more recent developments around the shear-stress transport (SST) turbulence model for this special issue of the journal. The article is therefore not intended as a comprehensive overview of the status of engineering turbulence modelling in general, nor on the overall turbulence modelling strategy for ANSYS computational fluid dynamics (CFD) in particular. It is clear from many decades of turbulence modelling that no single model - nor even a single modelling approach - can solve all engineering flows. Any successful CFD code will therefore have to offer a wide range of models from simple Eddy-viscosity models through second moment closures all the way to the variety of unsteady modelling concepts currently under development. This article is solely intended to outline the role of the concepts behind the SST model in current and future CFD simulations of engineering flows.
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Keywords: SAS; SST turbulence model; engineering flows; laminar-turbulent transition; scale-adaptive simulation; unsteady flows

Document Type: Research Article

Affiliations: ANSYS Germany GMBH, Otterfing, Germany

Publication date: 2009-04-01

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