[CFD] The k - omega SST Turbulence Model

[CFD] The k - omega SST Turbulence Model
An introduction to the k - omega SST turbulence model that is used by all mainstream CFD codes (OpenFOAM, Fluent, CFX, Star, COMSOL, Saturne). The following topics are covered:
1) 6:18 How is the k - omega SST model different to the k - omega and k - epsilon models?
2) 9:21 What is the blending function F1?
3) 13:18 What is the difference between the k- omega BST and k - omega SST models?
4) 14:00 What is the viscosity limiter and why is it used?
#kOmegaSST #fluidmechanics101 #cfd
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Some useful references:
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1) Christopher Rumsey
NASA Langley Research Centre - Turbulence Modelling Resource
turbmodels.larc.nasa.gov/sst....
2) Menter, F. R.
Two-Equation Eddy-Viscosity Turbulence Models for Engineering Applications
AIAA Journal, Vol. 32, No. 8, August 1994, pp. 1598-1605.
arc.aiaa.org/doi/10.2514/3.12149
3) Apsley, D. D., Leschziner, M. A.
Advanced turbulence modelling of separated flow in a diffuser
Flow, Turbulence and Combustion 63, (2000), 81--112
link.springer.com/article/10....
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Disclaimer
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The methods, algorithms, equations, formulae, diagrams and explanations in this talk are for educational and demonstrative purposes only. They should never be used to analyse, design, accredit or validate real scientific / engineering / mathematical structures and flow systems. For such applications, appropriate trained, qualified and accredited (SQEP) engineers / scientists should be consulted along with the appropriate documentation, procedures and engineering standards. Furthermore, the information contained within this talk has not been verified, peer reviewed or checked in any way and is likely to contain several errors. It is therefore not appropriate to use this talk itself (or any of the algorithms, equations, formulae, diagrams and explanations contained within this talk) as an academic or technical reference. The reader should consult the original references and follow the verification and validation processes adopted by your company / institution when carrying out engineering calculations and analyses. Fluid Mechanics 101 and Dr. Aidan Wimshurst are not accountable or liable in any form for the use or misuse of the information contained in this talk beyond the specific educational and demonstrative purposes for which it was intended.