[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 ================================================ Some useful references: ================================================ 1) Christopher Rumsey NASA Langley Research Centre - Turbulence Modelling Resource https://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. https://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 https://link.springer.com/article/10.... ============================================ Want to learn more? ============================================ Grab a copy of my CFD Fundamentals Course (for beginners): https://www.udemy.com/course/computat... Learn how to write your own CFD code in MATLAB and python (for intermediates): https://dr-aidan-wimshurst-s-school.t... Learn how I draw my figures and diagrams in Inkscape (for everyone): https://dr-aidan-wimshurst-s-school.t... ============================================ Did you like the video? ============================================ Download the lecture slides from my website: https://www.fluidmechanics101.com/pag... Buy me a coffee to say thanks: https://www.buymeacoffee.com/NKEZrhvg0 Support the channel on Patreon (and get useful extras for your CFD studies):   / fluidmechanics101   ============================================ Donations: ============================================ 1) PayPal https://www.paypal.me/fluidmechanics101 ================================== Disclaimer ================================== 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.