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Volume 11
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10.3390/app11062459
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Article

An Overview of Hybrid RANS–LES Models Developed for Industrial CFD

by
Florian Menter
1,*,
Andreas Hüppe
1,
Alexey Matyushenko
2 and
Dmitry Kolmogorov
2
1
ANSYS Germany GmbH, Staudenfeldweg 20, 83624 Warngau, Germany
2
Peter the Great St. Petersburg Polytechnic University (SPbPU), Laboratory of Computational Aeroacoustics and Turbulence, Polytechnicheskaya, 29, 195251 St. Petersburg, Russia
*
Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(6), 2459; https://doi.org/10.3390/app11062459
Submission received: 8 January 2021 / Revised: 24 February 2021 / Accepted: 26 February 2021 / Published: 10 March 2021
(This article belongs to the Special Issue Hybrid Turbulence Modelling for Engineering Applications)
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Abstract

An overview of scale-resolving simulation (SRS) methods used in ANSYS Computational Fluid Dynamics (CFD) software is provided. The main challenges, especially when computing boundary layers in large eddy simulation (LES) mode, will be discussed. The different strategies for handling wall-bound flows using combinations of RANS and LES models will be explained, along with some specific application examples. It will be demonstrated that the stress-blended eddy simulation (SBES) approach is optimal for applications with a mix of boundary layers and free shear flows due to its low cost and its ability to handle boundary layers in both RANS and wall-modeled LES (WMLES) modes.
Keywords: turbulence modeling; scale-resolving simulations (SRS); hybrid RANS–LES methods; stress-blended eddy simulation (SBES); generalized k-ω (GEKO) turbulence modeling; scale-resolving simulations (SRS); hybrid RANS–LES methods; stress-blended eddy simulation (SBES); generalized k-ω (GEKO)

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MDPI and ACS Style

Menter, F.; Hüppe, A.; Matyushenko, A.; Kolmogorov, D. An Overview of Hybrid RANS–LES Models Developed for Industrial CFD. Appl. Sci. 2021, 11, 2459. https://doi.org/10.3390/app11062459

AMA Style

Menter F, Hüppe A, Matyushenko A, Kolmogorov D. An Overview of Hybrid RANS–LES Models Developed for Industrial CFD. Applied Sciences. 2021; 11(6):2459. https://doi.org/10.3390/app11062459

Chicago/Turabian Style

Menter, Florian, Andreas Hüppe, Alexey Matyushenko, and Dmitry Kolmogorov. 2021. "An Overview of Hybrid RANS–LES Models Developed for Industrial CFD" Applied Sciences 11, no. 6: 2459. https://doi.org/10.3390/app11062459

APA Style

Menter, F., Hüppe, A., Matyushenko, A., & Kolmogorov, D. (2021). An Overview of Hybrid RANS–LES Models Developed for Industrial CFD. Applied Sciences, 11(6), 2459. https://doi.org/10.3390/app11062459

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