Wall-modeled large-eddy simulation for complex turbulent flows

ST Bose, GI Park - Annual review of fluid mechanics, 2018 - annualreviews.org
Large-eddy simulation (LES) has proven to be a computationally tractable approach to
simulate unsteady turbulent flows. However, prohibitive resolution requirements induced by …

A review of turbulent skin-friction drag reduction by near-wall transverse forcing

P Ricco, M Skote, MA Leschziner - Progress in Aerospace Sciences, 2021 - Elsevier
The quest for reductions in fuel consumption and CO 2 emissions in transport has been a
powerful driving force for scientific research into methods that might underpin drag-reducing …

Scientific multi-agent reinforcement learning for wall-models of turbulent flows

HJ Bae, P Koumoutsakos - Nature Communications, 2022 - nature.com
The predictive capabilities of turbulent flow simulations, critical for aerodynamic design and
weather prediction, hinge on the choice of turbulence models. The abundance of data from …

Coherent structures in wall-bounded turbulence

J Jiménez - Journal of Fluid Mechanics, 2018 - cambridge.org
This article discusses the description of wall-bounded turbulence as a deterministic high-
dimensional dynamical system of interacting coherent structures, defined as eddies with …

Turbulent boundary layers around wing sections up to Rec= 1,000,000

R Vinuesa, PS Negi, M Atzori, A Hanifi… - International Journal of …, 2018 - Elsevier
Reynolds-number effects in the adverse-pressure-gradient (APG) turbulent boundary layer
(TBL) develo** on the suction side of a NACA4412 wing section are assessed in the …

A theoretical decomposition of mean skin friction generation into physical phenomena across the boundary layer

N Renard, S Deck - Journal of Fluid Mechanics, 2016 - cambridge.org
A theoretical decomposition of mean skin friction generation into physical phenomena
across the whole profile of the incompressible zero-pressure-gradient smooth-flat-plate …

Colour of turbulence

A Zare, MR Jovanović, TT Georgiou - Journal of Fluid Mechanics, 2017 - cambridge.org
In this paper, we address the problem of how to account for second-order statistics of
turbulent flows using low-complexity stochastic dynamical models based on the linearized …

Direct numerical simulation of a self-similar adverse pressure gradient turbulent boundary layer at the verge of separation

V Kitsios, A Sekimoto, C Atkinson, JA Sillero… - Journal of Fluid …, 2017 - cambridge.org
The statistical properties are presented for the direct numerical simulation of a self-similar
adverse pressure gradient (APG) turbulent boundary layer (TBL) at the verge of separation …

The effect of spanwise wavelength of surface heterogeneity on turbulent secondary flows

DD Wangsawijaya, R Baidya, D Chung… - Journal of Fluid …, 2020 - cambridge.org
The effect of spanwise wavelength of surface heterogeneity on turbulent secondary flows Page
1 J. Fluid Mech. (2020), vol. 894, A7. c The Author(s), 2020. Published by Cambridge University …

A database for reduced-complexity modeling of fluid flows

A Towne, STM Dawson, GA Brès, A Lozano-Durán… - AIAA journal, 2023 - arc.aiaa.org
We present a publicly accessible database specifically designed to aid in the conception,
training, demonstration, evaluation, and comparison of reduced-complexity models for fluid …