Modal analysis of fluid flows: An overview

K Taira, SL Brunton, STM Dawson, CW Rowley… - Aiaa Journal, 2017 - arc.aiaa.org
SIMPLE aerodynamic configurations under even modest conditions can exhibit complex
flows with a wide range of temporal and spatial features. It has become common practice in …

Current and emerging deep-learning methods for the simulation of fluid dynamics

M Lino, S Fotiadis, AA Bharath… - Proceedings of the …, 2023 - royalsocietypublishing.org
Over the last decade, deep learning (DL), a branch of machine learning, has experienced
rapid progress. Powerful tools for tasks that have been traditionally complex to automate …

Modal analysis of fluid flows: Applications and outlook

K Taira, MS Hemati, SL Brunton, Y Sun, K Duraisamy… - AIAA journal, 2020 - arc.aiaa.org
THE field of fluid mechanics involves a range of rich and vibrant problems with complex
dynamics stemming from instabilities, nonlinearities, and turbulence. The analysis of these …

Multi-scale rotation-equivariant graph neural networks for unsteady Eulerian fluid dynamics

M Lino, S Fotiadis, AA Bharath, CD Cantwell - Physics of Fluids, 2022 - pubs.aip.org
The simulation of fluid dynamics, typically by numerically solving partial differential
equations, is an essential tool in many areas of science and engineering. However, the high …

Recent advances in feature extraction techniques for high-speed flowfields

S Unnikrishnan - Progress in Aerospace Sciences, 2023 - Elsevier
Abstract Space–time scale-resolved diagnostic and computational campaigns routinely
produce high-fidelity multi-disciplinary truth-model quality datasets for complex …

On the formation of three-dimensional separated flows over wings under tip effects

K Zhang, S Hayostek, M Amitay, W He… - Journal of Fluid …, 2020 - cambridge.org
We perform direct numerical simulations of flows over unswept finite-aspect-ratio NACA
0015 wings at), the tip effects retard the near-tip shedding process, which desynchronizes …

Two-and three-dimensional wake transitions of a NACA0012 airfoil

S Gupta, J Zhao, A Sharma, A Agrawal… - Journal of Fluid …, 2023 - cambridge.org
Flow transitions are an important fluid-dynamic phenomena for many reasons, including the
direct effect on the aerodynamic forces acting on the body. In the present study, two …

Streamwise vortices, cellular shedding and force coefficients on finite wing at low Reynolds number

JSS Pandi, S Mittal - Journal of Fluid Mechanics, 2023 - cambridge.org
Streamwise vortices, cellular shedding and force coefficients on finite wing at low Reynolds
number Page 1 J. Fluid Mech. (2023), vol. 958, A10, doi:10.1017/jfm.2023.80 Streamwise …

Link between subsonic stall and transonic buffet on swept and unswept wings: from global stability analysis to nonlinear dynamics

F Plante, J Dandois, S Beneddine… - Journal of Fluid …, 2021 - cambridge.org
This paper examines the three-dimensional cellular patterns appearing on wings in
subsonic stall and transonic buffet conditions. Unsteady Reynolds-averaged Navier–Stokes …

Triglobal infinite-wing shock-buffet study

W He, S Timme - Journal of Fluid Mechanics, 2021 - cambridge.org
This article uses triglobal stability analysis to address the question of shock-buffet
unsteadiness, and associated modal dominance, on infinite wings at high Reynolds number …