Global instability of wing shock-buffet onset

S Timme - Journal of Fluid Mechanics, 2020 - cambridge.org
Shock buffet on wings encountered in edge-of-the-envelope transonic flight remains an
unresolved and disputed flow phenomenon, challenging both fundamental fluid mechanics …

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 …

Global stability analysis of full-aircraft transonic buffet at flight Reynolds numbers

A Sansica, A Hashimoto - AIAA Journal, 2023 - arc.aiaa.org
Fully three-dimensional (3D) global stability analysis (GSA) is performed on the NASA
Common Research Model at turbulent transonic buffet conditions. The framework here …

Wing sweep effects on laminar separated flows

JHM Ribeiro, CA Yeh, K Zhang, K Taira - Journal of Fluid Mechanics, 2022 - cambridge.org
We reveal the effects of sweep on the wake dynamics around NACA 0015 wings at high
angles of attack using direct numerical simulations and resolvent analysis. The influence of …

Scale-resolving simulations of a civil aircraft wing transonic shock-buffet experiment

L Masini, S Timme, AJ Peace - AIAA Journal, 2020 - arc.aiaa.org
The flow physics governing the shock-buffet phenomenon on swept wings remain disputed
without an unequivocal description. Herein is a contribution to the ongoing discussion that …

System identification of two-dimensional transonic buffet

A Sansica, JC Loiseau, M Kanamori, A Hashimoto… - AIAA Journal, 2022 - arc.aiaa.org
When modeled within the unsteady Reynolds-averaged Navier–Stokes framework, the
shock wave dynamics on a two-dimensional airfoil at transonic buffet conditions is …

Effect of Tripping and Domain Width on Transonic Buffet on Periodic NASA-CRM Airfoils

DJ Lusher, A Sansica, A Hashimoto - AIAA Journal, 2024 - arc.aiaa.org
Transonic buffet is an instability characterized by shock oscillations and separated boundary
layers. High-fidelity simulations have typically been limited to narrow domains to be …

Wake dynamics of tapered wings. Part I: a computational study

JHM Ribeiro, K Taira, J Neal, M Amitay… - AIAA SCITECH 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2297. vid As the first of our three-
part joint paper series, we study the effects of wing taper on laminar wakes behind NACA …

Experimental assessment of wing lower surface buffet effects induced by the installation of a UHBR nacelle

S Sebastian, R Ralf - CEAS Aeronautical Journal, 2024 - Springer
The installation of large bypass ratio engines on classical under wing configurations may
lead to shock/boundary layer interaction on the wing lower surface, limiting the flight …