A review of recent developments in the understanding of transonic shock buffet

NF Giannelis, GA Vio, O Levinski - Progress in Aerospace Sciences, 2017 - Elsevier
Within a narrow band of flight conditions in the transonic regime, interactions between shock-
waves and intermittently separated shear layers result in large amplitude, self-sustained …

Transonic aeroelasticity: A new perspective from the fluid mode

C Gao, W Zhang - Progress in Aerospace Sciences, 2020 - Elsevier
Within the transonic regime, the aeroelastic problems exhibit many unique characteristics
compared with subsonic and supersonic cases. Although a lot of research has been carried …

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 …

Mechanism of frequency lock-in in vortex-induced vibrations at low Reynolds numbers

W Zhang, X Li, Z Ye, Y Jiang - Journal of Fluid Mechanics, 2015 - cambridge.org
In this study, a CFD-based linear dynamics model combined with the direct Computational
Fluid Dynamics/Computational Structural Dynamics (CFD/CSD) simulation method is …

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 …

Stability, receptivity, and sensitivity analyses of buffeting transonic flow over a profile

F Sartor, C Mettot, D Sipp - Aiaa Journal, 2015 - arc.aiaa.org
A transonic flow over the OAT15A supercritical profile is considered. The interaction
between the shock wave and the turbulent boundary layer is investigated through numerical …

Global instability in the onset of transonic-wing buffet

JD Crouch, A Garbaruk, M Strelets - Journal of Fluid Mechanics, 2019 - cambridge.org
Global stability analysis is used to analyse the onset of transonic buffet on infinite swept and
unswept wings. This high-Reynolds-number flow is governed by the unsteady Reynolds …

Mechanism of frequency lock-in in transonic buffeting flow

C Gao, W Zhang, X Li, Y Liu, J Quan, Z Ye… - Journal of Fluid …, 2017 - cambridge.org
Frequency lock-in can occur on a spring suspended airfoil in transonic buffeting flow, in
which the coupling frequency does not follow the buffet frequency but locks onto the natural …

Identifying the self-sustaining mechanisms of transonic airfoil buffet with resolvent analysis

Y Iwatani, H Asada, CA Yeh, K Taira, S Kawai - AIAA Journal, 2023 - arc.aiaa.org
The self-sustaining mechanisms of shock oscillations in transonic airfoil buffet are studied by
wall-resolved large-eddy simulation (LES) and resolvent analysis. The LES successfully …

Prediction of transonic buffet by delayed detached-eddy simulation

F Grossi, M Braza, Y Hoarau - AIAA Journal, 2014 - arc.aiaa.org
A delayed detached-eddy simulation of the transonic buffet over a supercritical airfoil is
performed. The turbulence modeling approach is based on a one-equation closure, and the …