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 …

Large-eddy simulations and modal reconstruction of laminar transonic buffet

P Moise, M Zauner, ND Sandham - Journal of Fluid Mechanics, 2022 - cambridge.org
Transonic buffet refers to the self-sustained periodic motion of shock waves observed in
transonic flows over wings and can limit the flight envelope of aircraft. Based on the …

Transonic buffet characteristics under conditions of free and forced transition

P Moise, M Zauner, ND Sandham, S Timme, W He - AIAA Journal, 2023 - arc.aiaa.org
Transonic buffet is commonly associated with self-sustained flow unsteadiness involving
shock-wave/boundary-layer interaction over airfoils and wings. The phenomenon has been …

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 …

Origins of atypical shock buffet motions on a supercritical aerofoil

NF Giannelis, O Levinski, GA Vio - Aerospace Science and Technology, 2020 - Elsevier
To expand the allowable flight regime of contemporary aircraft, a fundamental
understanding of edge-of-the-envelope flow phenomena, such as transonic shock buffet, is …

An application of data-driven modeling for hydroelasticity of an elastically supported semi-circular pipe conveying fluid

J Xu, P Li, Y Yang - Engineering Computations, 2023 - emerald.com
Purpose The paper aims to develop an efficient data-driven modeling approach for the
hydroelastic analysis of a semi-circular pipe conveying fluid with elastic end supports …

On the co-existence of transonic buffet and separation-bubble modes for the OALT25 laminar-flow wing section

M Zauner, P Moise, ND Sandham - Flow, Turbulence and Combustion, 2023 - Springer
Transonic buffet is an unsteady flow phenomenon that limits the safe flight envelope of
modern aircraft. Scale-resolving simulations with span-periodic boundary conditions are …

Wide domain simulations of flow over an unswept laminar wing section undergoing transonic buffet

M Zauner, ND Sandham - Physical Review Fluids, 2020 - APS
Transonic buffet is an unsteady flow phenomenon that limits the safe flight envelope of
modern aircraft. Scale-resolving simulations with span-periodic boundary conditions can …

Side-wall effects on the global stability of swept and unswept supercritical wings at buffet conditions

A Sansica, A Hashimoto, S Koike, T Kouchi - AIAA SciTech 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1972. vid A fully three-dimensional
(3D) RANS-based global stability analysis is performed in the turbulent transonic buffet …