Transonic buffet characteristics under conditions of free and forced transition
Transonic buffet is commonly associated with self-sustained flow unsteadiness involving
shock-wave/boundary-layer interaction over airfoils and wings. The phenomenon has been …
shock-wave/boundary-layer interaction over airfoils and wings. The phenomenon has been …
Resolvent analysis of a finite wing in transonic flow
Shock waves interacting with turbulent boundary layers on wings can result first in self-
sustained flow unsteadiness and eventually in structural vibration. Due to its importance to …
sustained flow unsteadiness and eventually in structural vibration. Due to its importance to …
[HTML][HTML] Direct numerical simulations and spectral proper orthogonal decomposition analysis of shocklet-containing turbulent channel counter-flows
Counter-flow configurations in a confined channel flow provide an efficient framework to
study high intensity turbulent mixing processes. In a previous study (Physical Review Fluids …
study high intensity turbulent mixing processes. In a previous study (Physical Review Fluids …
Connecting transonic buffet with incompressible low-frequency oscillations on aerofoils
Self-sustained, low-frequency, coherent flow unsteadiness over rigid, stationary aerofoils in
the transonic regime is referred to as transonic buffet. This study examines the role of shock …
the transonic regime is referred to as transonic buffet. This study examines the role of shock …
Deep learning-based predictive modelling of transonic flow over an aerofoil
LW Chen, N Thuerey - arXiv preprint arXiv:2403.17131, 2024 - arxiv.org
Effectively predicting transonic unsteady flow over an aerofoil poses inherent challenges. In
this study, we harness the power of deep neural network (DNN) models using the attention …
this study, we harness the power of deep neural network (DNN) models using the attention …
On the co-existence of transonic buffet and separation-bubble modes for the OALT25 laminar-flow wing section
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 …
modern aircraft. Scale-resolving simulations with span-periodic boundary conditions are …
Effect of Tripping and Domain Width on Transonic Buffet on Periodic NASA-CRM Airfoils
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 …
layers. High-fidelity simulations have typically been limited to narrow domains to be …
Automatic code-generation to enable high-fidelity simulations of multi-block airfoils on GPUs
View Video Presentation: https://doi. org/10.2514/6.2023-1222. vid High-fidelity numerical
studies of three-dimensional airfoil flows require extremely large scale computational …
studies of three-dimensional airfoil flows require extremely large scale computational …
[HTML][HTML] Buffet boundary estimation using a harmonic balance method
A Petrocchi, G Barakos - Aerospace Science and Technology, 2023 - Elsevier
In this work, the application of the harmonic balance technique is demonstrated for transonic
buffet cases. The harmonic balance method represents an alternative to time-marching …
buffet cases. The harmonic balance method represents an alternative to time-marching …
Spectral proper orthogonal decomposition of external flow at high Reynolds number
FY Zuo, Y Shen, JR Wei, CH Ren - Acta Astronautica, 2025 - Elsevier
Spectral proper orthogonal decomposition (SPOD) has been recently used to capture
temporal and spatial characteristics of complex flows. Applying SPOD analysis to such flow …
temporal and spatial characteristics of complex flows. Applying SPOD analysis to such flow …