Complex nonlinear dynamics and vibration suppression of conceptual airfoil models: A state-of-the-art overview

Q Liu, Y Xu, J Kurths, X Liu - Chaos: An Interdisciplinary Journal of …, 2022 - pubs.aip.org
During the past few decades, several significant progresses have been made in exploring
complex nonlinear dynamics and vibration suppression of conceptual aeroelastic airfoil …

[HTML][HTML] Complex system approach to investigate and mitigate thermoacoustic instability in turbulent combustors

RI Sujith, VR Unni - Physics of Fluids, 2020 - pubs.aip.org
Thermoacoustic instability in turbulent combustors is a nonlinear phenomenon resulting
from the interaction between acoustics, hydrodynamics, and the unsteady flame. Over the …

Complex dynamics of a conceptual airfoil structure with consideration of extreme flight conditions

Q Liu, Y Xu, Y Li - Nonlinear Dynamics, 2023 - Springer
An aircraft in practice serves under extreme flight conditions that will have a substantial
impact on its flight safety. Understanding dynamics of airfoil structure of an aircraft subjected …

Bistability and stochastic jumps in an airfoil system with viscoelastic material property and random fluctuations

Q Liu, Y Xu, J Kurths - … in Nonlinear Science and Numerical Simulation, 2020 - Elsevier
The purpose of this paper is to explore analytically the influences of random fluctuations on
a two-degrees-of-freedom (TDOF) airfoil model with viscoelastic terms. To begin with, a …

[HTML][HTML] Parametric effects of turbulence on the flutter stability of suspension bridges

N Barni, C Mannini - Journal of Wind Engineering and Industrial …, 2024 - Elsevier
Despite extensive past research efforts, the influence of turbulence on suspension bridge
flutter stability has not been fully understood yet. Moreover, the role of large-scale turbulence …

[HTML][HTML] Numerical modelling of aerodynamic response to gusts and gust effect mitigation

W Yuan, X Zhang, D Poirel, A Wall - Aerospace Science and Technology, 2024 - Elsevier
Unmanned aerial vehicle (UAV) flights in urban environments are challenging due to the
complex flow structures and elevated turbulence around buildings. Consequently, research …

[HTML][HTML] Lyapunov stability of suspension bridges in turbulent flow

N Barni, G Bartoli, C Mannini - Nonlinear Dynamics, 2024 - Springer
In the era of sleek, super slender suspension bridges, facing the issue of stability against
dynamic wind actions represents an increasingly complex challenge. Despite the significant …

Intermittency in pitch-plunge aeroelastic systems explained through stochastic bifurcations

J Venkatramani, S Sarkar, S Gupta - Nonlinear Dynamics, 2018 - Springer
Aeroelastic systems with hardening nonlinearity exhibit supercritical Hopf bifurcation when
the flow velocity exceeds a critical velocity leading to self-sustaining large amplitude limit …

Bifurcation characteristics of a two-dimensional structurally non-linear airfoil in turbulent flow

D Poirel, SJ Price - Nonlinear dynamics, 2007 - Springer
The dynamics of a structurally non-linear two-dimensional airfoil in turbulent flow is
investigated numerically using a Monte Carlo approach. Both the longitudinal and vertical …

Early warning of noise-induced catastrophic high-amplitude oscillations in an airfoil model

J Ma, Q Liu, Y Xu, J Kurths - Chaos: An Interdisciplinary Journal of …, 2022 - pubs.aip.org
Noise-induced tipping from a low-amplitude oscillation state to a high-amplitude one is
widespread in airfoil systems. Its occurrence may cause fatigue damage to the wing …