Nonlinear aeroelastic analysis of airfoils: bifurcation and chaos
BHK Lee, SJ Price, YS Wong - Progress in aerospace sciences, 1999 - Elsevier
Different types of structural and aerodynamic nonlinearities commonly encountered in
aeronautical engineering are discussed. The equations of motion of a two-dimensional …
aeronautical engineering are discussed. The equations of motion of a two-dimensional …
Complex nonlinear dynamics and vibration suppression of conceptual airfoil models: A state-of-the-art overview
During the past few decades, several significant progresses have been made in exploring
complex nonlinear dynamics and vibration suppression of conceptual aeroelastic airfoil …
complex nonlinear dynamics and vibration suppression of conceptual aeroelastic airfoil …
Aeroelastic instability problems for wind turbines
MH Hansen - Wind Energy: An International Journal for …, 2007 - Wiley Online Library
This paper deals with the aeroelastic instabilities that have occurred and may still occur for
modern commercial wind turbines: stall‐induced vibrations for stall‐turbines, and classical …
modern commercial wind turbines: stall‐induced vibrations for stall‐turbines, and classical …
A complex networks based approach to nonlinear aeroelasticity
HS Varun, MS Aswathy, S Sarkar - Journal of Fluids and Structures, 2023 - Elsevier
The present study investigates the effect of low intensity additive noise on a subcritical pitch-
plunge aeroelastic system through the lens of complex networks. In the deterministic system …
plunge aeroelastic system through the lens of complex networks. In the deterministic system …
[HTML][HTML] The sliding mode control for an airfoil system driven by harmonic and colored Gaussian noise excitations
This paper addresses a sliding mode control (SMC) for an airfoil model excited by a
combination of harmonic force and colored Gaussian noise. Firstly, to reveal effects of …
combination of harmonic force and colored Gaussian noise. Firstly, to reveal effects of …
Dynamical responses of airfoil models with harmonic excitation under uncertain disturbance
In this paper, we investigate nonlinear dynamical responses of two-degree-of-freedom airfoil
(TDOFA) models driven by harmonic excitation under uncertain disturbance. Firstly, based …
(TDOFA) models driven by harmonic excitation under uncertain disturbance. Firstly, based …
Intermittency in pitch-plunge aeroelastic systems explained through stochastic bifurcations
Aeroelastic systems with hardening nonlinearity exhibit supercritical Hopf bifurcation when
the flow velocity exceeds a critical velocity leading to self-sustaining large amplitude limit …
the flow velocity exceeds a critical velocity leading to self-sustaining large amplitude limit …
Aeroservoelasticity of an airfoil with parametric uncertainty and subjected to atmospheric gusts
This paper presents the dynamics and adaptive control of an airfoil with structural stiffness
and damping uncertainties, which is subjected to atmospheric gusts. The motion of the airfoil …
and damping uncertainties, which is subjected to atmospheric gusts. The motion of the airfoil …
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 …
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
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 …
widespread in airfoil systems. Its occurrence may cause fatigue damage to the wing …