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 …

Review of control surface freeplay

J Panchal, H Benaroya - Progress in Aerospace Sciences, 2021 - Elsevier
In the last few decades, there has been an increasing interest in the field of nonlinear
aeroelasticity. With substantial improvements in computing capabilities, the control surface …

Aeroservoelasticity of an airfoil with parametric uncertainty and subjected to atmospheric gusts

X Zhang, M Kheiri, WF Xie - AIAA Journal, 2021 - arc.aiaa.org
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 …

Three-dimensional nonlinear dynamics of imperfectly supported pipes conveying fluid

M Riazat, M Kheiri - Journal of Fluids and Structures, 2023 - Elsevier
This paper examines the effects of support imperfections on the dynamics and stability of
pipes conveying fluid. The three-dimensional equations of motion for an imperfectly …

[HTML][HTML] Aeroelasticity of an Aircraft Wing with Nonlinear Energy Sink

IP Wall, MR Amoozgar, AA Popov - Aerospace Science and Technology, 2024 - Elsevier
In this paper, the effectiveness of nonlinear energy sinks on enhancing aeroelastic stability
and post-instability response of aircraft wings is investigated. The wing has two degrees of …

Experimental aeroelastic investigation of an all-movable horizontal tail model with bending and torsion free-plays

X Ai, Y Bai, W Qian, Y Li, X Chen - Aerospace, 2023 - mdpi.com
In this study, an experimental investigation is performed on a scaled, all-movable horizontal
tail to study the aeroelastic behaviors induced by multiple free-plays. The dynamic response …

Experimental and numerical investigations on the nonlinear aeroelastic behavior of high aspect-ratio wings for different chord-wise store positions under stall and …

GC Silva, MV Donadon, FJ Silvestre - International Journal of Non-Linear …, 2021 - Elsevier
This study performs an experimental and numerical investigation on the nonlinear
aeroelastic response of cantilever high-aspect-ratio beam-like wings with a ballast at their …

Random flutter analysis of a novel binary airfoil with fractional order viscoelastic constitutive relationship

D Hu, J Zhang, H Chen - Mechanical Systems and Signal Processing, 2024 - Elsevier
The fractional order model emerges naturally when the integer order model fails to meet
practical requirements and finds extensive applications in engineering practice. However …

L1 adaptive aeroelastic control of an unsteady flapped airfoil in the presence of unmatched nonlinear uncertainties

S Mozaffari-Jovin, RD Firouz-Abadi… - Journal of Sound and …, 2024 - Elsevier
This work develops an L 1 adaptive control design for a nonlinear aeroservoelastic system
despite general unmatched uncertainties. To our knowledge, the unmatched condition in …

Data-driven flutter suppression of noised airfoil models: model identification and robust sliding mode control designed with multi-level control surfaces

Y Mao, X Liu - Nonlinear Dynamics, 2024 - Springer
The robust control of complex systems poses a persistent challenge in modern control
theory. While several model-free robust control strategies have been developed, they often …