Stall Flutter Control of a Smart Blade Section Undergoing Asymmetric Limit Oscillations by Nailu Li, Mark J. Balas, Pourya Nikoueeyan, Hua Yang, Jonathan W. Naughton

“…Stall flutter is an aeroelastic phenomenon resulting in unwanted oscillatory loads on the blade, such as wind turbine blade, helicopter rotor blade, and other flexible wing blades. …”
Get full text

Flight Loads Prediction of High Aspect Ratio Wing Aircraft Using Multibody Dynamics by Michele Castellani, Jonathan E. Cooper, Yves Lemmens

“…A framework based on multibody dynamics has been developed for the static and dynamic aeroelastic analyses of flexible high aspect ratio wing aircraft subject to structural geometric nonlinearities. …”
Get full text

Receptance-Based Partial Pole Assignment for Asymmetric Systems Using State-Feedback by M. Ghandchi Tehrani, H. Ouyang

“…Examples include friction-induced vibration and aeroelastic flutter. Asymmetric systems are prone to flutter instability as a result of the real parts of some poles becoming positive when certain system parameters vary.…”
Get full text

New Method for Analyzing the Flutter Stability of Hingeless Blades with Advanced Geometric Configurations in Hovering by Si-wen Wang, Jing-long Han, Quan-long Chen, Hai-wei Yun, Xiao-mao Chen

“…A new method used to analyze the aeroelastic stability of a helicopter hingeless blade in hovering has been developed, which is especially suitable for a blade with advanced geometric configuration. …”
Get full text

Analysis of Structural Characteristics of the HALE Joined-Wing Configuration UAV by Junlei Sun, Ye Zhou, Zhou Zhou, Zhengping Wang

“…The study further explores typical structural dynamic characteristics, including natural mode, static aeroelastic, flutter, and gust response characteristics. …”
Get full text

Calculation of the Hinge Moments of a Folding Wing Aircraft during the Flight-Folding Process by Hao Xu, Jinglong Han, Haiwei Yun, Xiaomao Chen

“…The user subroutine is utilized, aerodynamic loading is realized in ADAMS, and an aeroelastic flight simulation platform of a folding wing aircraft is built. …”
Get full text

Challenges in detecting wind turbine power loss: the effects of blade erosion, turbulence, and time averaging by T. H. Malik, C. Bak

“…This study aims to improve the understanding and analysis of real wind turbine measurements by employing aeroelastic simulations to investigate the combined effects of LEE, turbulence intensity (TI), and time averaging as a data processing technique and to show how they obscure the effects of erosion. …”
Get full text

On Singular Perturbations of Flexible and Variable-Speed Wind Turbines by R. Oulad Ben Zarouala, C. Vivas, J. Á. Acosta, L. El Bakkali

“…The successful approach is tested on high-order nonlinear aeroelastic simulator (FAST).…”
Get full text

NUMERICAL SIMULATION OF FLUTTER CHARACTERISTICS IN TRANSONIC FAN BASED ON HARMONIC BALANCE METHOD by ZHANG Xiang, HUANG XiuQuan, ZHANG HengMing, CHEN YuChun

“…For the first stage rotor of a transonic fan,the flutter boundary of blades was obtained by analyzing aeroelastic stability of blades with different rotational speeds and back pressure specified. …”
Get full text

Gust Load Alleviation with Robust Control for a Flexible Wing by Xiang Liu, Qin Sun

“…To accurately describe the aeroelastic model over a large flight envelope, a nonlinear parameter-varying model is developed which is a function of both Mach number and dynamic pressure. …”
Get full text

STUDY ON BUFFETING ACTIVE CONTROL BASED ON MACRO FIBER COMPOSITES by SUN Jie, HUANG TingXuan, SUN LuJun, ZHU DongFang, HUANG Jing

“…Macro fiber composites（MFC） have a good application prospect in aeroelastic buffeting control. The MFC actuator was modeled using the load simulation method. …”
Get full text

Numerical Investigation into Flutter and Flutter-Buffet Phenomena for a Swept Wing and a Curved Planform Wing by Mario Rosario Chiarelli, Salvatore Bonomo

“…In addition, for such a wing, the aeroelastic instability condition, consisting in a classical flutter, is postponed compared to a conventional swept wing, for which a flutter-buffet instability occurs. …”
Get full text

Smolyak-Grid-Based Flutter Analysis with the Stochastic Aerodynamic Uncertainty by Yuting Dai, Chao Yang

“…How to estimate the stochastic aerodynamic parametric uncertainty on aeroelastic stability is studied in this current work. …”
Get full text

Flap/Lag Stall Flutter Control of Large-Scale Wind Turbine Blade Based on Robust H2 Controller by Tingrui Liu, Wei Xu

“…The stall flutter control of dynamic response characteristics of composite blade incorporating nonlinear aerodynamic model is investigated based on some structural and dynamic parameters. The aeroelastic partial differential equations are reduced by Galerkin method, with the aerodynamic forces decomposed by strip theory. …”
Get full text

Computer-aided simulation of unmanned aerial vehicle composite structure dynamics by Artur Kierzkowski, Tomasz Kisiel, Maciej Milewski, Ádám Török, Michał Stosiak, Jakub Wróbel

“… The dynamic response of an aerial vehicle structure is a key parameter that must be determined before further aeroelastic phenomena can be analysed in the aerospace sector. …”
Get full text

Designing a Control System for an Airplane Wing Flutter Employing Gas Actuators by A. R. Ansari, A. R. B. Novinzadeh

“…The wing flutter is a dynamic instability of a flight vehicle associated with the interaction of aerodynamic, elastic, and inertial forces (aeroelastics phenomena). In this study, just the primary control is investigated. …”
Get full text

Failure Analysis and Optimization Design of Wing Skin Unbalanced Lay-Up by Junli Wang, Jinyang Li

“…To clarify the influence of the unbalanced coefficient and the change in lay-up angle on the failure characteristics of the laminate in the static aeroelastic problem of the aircraft, numerical simulations were performed based on the classical laminate theory and the Tsai-Wu failure criterion, as well as the fluid-structure coupling calculation method. …”
Get full text

Wind Excited Action around Tall Building Having Different Corner Configurations by Rahul Kumar Meena, Ritu Raj, S. Anbukumar

“…Aeroelastic instabilities are common in square or rectangular plan shape structures due to the development of powerful vortices by the rolling motion of the separated shear layers. …”
Get full text

Gust Load Alleviation including Geometric Nonlinearities Based on Dynamic Linearization of Structural ROM by Chao An, Chao Yang, Changchuan Xie, Yang Meng

“…A state-space equation is established in a dynamic linearized system around the prescribed static equilibrium state after nonlinear static aeroelastic analysis. Gust response analysis can be conducted subsequently. …”
Get full text

Machine Learning-Based Prediction of 2 MW Wind Turbine Tower Loads During Power Production Based on Nacelle Behavior by Soichiro Kiyoki, Shigeo Yoshida, Mostafa A. Rushdi

“…The method was evaluated through the aeroelastic simulation of a 2 MW wind turbine. The results showed that the fatigue and extreme loads of the fore–aft and side–side bending moments at the bottom of the tower can be predicted using operational conditions and nacelle accelerations, and the prediction accuracy in regard to the high-frequency components can be increased by adding the nacelle angle velocity into the model. …”
Get full text