Efficient nonlinear aeroelastic analysis of a morphing wing via parameterized fictitious mode method
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-021-06577-y
Abstract: The folding wing, as a possible concept for designing morphing aircraft, has gained special attention. However, such a wing may encounter complex nonlinear aeroelastic effects with bilinear-hinge stiffnesses during the in-flight morphing process. This paper… read more here.
Keywords: parameterized fictitious; folding wing; methodology; nonlinear aeroelastic ... See more keywords
Geometrically nonlinear static aeroelastic analysis of composite morphing wing with corrugated structures
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.03.025
Abstract: Abstract In this paper, an integrated geometrically nonlinear aeroelastic framework to analyze the static nonlinear aeroelastic response of morphing composite wing with orthotropic materials has been developed. A flat plate/shell finite element, which can model… read more here.
Keywords: static aeroelastic; geometrically nonlinear; wing; model ... See more keywords
Geometrically nonlinear aeroelastic characteristics of highly flexible wing fabricated by additive manufacturing
Sign Up to like & getrecommendations! Published in 2021 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2021.106923
Abstract: Abstract Additive manufacturing technology has a potential to improve manufacturing costs and may help to achieve high-performance aerospace structures. One of the application candidates would be a wind tunnel wing model. A wing tunnel model… read more here.
Keywords: geometrically nonlinear; manufacturing; aeroelastic characteristics; model ... See more keywords
Identification of Volterra kernels for improved predictions of nonlinear aeroelastic vibration responses and flutter
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2018.05.073
Abstract: Abstract Aeroelastic structural systems are intrinsically nonlinear and accurate predictions of dynamic responses of nonlinear aeroelastic systems have become of paramount importance since these directly affect the accuracy and reliability of subsequent stability analyses. Such… read more here.
Keywords: second order; vibration; nonlinear aeroelastic; volterra kernels ... See more keywords
Investigating amplitude death in a coupled nonlinear aeroelastic system
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Non-linear Mechanics"
DOI: 10.1016/j.ijnonlinmec.2020.103659
Abstract: Abstract Coupling nonlinear dynamical systems can lead to a host of phenomena, one of which leads to the complete cessation of their oscillations. This phenomenon is referred to as amplitude death (AD) in the dynamical… read more here.
Keywords: death; death coupled; investigating amplitude; nonlinear aeroelastic ... See more keywords
Effect of shooting and blast-induced gust on nonlinear aeroelastic stability and behavior of high-aspect ratio wing
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.06.067
Abstract: Abstract This paper studies the effect of shooting and associated local blast induced gust on nonlinear aeroelastic stability and behaviour of a high-aspect ratio wing. The physics of shooting is modeled as a local impulse… read more here.
Keywords: stability; nonlinear aeroelastic; effect; blast induced ... See more keywords
Nonlinear aeroelastic stability analysis of three-phase nano-composite plates
Sign Up to like & getrecommendations! Published in 2019 at "Mechanics Based Design of Structures and Machines"
DOI: 10.1080/15397734.2019.1610436
Abstract: Abstract The main aim of this study is to investigate the geometrical nonlinear flutter of three-phase nano-composite plates reinforced with carbon nano-tubes (CNTs). The effective material properties are obtained using Halpin-Tsai relation and rule of… read more here.
Keywords: nano composite; phase nano; nonlinear aeroelastic; three phase ... See more keywords
Fuzzy control of nonlinear aeroelastic system based on neural network identification
Sign Up to like & getrecommendations! Published in 2021 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/09544100211010963
Abstract: This article presents a fuzzy control method for the limit cycle oscillation (LCO) suppression of nonlinear aeroelastic systems based on the neural network identification algorithm. A prototypical 2D wing section with a single control surface… read more here.
Keywords: based neural; fuzzy control; nonlinear aeroelastic; neural network ... See more keywords
Nonlinear aeroelastic control of very flexible aircraft using model updating
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Aircraft"
DOI: 10.2514/1.c034684
Abstract: A nonlinear modeling strategy is introduced to drive online optimization-based controllers for trajectory tracking and stabilization of very flexible aircraft. This is achieved thanks to a compact ... read more here.
Keywords: aircraft; aeroelastic control; nonlinear aeroelastic; control flexible ... See more keywords
Modeling Nonlinear Aeroelastic Forces for Bridge Decks with Various Leading Edges Using LSTM Networks
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13106005
Abstract: With the rapid increase in bridge spans, the mitigation of risk to flutter (aeroelastic instability) is of critical importance in the design of long-span bridges, especially considering the more frequent intense hurricanes under climate change.… read more here.
Keywords: aeroelastic forces; bridge decks; nonlinear aeroelastic; forces bridge ... See more keywords
Nonlinear Aeroelastic Analysis for Highly Flexible Flapping Wing in Hover
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Helicopter Society"
DOI: 10.4050/jahs.67.022002
Abstract: Aeromechanics of highly flexible flapping wings is a complex nonlinear fluid–structure interaction problem and, therefore, cannot be analyzed using conventional linear aeroelasticity methods. This paper presents a standalone coupled aeroelastic framework for highly flexible flapping… read more here.
Keywords: analysis; highly flexible; nonlinear aeroelastic; flexible flapping ... See more keywords