Results 41 to 50 of about 12,055 (162)

Bio-Inspired Flexible Flapping Wings with Elastic Deformation

Aerospace, 2017
Over the last decades, there has been great interest in understanding the aerodynamics of flapping flight and development of flapping wing Micro Air Vehicles (FWMAVs).
Tien Van Truong, Quoc-Viet Nguyen, Heow Pueh Lee   +2 more
doaj   +1 more source

Structural and aerodynamic characteristics of additively manufactured flexible wings

Nihon Kikai Gakkai ronbunshu, 2020
Various high-performance structures are ready to fabricate with the advent of the technology for the additive manufacturing. This additive manufacturing technology has a potential to improve manufacturing costs and may help to achieve high-performance ...
Natsuki TSUSHIMA, Masato TAMAYAMA, Kanjuro MAKIHARA, Hitoshi ARIZONO   +3 more
doaj   +1 more source

Unsteady flow over flexible wings at different low Reynolds numbers

EPJ Web of Conferences, 2016
In this study, unsteady flow around flexible membrane wing which had aspect ratio of 1 (AR=1) was investigated experimentally at various Reynolds numbers (Re = 25000 and Re = 50000).
Genç Mustafa Serdar, Özden Mustafa, Açikel Halil Hakan, Demir Hacımurat, Isabekov Iliasbek   +4 more
doaj   +1 more source

Nonlinear modeling of slewing flexible structures: ideal and non ideal approaches

MATEC Web of Conferences, 2014
The mathematical modelling of rotating nonlinear flexible beam-like wing, driven by a DC motor, with rectangular cross section is investigated here. The structure is mathematically modeled considering linear curvature and clamped-free boundary conditions.
Fenili André, Fernandes Francisco Cayo Prado, Burr Karl Peter, Balthazar José Manoel   +3 more
doaj   +2 more sources

On the Dynamics of Flexible Wings for Designing a Flapping-Wing UAV

Drones
The increasing number of applications involving the use of UAVs has motivated the research for design considerations that increase the safety, endurance, range, and payload capability of these vehicles. In this article, the dynamics of a flexible flapping wing is investigated, focused on designing bio-inspired UAVs. A dynamic model of the Flapping-Wing
Renan Cavenaghi Silva, Douglas D. Bueno
openaire   +2 more sources

On-Orbit Global Mode Calculation and Characteristic Analysis of Four-Wing Flexible Satellite

International Journal of Aerospace Engineering
For a flexible satellite with four solar arrays symmetrically arranged on both sides (referred to as the four-wing flexible satellite), a solar array dynamic equation is established by incorporating the stiffness matrix of the solar array drive assembly (
Guowei Jiang, Xiaofan Xu, Rui Zhang, Qi Shi, Yuxin Fang   +4 more
doaj   +1 more source

Aerodynamic Optimization Based on Continuous Adjoint Method for a Flexible Wing

International Journal of Aerospace Engineering, 2016
Aerodynamic optimization based on continuous adjoint method for a flexible wing is developed using FORTRAN 90 in the present work. Aerostructural analysis is performed on the basis of high-fidelity models with Euler equations on the aerodynamic side and ...
Zhaoke Xu, Jian Xia
doaj   +1 more source

Effect of twist, camber and spanwise bending on the aerodynamic performance of flapping wings

Journal of Biomechanical Science and Engineering, 2018
Insect wings change its shape dynamically through the interactions of the structure, and the aerodynamic and inertial forces when flapping, which can greatly affect its aerodynamic performances.
Toshiyuki NAKATA, Ryusuke NODA, Hao LIU
doaj   +1 more source

Boundary control for an unmanned aerial vehicle with a nonhomogeneous rigid–flexible coupling wing

工程科学学报
With the rapid development of unmanned aerial vehicle technology and the continuous growth of requirements demanded in engineering applications, flapping-wing unmanned aerial vehicles are playing an increasingly important role in the national economy and
Yun FU, Ao XIAO, Bei LIU, Yunjun YU, Yushui HUANG, Xiaofeng WAN   +5 more
doaj   +1 more source

Computational Aeroelasticity of Flying Robots with Flexible Wings [PDF]

, 2017
Se presenta un marco de co-simulación computacional para robots voladores con alas flexibles. Los autores combinan un modelo aerodinámico no lineal basado en una versión extendida del método de celosía de vórtice inestable con un modelo estructural no lineal basado en una formulación segregada de las ecuaciones de Lagrange obtenidas con el formalismo ...
Sergio Preidikman, Bruno A. Roccia, Marcos Leonardo Verstraete, Marcelo Federico Valdez, Dean T. Mook, Balakumar Balachandran   +5 more
openaire   +2 more sources