aeroelastic response
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2022 ◽  
Author(s):  
Changchuan Xie ◽  
Zhiying Chen ◽  
Chao An


2021 ◽  
Vol 107 ◽  
pp. 103404
Author(s):  
Xiaomin An ◽  
Bin Deng ◽  
Jiayue Feng ◽  
Youwen Qu


2021 ◽  
Vol 107 ◽  
pp. 103411
Author(s):  
Victor Maldonado ◽  
Nicolas Peralta ◽  
Serdar Gorumlu ◽  
Wolduamlak Ayele ◽  
Dioser Santos


2021 ◽  
pp. 345-405
Author(s):  
David A. Peters
Keyword(s):  


2021 ◽  
pp. 1-14
Author(s):  
Sudip Bhattrai ◽  
Liam P. McQuellin ◽  
Gaetano M. D. Currao ◽  
Andrew J. Neely ◽  
David R. Buttsworth


Aerospace ◽  
2021 ◽  
Vol 8 (8) ◽  
pp. 221
Author(s):  
Rafic M. Ajaj ◽  
Erick I. Saavedra Flores ◽  
Mohammadreza Amoozgar ◽  
Jonathan E. Cooper

This paper presents a parametric study on the aeroelasticity of cantilever wings equipped with Flared Hinge Folding Wingtips (FHFWTs). The finite element method is utilized to develop a computational, low-fidelity aeroelastic model. The wing structure is modelled using Euler–Bernoulli beam elements, and unsteady Theodorsen’s aerodynamic strip Theory is used for aerodynamic load predictions. The PK method is used to estimate the aeroelastic boundaries. The model is validated using three rectangular, cantilever wings whose properties are available in literature. Then, a rectangular, cantilever wing is used to study the effect of folding wingtips on the aeroelastic response and stability boundaries. Two scenarios are considered for the aeroelastic analysis. In the first scenario, the baseline, rectangular wing is split into inboard and outboard segments connected by a flared hinge that allows the outboard segment to fold. In the second scenario, a folding wingtip is added to the baseline wing. For both scenarios, the influence of fold angle, hinge-line angle (flare angle), hinge stiffness, tip mass and geometry are assessed. In addition, the load alleviation capability of FHFWT is evaluated when the wing encounters discrete (1-cosine) gusts. Finally, the hinge is assumed to exhibit cubic nonlinear behavior in torsion, and the effect of nonlinearity on the aeroelastic response is assessed and analyzed for three different cases.





2021 ◽  
Author(s):  
Ahmed Malim ◽  
Nikolaos Mourousias ◽  
Benoit G. Marinus ◽  
Tim De Troyer


2021 ◽  
Author(s):  
J Allan A. Lyrio ◽  
João Luiz F. Azevedo ◽  
Domingos A. Rade ◽  
Ricardo -. Galdino da Silva ◽  
Carlos Breviglieri


AIAA Journal ◽  
2021 ◽  
pp. 1-7
Author(s):  
Madhusudan A. Padmanabhan ◽  
Earl H. Dowell


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