Designing high aspect ratio wings: A review of concepts and approaches

Y Ma, A Elham - Progress in Aerospace Sciences, 2024 - Elsevier
In response to escalating environmental concerns and stringent economic constraints, there
is an urgent need to develop aircraft technologies and configurations that substantially …

[HTML][HTML] Experimental and numerical investigation of an aircraft wing with hinged wingtip for gust load alleviation

D Balatti, HH Khodaparast, MI Friswell… - Journal of Fluids and …, 2023 - Elsevier
A recent consideration in aircraft design is using hinged wing tip devices to increase the
aspect ratio, improving aircraft performance. Moreover, numerical studies have suggested …

Unsteady aeroelastic analysis of the semi aeroelastic hinge including local geometric nonlinearities

P Mastracci, F Saltari, F Mastroddi, T Wilson… - AIAA Journal, 2022 - arc.aiaa.org
A recent consideration in aircraft design is the use of folding wing tips, with the aim of
enabling higher aspect ratio wings with less induced drag but also meeting airport gate …

Experimental analysis of the dynamics of flared folding wingtips via a novel tethered flight test

F Healy, A Pontillo, D Rezgui, JE Cooper, J Kirk… - AIAA Scitech 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1757. vid Recent developments in
morphing wing technologies are routinely tested using Unmanned Aerial vehicles (UAVs) …

On the effect of geometric nonlinearity on the dynamics of flared folding wingtips

F Healy, R Cheung, D Rezgui, J Cooper, T Wilson… - Journal of Aircraft, 2023 - arc.aiaa.org
Recent studies have considered the use of flared folding wingtips (FFWTs) to enable higher
aspect ratios—reducing overall induced drag—while reducing gust loading and meeting …

On the nonlinear geometric behaviour of flared folding wingtips

F Healy, RC Cheung, D Rezgui, JE Cooper… - AIAA Scitech 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-0656. vid Recent studies have
considered the use of flared folding wingtips (FFWTs) to enable higher aspect ratios …

Investigations on the interactions between structural and aerodynamic nonlinearities and unsteadiness for aeroelastic systems

A Bouma, W Yossri, R Vasconcellos, A Abdelkefi - Nonlinear Dynamics, 2022 - Springer
A nonlinear analysis is performed on a two-degree-of-freedom wing-based system.
Structural nonlinearities are introduced in the pitch degree of freedom when considering two …

Experimental analysis of the behaviour of flared folding wingtips with sideslip angle

F Healy, RCM Cheung… - 19th International …, 2022 - research-information.bris.ac.uk
A concept of growing interest in recent years is that of the Flared Folding Wingtip (FFWT),
which can be used in-flight to reduce airframe loading due to gust encounters and augment …

[HTML][HTML] Flight dynamics of aircraft incorporating the semi-aeroelastic hinge

H Gu, F Healy, S Jayatilake, D Rezgui… - Aerospace Science and …, 2024 - Elsevier
Aircraft like the Boeing 777-X use on-ground folding wingtips to meet the airport gate size
restriction while increasing the aspect ratio during flight to reduce induced drag. A recent …

Shoulder viscoelasticity in a raptor-inspired model alleviates instability and enhances passive gust rejection

SC Stanton - Bioinspiration & Biomimetics, 2024 - iopscience.iop.org
Recent experiments with gliding raptors reveal a perplexing dichotomy: remarkably resilient
gust rejection, but, at the same time, an exceptionally high degree of longitudinal instability …