[HTML][HTML] Recent developments of polymer-based skins for morphing wing applications

D Ahmad, MS Parancheerivilakkathil, A Kumar… - Polymer Testing, 2024 - Elsevier
The ability of morphing aircraft to adapt their shape in flight hinges on the incredible
flexibility of their skins, which have multiple degrees of freedom. This paper presents a …

A multiaxial fracture of ecoflex skin with different shore hardness for morphing wing application

D Ahmad, RM Ajaj - Polymers, 2023 - mdpi.com
The use of elastomer-based skins in morphing wings has become increasingly popular due
to their remarkable stretchability and mechanical properties. However, the possibility of the …

Cycle deformation behavior of 3D‐printed CF/PEEK honeycomb metamaterials with zero P oisson's ratios

N Han, X Wang, D Zhang - Polymer Composites, 2024 - Wiley Online Library
To realize the one‐dimensional deformation of morphing wings, zero Poisson's ratio (ZPR)
honeycomb metamaterials have become a popular research topic due to their lightweight …

[PDF][PDF] Investigating the tear fracture of elastomeric skins in morphing wings: An experimental and computational study

S Gour, D Ahmad, D Kumar, RM Ajaj, Y Zweiri - Int. J. Appl. Mech, 2023 - researchgate.net
2 investigate the tear fracture of elastomeric skins in morphing wings. Initially, the fracture
properties of three materials-Latex, Oppo, and Ecoflex-are evaluated experimentally for …

A three-dimensional constitutive equation for shape memory polymer composites considering energy dissipation under single loading–unloading condition

OH Kwon, JP Kim, JH Roh - Journal of Composite Materials, 2024 - journals.sagepub.com
Shape memory polymer composites (SMPCs), composed of shape memory polymers
(SMPs) and fabrics, can recover their deformed shapes to initial configurations by changing …

Design space exploration and modelling of gator 3d printed morphing skins

RM Heeb, M Dicker… - Smart Materials …, 2022 - asmedigitalcollection.asme.org
Morphing aircraft wings are one of the proposed solutions to reducing aviation's
environmental impact as they seek to improve the aircraft's aerodynamic efficiency and …

[PDF][PDF] Innovative skin structures: synthesis, void analysis, and hysteresis modeling of zero poisson's ratio skin for span morphing wing

D Ahmad, S Gour, D Kumar, RM Ajaj… - International Journal of …, 2024 - researchgate.net
This paper explores the use of carbon fiber-reinforced elastomeric skins for advancing
flexible morphing wing technologies, highlighting exceptional 1D morphing capabilities. The …

Effect of spanwise distributed camber morphing on dynamic stall characteristics of a finite-span wing

Y Wu, Y Hu, Y Dai, G Huang, C Yang - Physics of Fluids, 2023 - pubs.aip.org
This paper investigates the influence of the spanwise-distributed trailing edge camber
morphing on the dynamic stall characteristics of a finite-span wing at Re= 2× 10 5. The …

Synthesis and Micro-CT Driven Void Analysis of Carbon Fiber Reinforced Elastomeric Skin for 1D Morphing Wings

D Ahmad, RM Ajaj, Y Zweiri - … Conference on the Mechanical Behaviour of …, 2023 - Springer
Recently, there has been a growing interest in the development of adaptive wing structures
for aerospace purposes. One promising approach involves utilizing carbon fiber-reinforced …

Enhancing energy absorption of the sandwich beams with a synergetic strategy of flexible/rigid materials in re-entrant auxetic cores under flexural loading

F Usta - Journal of the Brazilian Society of Mechanical Sciences …, 2024 - Springer
Sandwich structures and auxetic materials have had a significant impact on various
applications as energy absorbers. The purpose of this study is to manipulate the deformation …