{"title":"Tension-twist coupling morphing wing using a novel mechanical metamaterial","authors":"Xueren Zhu , Jiaying Zhang , Wei Chen , Huaiyuan Gu","doi":"10.1016/j.ast.2024.109745","DOIUrl":null,"url":null,"abstract":"<div><div>A novel tension-twist coupling morphing wing is proposed using tension-twist coupling metamaterials as the wing spar. The tension-twist coupling deformation was achieved by stacking of unit cells with tension-shear coupling behaviour. A finite element model was created to study the coupling behaviour of the unit cell, where the effect of cell configuration on the tension-shear coupling properties were numerically explored. The tension-twist coupling of the metamaterials was analysed and validated by a set of static tests using samples fabricated by selective laser sintering (SLS). The metamaterial was then implemented into a morphing wing to achieve adaptive twist. It was found that a valuable wing twist can be achieved by a relatively small actuation force, which can lead to a significant improvement in the overall aerodynamic performance. This novel way of realising the twist deformation of morphing wing reduces the demand for its driving system.</div></div>","PeriodicalId":50955,"journal":{"name":"Aerospace Science and Technology","volume":"155 ","pages":"Article 109745"},"PeriodicalIF":5.0000,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Aerospace Science and Technology","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1270963824008745","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, AEROSPACE","Score":null,"Total":0}
引用次数: 0
Abstract
A novel tension-twist coupling morphing wing is proposed using tension-twist coupling metamaterials as the wing spar. The tension-twist coupling deformation was achieved by stacking of unit cells with tension-shear coupling behaviour. A finite element model was created to study the coupling behaviour of the unit cell, where the effect of cell configuration on the tension-shear coupling properties were numerically explored. The tension-twist coupling of the metamaterials was analysed and validated by a set of static tests using samples fabricated by selective laser sintering (SLS). The metamaterial was then implemented into a morphing wing to achieve adaptive twist. It was found that a valuable wing twist can be achieved by a relatively small actuation force, which can lead to a significant improvement in the overall aerodynamic performance. This novel way of realising the twist deformation of morphing wing reduces the demand for its driving system.
期刊介绍：
Aerospace Science and Technology publishes articles of outstanding scientific quality. Each article is reviewed by two referees. The journal welcomes papers from a wide range of countries. This journal publishes original papers, review articles and short communications related to all fields of aerospace research, fundamental and applied, potential applications of which are clearly related to:
• The design and the manufacture of aircraft, helicopters, missiles, launchers and satellites
• The control of their environment
• The study of various systems they are involved in, as supports or as targets.
Authors are invited to submit papers on new advances in the following topics to aerospace applications:
• Fluid dynamics
• Energetics and propulsion
• Materials and structures
• Flight mechanics
• Navigation, guidance and control
• Acoustics
• Optics
• Electromagnetism and radar
• Signal and image processing
• Information processing
• Data fusion
• Decision aid
• Human behaviour
• Robotics and intelligent systems
• Complex system engineering.
Etc.
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