A bistable honeycomb mechanical metamaterial with transformable Poisson's ratio and tunable vibration isolation properties

doi:10.1016/j.tws.2024.111718

	A bistable honeycomb mechanical metamaterial with transformable Poisson's ratio and tunable vibration isolation properties
	Xiao, Boya 1,2; Liu, Yu 1,2; Xu, Wenshuai 1,2; Wei, Rongyao 1,2; Chen, Meng 1,2; Jiang, Heng 1,2
刊名	THIN-WALLED STRUCTURES
	2024-05-01
卷号	198 页码:8
关键词	Mechanical metamaterials Transformable Poisson's ratio Tunable bandgap Local resonance
ISSN号	0263-8231
DOI	10.1016/j.tws.2024.111718
通讯作者	Chen, Meng(chenmeng@imech.ac.cn) ; Jiang, Heng(hengjiang@imech.ac.cn)
英文摘要	With the increasing demand for vibration-isolation structures with tunable and multifunctional properties driven by the rapid development of complex engineering applications, metamaterials have emerged as promising candidates for this purpose owing to their extraordinary properties derived from their unique structural configurations. Owing to their unique deformation mechanisms, negative Poisson's ratio structures have been extensively studied in terms of vibration isolation and energy absorption; however, research on their performance tunability remains lacking. This paper describes a bistable honeycomb mechanical metamaterial (BHMM) consisting of cosine-shaped beams, which exhibits transformable Poisson's ratio and tunable vibration isolation properties. The proposed structure exhibited bistable properties, i.e., undergoing a configuration transition under external forces and retaining its existing configuration after the loading was removed. Furthermore, the two stable configurations exhibited distinctive elastic vibration characteristics, allowing the manipulation of elastic wave propagation on a subwavelength scale via local resonant mechanisms. Overall, this study presents a design methodology for multi-performance tunable metamaterials that satisfy the demands of the external environment. For example, the tunable vibration-isolation property of metamaterial makes it intriguing safety protection structures during crash events.
资助项目	National Natural Science Founda- tion of China[11972034] ; National Natural Science Founda- tion of China[E32M030201] ; Youth Innovation Promotion Association of the Chinese Academy of Science[2020018]
WOS关键词	ALTERNATING PENTAMODE LATTICES ; REDUCTION DESIGN
WOS研究方向	Engineering ; Mechanics
语种	英语
WOS记录号	WOS:001199106600001
资助机构	National Natural Science Founda- tion of China ; Youth Innovation Promotion Association of the Chinese Academy of Science
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/94969]
专题	力学研究所_国家微重力实验室
通讯作者	Chen, Meng; Jiang, Heng
作者单位	1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Key Lab Micrograv, Inst Mech, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Boya,Liu, Yu,Xu, Wenshuai,et al. A bistable honeycomb mechanical metamaterial with transformable Poisson's ratio and tunable vibration isolation properties[J]. THIN-WALLED STRUCTURES,2024,198:8.
APA	Xiao, Boya,Liu, Yu,Xu, Wenshuai,Wei, Rongyao,Chen, Meng,&Jiang, Heng.(2024).A bistable honeycomb mechanical metamaterial with transformable Poisson's ratio and tunable vibration isolation properties.THIN-WALLED STRUCTURES,198,8.
MLA	Xiao, Boya,et al."A bistable honeycomb mechanical metamaterial with transformable Poisson's ratio and tunable vibration isolation properties".THIN-WALLED STRUCTURES 198(2024):8.