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Band Gaps and Vibration Isolation of a Three-dimensional Metamaterial with a Star Structure

文献类型：期刊论文

作者Jiang H(姜恒)2,3; Zhang MG1; Liu Y(刘宇)2,3; Pei DL(裴东亮)2,3; Chen M(陈猛)2,3; Wang YR(王育人)2,3
刊名MATERIALS
出版日期2020-09-01
卷号13期号:17页码:14
关键词metamaterials Poisson ratio band gaps vibration isolation 3D star structure
DOI10.3390/ma13173812
通讯作者Chen, Meng(chenmeng@imech.ac.cn)
英文摘要Elastic metamaterials have promising applications in wave control and vibration isolation, due to their extraordinary characteristics, e.g., negative Poisson ratio, band gaps, effective negative mass density and effective negative modulus. How to develop new functional metamaterials using a special structure has always been a hot topic in this field. In this study, a three-dimensional (3D) star structure is designed to construct metamaterials with both negative static and dynamic properties. The results show that the 3D star structure formed a wide band gap at lower frequency and had a negative Poisson's ratio. Different from conventional acoustic metamaterials, the main physical mechanism behind the low-frequency band gap of the 3D star structure is the resonance mode formed by the bending deformation of each rib plate, which made it easier to achieve effective isolation of low-frequency elastic waves with a low mass density. In addition, many structural parameters of the 3D star structure can be modulated to effectively adjust the band gap frequency by changing the angle between the concave nodes and aspect ratio. This study provides a new way to design the 3D acoustic metamaterials and develop the lightweight vibration isolation devices.
分类号二类
WOS关键词NEGATIVE POISSONS RATIO ; AUXETIC BEHAVIOR ; STENT
资助项目National Natural Science Foundation of China[11972034] ; National Natural Science Foundation of China[11802213] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22040301] ; Youth Innovation Promotion Association of the Chinese Academy of Science[2020018]
WOS研究方向Materials Science
语种英语
WOS记录号WOS:000571602500001
资助机构National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Science
其他责任者Chen, Meng
源URL[http://dspace.imech.ac.cn/handle/311007/85294]  
专题力学研究所_国家微重力实验室
作者单位1.Wuhan Second Ship Design & Res Inst, Wuhan 430064, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;
3.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China;
推荐引用方式
GB/T 7714		 Jiang H,Zhang MG,Liu Y,et al. Band Gaps and Vibration Isolation of a Three-dimensional Metamaterial with a Star Structure[J]. MATERIALS,2020,13(17):14.
APA 姜恒,Zhang MG,刘宇,裴东亮,陈猛,&王育人.(2020).Band Gaps and Vibration Isolation of a Three-dimensional Metamaterial with a Star Structure.MATERIALS,13(17),14.
MLA 姜恒,et al."Band Gaps and Vibration Isolation of a Three-dimensional Metamaterial with a Star Structure".MATERIALS 13.17(2020):14.

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来源：力学研究所

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