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Band gap and double-negative properties of a star-structured sonic metamaterial
Chen M(陈猛)1,2; Xu WS(徐文帅)1,2; Liu Y(刘宇)1,2; Yan K3; Jiang H(姜恒)1,2; Wang YR(王育人)1,2
2018-10-01
发表期刊APPLIED ACOUSTICS
卷号139页码:235-242
ISSN0003-682X
摘要

Sonic metamaterials have a wide range of applications in wave control and super-resolution imaging, and are favored for their several unique and advantageous properties. However, current double-negative sonic metamaterials have complex structures composed of various materials, which limits their design and application. Thus, we must produce double-negative features using a simple structure of one material. Because of their unique concave configurations and various resonances, star-shaped structures readily form band gaps and show superior material properties. In this study, we designed and simulated star-shaped single-phase metamaterials, considered ideal structures. Our numerical results suggest that these metamaterials have two band gaps as well as double-negative properties over specific frequency ranges. Moreover, we investigated how their band gap and double-negative properties depended on the concave angle.

关键词Sonic Metamaterials Effective Medium Parameter Double-negative Single-phase Star-shaped Structure
DOI10.1016/j.apacoust.2018.04.035
收录类别SCI ; EI
语种英语
WOS记录号WOS:000441117300027
关键词[WOS]Acoustic Metamaterials ; Refraction
WOS研究方向Acoustics
WOS类目Acoustics
项目资助者National Natural Science Foundation of China(11202211 ; Chinese Academy of Sciences(XDB22040301) ; Research Program of Beijing(Z161100002616034 ; 11602269) ; Z171100000817010)
论文分区二类
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77645
专题国家微重力实验室
通讯作者Jiang H(姜恒); Wang YR(王育人)
作者单位1.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Heilongjiang, Peoples R China
推荐引用方式
GB/T 7714
Chen M,Xu WS,Liu Y,et al. Band gap and double-negative properties of a star-structured sonic metamaterial[J]. APPLIED ACOUSTICS,2018,139:235-242.
APA Chen M,Xu WS,Liu Y,Yan K,Jiang H,&Wang YR.(2018).Band gap and double-negative properties of a star-structured sonic metamaterial.APPLIED ACOUSTICS,139,235-242.
MLA Chen M,et al."Band gap and double-negative properties of a star-structured sonic metamaterial".APPLIED ACOUSTICS 139(2018):235-242.
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