Dissipative elastic metamaterial with a low-frequency passband

doi:10.1063/1.4991034

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	Dissipative elastic metamaterial with a low-frequency passband
	Liu, Yongquan ; Yi, Jianlin ; Li, Zheng ; Su, Xianyue ; Li, Wenlong ; Negahban, Mehrdad
刊名	AIP ADVANCES
	2017
关键词	SUBWAVELENGTH SCALE REFRACTION INDEX WAVES
DOI	10.1063/1.4991034
英文摘要	design and experimentally demonstrate a dissipative elastic metamaterial structure that functions as a bandpass filter with a low-frequency passband. The mechanism of dissipation in this structure is well described by a mass-spring-damper model that reveals that the imaginary part of the wavenumber is non-zero, even in the passband of dissipative metamaterials. This indicates that transmittance in this range can be low. A prototype for this viscoelastic metamaterial model is fabricated by 3D printing techniques using soft and hard acrylics as constituent materials. The transmittance of the printed metamaterial is measured and shows good agreement with theoretical predictions, demonstrating its potential in the design of compact waveguides, filters and other advanced devices for controlling mechanical waves. (C) 2017 Author(s).; National Natural Science Foundation of China [91116008, 11521202]; SCI(E); ARTICLE; 6; 7
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/473015]
专题	工学院
推荐引用方式 GB/T 7714	Liu, Yongquan,Yi, Jianlin,Li, Zheng,et al. Dissipative elastic metamaterial with a low-frequency passband[J]. AIP ADVANCES,2017.
APA	Liu, Yongquan,Yi, Jianlin,Li, Zheng,Su, Xianyue,Li, Wenlong,&Negahban, Mehrdad.(2017).Dissipative elastic metamaterial with a low-frequency passband.AIP ADVANCES.
MLA	Liu, Yongquan,et al."Dissipative elastic metamaterial with a low-frequency passband".AIP ADVANCES (2017).