Tunable Digital Metamaterial for Broadband Vibration Isolation at Low Frequency

被引：201
|
作者：
Wang, Ziwei [1 ]
Zhang, Quan [1 ]
Zhang, Kai [1 ]
Hu, Gengkai [1 ]
机构：
[1] Beijing Inst Technol, Sch Aerosp Engn, Beijing 100081, Peoples R China
来源：
ADVANCED MATERIALS | 2016年 / 28卷 / 44期
基金：
中国国家自然科学基金;
关键词：
3D PRINTING TECHNIQUE; ACOUSTIC METAMATERIALS; POLYMER; SOUND;
D O I：
10.1002/adma.201604009
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A 3D-printed digital metamaterial embedded with electromagnets is fabricated. Switching electromagnets between the attaching (1 bit) and detaching (0 bit) modes activates different waveguides in the metamaterial. The underlying mechanism is investigated theoretically and experimentally. The hierarchical assemblies of unit cells, mimicking digital bits, allow programmable broadening of the bandgap of the metamaterial.
引用
收藏
页码：9857 / +
页数：6
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