宽带低频隔振可调数字超材料。
Tunable Digital Metamaterial for Broadband Vibration Isolation at Low Frequency.
机构信息
School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, China.
出版信息
Adv Mater. 2016 Nov;28(44):9857-9861. doi: 10.1002/adma.201604009. Epub 2016 Sep 22.
PMID:27654019
Abstract
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.
摘要
制作了一种嵌入电磁体的 3D 打印数字超材料。通过在连接（1 位）和断开（0 位）模式之间切换电磁体，可激活超材料中的不同波导。从理论和实验两方面研究了其潜在机制。模仿数字位的单元的层次组装，可实现超材料带隙的可编程展宽。
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