Wave propagation in woodpile mechanical metamaterials

被引：4

作者：

Kim, Eunho ^{[1
]}

Kim, Yong Han Noel ^{[1
]}

Yang, Jinkyu ^{[1
]}

机构：

[1] Univ Washington, William E Boeing Dept Aeronaut & Astronaut, Seattle, WA 98195 USA

来源：

PROCEEDINGS OF 2014 INTERNATIONAL SYMPOSIUM ON OPTOMECHATRONIC TECHNOLOGIES (ISOT) | 2014年

关键词：

wave propagation; periodic woodpile; metamaterial;

D O I：

10.1109/ISOT.2014.12

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Periodic woodpile structures composed of slender cylindrical rods, defined as woodpile mechanical metamaterials herein, show versatile wave dynamics due to local resonances of slender rods. We numerically and experimentally investigate such resonance effects on nonlinear wave propagation in the woodpile mechanical metamaterials under impact excitations. We report these woodpile architectures exhibit variable speed and amplitude of transmitted nonlinear waves depending on the geometrical configurations of the assembled woodpile architectures.

引用

页码：12 / 14

页数：3

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