Locally resonant periodic structures with low-frequency band gaps

被引:57
作者
Cheng, Zhibao [1 ]
Shi, Zhifei [1 ]
Mo, Y. L. [2 ]
Xiang, Hongjun [1 ]
机构
[1] Beijing Jiaotong Univ, Sch Civil Engn, Beijing 100044, Peoples R China
[2] Univ Houston, Dept Civil & Environm Engn, Houston, TX 77204 USA
基金
中国国家自然科学基金;
关键词
ELASTIC COMPOSITES; SONIC MATERIALS; BEAMS;
D O I
10.1063/1.4816052
中图分类号
O59 [应用物理学];
学科分类号
摘要
Presented in this paper are study results of dispersion relationships of periodic structures composited of concrete and rubber, from which the frequency band gap can be found. Two models with fixed or free boundary conditions are proposed to approximate the bound frequencies of the first band gap. Studies are conducted to investigate the low-frequency and directional frequency band gaps for their application to engineering. The study finds that civil engineering structures can be designed to block harmful waves, such as earthquake disturbance. (C) 2013 AIP Publishing LLC.
引用
收藏
页数:9
相关论文
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