Design of Acoustic Metamaterial Devices Based on Inverse Method

被引：4
|
作者：
Yang, Jing Jing [1 ]
Huang, Ming [1 ]
Cai, Guang Hui [1 ]
Xie, Ru Sheng [1 ]
Yang, Jie [1 ]
机构：
[1] Yunnan Univ, Sch Informat Sci & Engn, Wireless Innovat Lab, Kunming 650091, Peoples R China
来源：
JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME | 2013年 / 135卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ELECTROMAGNETIC CLOAK; ARBITRARY;
D O I：
10.1115/1.4024559
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The inverse method based on the numerical solution of Laplace's equation is introduced for the design of acoustic metamaterial devices. An arbitrary shaped acoustic concentrator and an external cloak are designed numerically and validated by full wave simulation. Besides, an acoustic reciprocal cloak and a field rotator are proposed. Compared with the analytical method, the inverse method is much more universal, and arbitrary shaped acoustic metamaterial devices can be flexibly designed without any knowledge of the transformation equations.
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页数：5
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