Homogeneous Material Constructed Acoustic Cloak Based on Coordinate Transformation-Reference-Cited by-同舟云学术

Homogeneous Material Constructed Acoustic Cloak Based on Coordinate Transformation

Published:2012-09-07 Issue:5 Volume:134 Page:
ISSN:1048-9002
Container-title:Journal of Vibration and Acoustics
language:en
Short-container-title:

Author:

Li Tinghua¹,Huang Ming¹,Yang Jingjing¹,Lan Yaozhong¹,Sun Jing¹

Affiliation:

1. School of Information Science and Engineering, Yunnan University, Kunming 650091, People’s Republic of China

Abstract

The two-dimensional and three-dimensional acoustic cloaks composed of homogeneous and nonsingular materials are designed by choosing appropriate spatial transformation. The mass density tensor and bulk modulus of the acoustic cloaks with diamond shape are derived, and extended to an acoustic carpet cloak. Performance of the acoustic cloaks is confirmed by full-wave simulation. The work represents an important progress towards the practical realization of the metamaterial-assisted acoustic cloak and expands the application of the coordinate transformation method.

Publisher

ASME International

Subject

General Engineering

Link

http://asmedigitalcollection.asme.org/vibrationacoustics/article-pdf/doi/10.1115/1.4006633/5732244/051016_1.pdf

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5. Broadband Invisibility by Non-Euclidean Cloaking;Leonhardt;Science

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