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107885 |
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|a Zhu, Rongrong
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|a Massachusetts Institute of Technology. Department of Mechanical Engineering
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|a Ma, Chu
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|a Xu, Jun
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|a Fang, Xuanlai
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|a Zheng, Bin
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|a Chen, Hongsheng
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|a Ma, Chu
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|a Xu, Jun
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|a Fang, Xuanlai
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|a A broadband polygonal cloak for acoustic wave designed with linear coordinate transformation
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|b Acoustical Society of America (ASA),
|c 2017-04-05T19:42:58Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/107885
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|a Previous acoustic cloaks designed with transformation acoustics always involve inhomogeneous material. In this paper, a design of acoustic polygonal cloak is proposed using linear polygonal transformation method. The designed acoustic polygonal cloak has homogeneous and anisotropic parameters, which is much easier to realize in practice. Furthermore, a possible acoustic metamaterial structure to realize the cloak is proposed. Simulation results on the real structure show that the metamaterial acoustic cloak is effective to reduce the scattering of the object.
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|a National Natural Science Foundation (China) (Grants 61322501, 61574127, and 61275183)
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|a Program for New Century Excellent Talents in University (China) (NCET-12-0489)
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|a Fundamental Research Funds for the Central Universities of China
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|a Zhejiang University. Innovation Joint Research Center for Cyber-Physical-Society System
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|a China Postdoctoral Science Foundation
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|a United States. Office of Naval Research. Multidisciplinary University Research Initiative (Grant 2015M581930)
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|a Top-Notch Young Talents Program of China
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|a en_US
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|a Article
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|t Journal of the Acoustical Society of America
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