Broadband Sound Shielding of Lamb Waves Through a Periodic Array of Junctions

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作者
Moiseyenko, Rayisa P. [1 ]
Pennec, Yan [1 ]
Marchal, Remi [2 ]
Bonello, Bernard [2 ]
Djafari-Rouhani, B. [1 ]
机构
[1] Univ Lille 1, Inst Elect Microelect & Nanotechnol, UFR Phys, UMR CNRS 8520, Cite Sci, F-59652 Villeneuve Dascq, France
[2] Univ Paris 06, Inst Nanosci Paris, CNRS, INSP UMR 7588, F-75252 Paris, France
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TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We study theoretically sub-wavelength physical phenomena such as resonant transmission and broadband sound shielding for Lamb waves propagating in an acoustic metamaterial made of a thin plate drilled with one or two row(s) of rectangular holes. One of the main results is the demonstration of a broadband low frequency acoustic shielding with high attenuation.
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页数:3
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