通过周期性结阵的兰姆波宽带声屏蔽

2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI:10.1109/METAMATERIALS.2014.6948609

R. Moiseyenko, Y. Pennec, R. Marchal, B. Bonello, Bahram Djafari-Rouhani

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引用次数: 0

摘要

我们从理论上研究了Lamb波在具有一排或两排矩形孔的薄板制成的声学超材料中传播的共振传输和宽带声屏蔽等亚波长物理现象。其中一个主要成果是高衰减宽带低频声屏蔽的演示。

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Broadband sound shielding of Lamb waves through a periodic array of junctions

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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2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics

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