Title :
Broadband sound shielding of Lamb waves through a periodic array of junctions
Author :
Moiseyenko, Rayisa P. ; Pennec, Yan ; Marchal, Remi ; Bonello, Bernard ; Djafari-Rouhani, B.
Author_Institution :
Inst. d´Electron., de Micro-Electron. et de Nanotechnol., Univ. Lille 1, Villeneuve-d´Ascq, France
Abstract :
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.
Keywords :
acoustic metamaterials; acoustic wave transmission; shielding; surface acoustic waves; Lamb waves; acoustic metamaterial; broadband low frequency acoustic shielding; broadband sound shielding; periodic junction array; rectangular holes; resonant transmission; subwavelength physical phenomena; thin plate; Acoustics; Arrays; Attenuation; Broadband communication; Junctions; Metamaterials; Resonant frequency;
Conference_Titel :
Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS), 2014 8th International Congress on
Conference_Location :
Lyngby
Print_ISBN :
978-1-4799-3450-8
DOI :
10.1109/MetaMaterials.2014.6948609
