Pillar-type acoustic metasurface
Document type :
Compte-rendu et recension critique d'ouvrage
Title :
Pillar-type acoustic metasurface
Author(s) :
Jin, Yabin [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Bonello, Bernard [Auteur]
Acoustique pour les nanosciences [INSP-E3]
Moiseyenko, Rayisa [Auteur]
Danmarks Tekniske Universitet = Technical University of Denmark [DTU]
Pennec, Yan [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Boyko, Olga [Auteur]
Acoustique pour les nanosciences [INSP-E3]
Djafari-Rouhani, Bahram [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Bonello, Bernard [Auteur]
Acoustique pour les nanosciences [INSP-E3]
Moiseyenko, Rayisa [Auteur]
Danmarks Tekniske Universitet = Technical University of Denmark [DTU]
Pennec, Yan [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Boyko, Olga [Auteur]
Acoustique pour les nanosciences [INSP-E3]
Djafari-Rouhani, Bahram [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Journal title :
Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Pages :
104311
Publisher :
American Physical Society
Publication date :
2017
ISSN :
1098-0121
HAL domain(s) :
Physique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
Physique [physics]/Mécanique [physics]/Acoustique [physics.class-ph]
Physique [physics]/Mécanique [physics]/Acoustique [physics.class-ph]
English abstract : [en]
We theoretically investigate acoustic metasurfaces consisting of either a single pillar or a line of identical pillars on a thin plate, and we report on the dependence on the geometrical parameters of both the monopolar ...
Show more >We theoretically investigate acoustic metasurfaces consisting of either a single pillar or a line of identical pillars on a thin plate, and we report on the dependence on the geometrical parameters of both the monopolar compressional and dipolar bending modes. We show that for specific dimensions of the resonators, a bending and a compressional modes may be simultaneously excited. We study their interaction with an anti-symmetric Lamb wave, whether or not they occur at the same frequency, with particular consideration for the amplitude and phase of waves emitted by the pillars at resonance. Especially, the analysis of both the amplitude and the phase of the wave at the common resonant frequency downstream a line of pillars, demonstrates that the reemitted waves allow for the transmission with phase shift of π.Show less >
Show more >We theoretically investigate acoustic metasurfaces consisting of either a single pillar or a line of identical pillars on a thin plate, and we report on the dependence on the geometrical parameters of both the monopolar compressional and dipolar bending modes. We show that for specific dimensions of the resonators, a bending and a compressional modes may be simultaneously excited. We study their interaction with an anti-symmetric Lamb wave, whether or not they occur at the same frequency, with particular consideration for the amplitude and phase of waves emitted by the pillars at resonance. Especially, the analysis of both the amplitude and the phase of the wave at the common resonant frequency downstream a line of pillars, demonstrates that the reemitted waves allow for the transmission with phase shift of π.Show less >
Language :
Anglais
Popular science :
Non
Source :
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