Iridescent Perfect Absorption in Critically-Coupled Acoustic Metamaterials Using the Transfer Matrix Method

The absorption performance of a locally-reacting acoustic metamaterial under oblique incidence is studied. The metamaterial is composed of a slotted panel, each slit being loaded by an array of Helmholtz resonators. The system is analytically studied using the transfer matrix method, accounting for...

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Main Authors: Noé Jiménez, Jean-Philippe Groby, Vincent Pagneux, Vicent Romero-García
Formato: Artigo
Idioma:Inglês
Publicado em: MDPI AG 2017-06-01
Colecção:Applied Sciences
Assuntos:
perfect absorption
acoustic metamaterials
sound absorbers
iridescence
oblique incidence
transfer matrix method
Acesso em linha:http://www.mdpi.com/2076-3417/7/6/618
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