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J Phys Condens Matter. 2011 Apr 6;23(13):135401. doi: 10.1088/0953-8984/23/13/135401. Epub 2011 Mar 17.

Sound transmission through plates perforated with two periodic subwavelength hole arrays.

Author information

  • 1Centro de Tecnologías Físicas, Unidad Asociada ICMM-CSIC/UPV, Universidad Politécnica de Valencia, Valencia, Spain.

Abstract

Theoretical results on sound transmission through plates perforated with compound periodic hole arrays are presented. Calculations are obtained by means of a model under the rigid-solid assumption, which is thoroughly derived. A complex interplay between resonant transmission peaks, resonance interference, and Wood anomaly minima is observed. At high frequencies the resonant peaks overcome the Wood anomaly dips, leading to a different behaviour when compared with simple hole arrays.

PMID:
21415477
[PubMed - indexed for MEDLINE]
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