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03-04-2024 | Technical notes

Bubble metamaterials for enhanced underwater acoustic sensing

Authors: Guoxin Jin, Xitong Bian, Shida Fan, Tianzhi Yang, Tian Yang

Published in: Archive of Applied Mechanics

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Abstract

Directional sensing of underwater acoustic signals is vital in many areas, such as waterborne navigation systems, abyssal signal communication, and underwater sound source localization. Here, we propose an easy-to-make acoustic sensing metamaterial device, which is made of a bubble architecture with a line defect. Both numerical and experimental demonstrations show that an input-direction-sensitive response with an acoustic pressure enhancement factor ~ 13.9 was achieved approximately at the resonant frequency. Furthermore, enhanced waterborne acoustic sensing at different frequencies was realized by adjusting the volume of the defect cavity. This strategy provides an effective and feasible method for underwater weak signal detection and localization.

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Metadata
Title
Bubble metamaterials for enhanced underwater acoustic sensing
Authors
Guoxin Jin
Xitong Bian
Shida Fan
Tianzhi Yang
Tian Yang
Publication date
03-04-2024
Publisher
Springer Berlin Heidelberg
Published in
Archive of Applied Mechanics
Print ISSN: 0939-1533
Electronic ISSN: 1432-0681
DOI
https://doi.org/10.1007/s00419-024-02581-x

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