Bubble metamaterials for enhanced underwater acoustic sensing

被引：4

作者：

Jin, Guoxin ^{[1
]}

Bian, Xitong ^{[2
]}

Fan, Shida ^{[2
]}

Yang, Tianzhi ^{[2
]}

Yang, Tian ^{[2
]}

机构：

[1] China Med Univ, Spine Dept, Shengjing Hosp, Shenyang 110004, Peoples R China

[2] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Peoples R China

来源：

ARCHIVE OF APPLIED MECHANICS | 2024年 / 94卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Bubble metamaterials; Waterborne metamaterials; Acoustic metamaterials; Acoustic sensing;

D O I：

10.1007/s00419-024-02581-x

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

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 similar to 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.

引用

页码：1153 / 1160

页数：8

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