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    Tunable Metamaterial Lens for Ultra-Broadband Hydroacoustic Focusing

    Source: Journal of Applied Mechanics:;2025:;volume( 092 ):;issue: 005::page 51009-1
    Author:
    Guo, Rui
    ,
    Liu, Runquan
    ,
    Liu, Hao
    ,
    Zuo, Lei
    ,
    Zhang, Quan
    ,
    Zhang, Kai
    DOI: 10.1115/1.4067953
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Acoustic metamaterial plays a vital role in underwater engineering applications. Here we present a novel tunable underwater metamaterial for ultra-broadband hydroacoustic focusing. The material consists of a soft matrix embedded with cavities that are surrounded by solid shells. The proposed design enables on-demand tuning of the effective acoustic parameters of the composite material through two independent regulation strategies, namely, (i) filling the cavities with different liquids, and (ii) stretching the soft matrix. We develop a theoretical framework for calculating the effective parameters of the material and validate it through finite element simulations and experiments. Our theoretical analysis indicates that the proposed material is able to achieve a widely tunable refraction index while maintaining a high transmission coefficient. In addition, a hydroacoustic focusing functionality is demonstrated using the proposed metamaterials. These findings set the stage for the development of next-generation hydroacoustic materials for underwater communication and acoustic imaging technologies.
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      Tunable Metamaterial Lens for Ultra-Broadband Hydroacoustic Focusing

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4308433
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    contributor authorGuo, Rui
    contributor authorLiu, Runquan
    contributor authorLiu, Hao
    contributor authorZuo, Lei
    contributor authorZhang, Quan
    contributor authorZhang, Kai
    date accessioned2025-08-20T09:32:02Z
    date available2025-08-20T09:32:02Z
    date copyright3/10/2025 12:00:00 AM
    date issued2025
    identifier issn0021-8936
    identifier otherjam-24-1350.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4308433
    description abstractAcoustic metamaterial plays a vital role in underwater engineering applications. Here we present a novel tunable underwater metamaterial for ultra-broadband hydroacoustic focusing. The material consists of a soft matrix embedded with cavities that are surrounded by solid shells. The proposed design enables on-demand tuning of the effective acoustic parameters of the composite material through two independent regulation strategies, namely, (i) filling the cavities with different liquids, and (ii) stretching the soft matrix. We develop a theoretical framework for calculating the effective parameters of the material and validate it through finite element simulations and experiments. Our theoretical analysis indicates that the proposed material is able to achieve a widely tunable refraction index while maintaining a high transmission coefficient. In addition, a hydroacoustic focusing functionality is demonstrated using the proposed metamaterials. These findings set the stage for the development of next-generation hydroacoustic materials for underwater communication and acoustic imaging technologies.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleTunable Metamaterial Lens for Ultra-Broadband Hydroacoustic Focusing
    typeJournal Paper
    journal volume92
    journal issue5
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.4067953
    journal fristpage51009-1
    journal lastpage51009-8
    page8
    treeJournal of Applied Mechanics:;2025:;volume( 092 ):;issue: 005
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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