Topological acoustic fixture

IF 3.4 2区物理与天体物理 Q1 ACOUSTICS

Applied Acoustics Pub Date : 2025-08-30 DOI:10.1016/j.apacoust.2025.111032

Chengzhi Ma , Jiu Hui Wu , Xingzhong Wang

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Abstract

In this paper, the topological acoustic fixture is proposed to realize a new mechanical wave control method. It is composed of periodic clamping tooth, and through different forms of fixture, a combination of vibration modes with different topological states can be formed in the non-destructive metal sheet to support the lossless mechanical wave transmission with high fault tolerant in arbitrary directional path. On the one hand, the mechanical wave can achieve directional transmission without energy loss without destroying the metal sheet, there is no material loss, and the device can be reused many times. On the other hand, the selective frequency band transmission of mechanical waves can be realized. In addition, the transmission will not be interfered by the defects in transmission medium and topological acoustic fixture, and the transmission still has strong stability and high transmission accuracy; More importantly, the flexible high-performance transmission control can be realized under the clamping of the flexible topological acoustic fixture, which saves a lot of manpower, material resources and financial resources. Finally, the experiment is carried out to verify. This research will pave the way for the engineering application of multi-functional and micro-miniature devices such as covert communication, energy capture, highly fault-tolerant devices, reuse technology. Further promote the development of the petroleum, power and vibration-related industries.

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拓扑声夹具

本文提出了拓扑声夹具来实现一种新的机械波控制方法。它由周期夹紧齿组成，通过不同形式的夹具，可在无损金属板材中形成具有不同拓扑状态的振动模式组合，以支持任意方向路径上具有高容错性的无损机械波传输。一方面，机械波可以在不破坏金属片的情况下实现无能量损失的定向传播，没有材料损失，设备可以多次重复使用。另一方面，可以实现机械波的选择性频带传输。此外，传输不会受到传输介质和拓扑声夹具缺陷的干扰，传输仍具有较强的稳定性和较高的传输精度；更重要的是，在柔性拓扑声夹具的夹持下，可以实现柔性高性能传动控制，节省了大量的人力、物力和财力。最后进行了实验验证。该研究将为隐蔽通信、能量捕获、高容错设备、复用技术等多功能和微微型设备的工程应用铺平道路。进一步推动石油、电力、振动相关产业发展。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Acoustics 物理-声学

CiteScore

7.40

自引率

11.80%

发文量

618

审稿时长

7.5 months

期刊介绍： Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. Applied Acoustics looks not only at recent developments in the understanding of acoustics but also at ways of exploiting that understanding. The Journal aims to encourage the exchange of practical experience through publication and in so doing creates a fund of technological information that can be used for solving related problems. The presentation of information in graphical or tabular form is especially encouraged. If a report of a mathematical development is a necessary part of a paper it is important to ensure that it is there only as an integral part of a practical solution to a problem and is supported by data. Applied Acoustics encourages the exchange of practical experience in the following ways: • Complete Papers • Short Technical Notes • Review Articles; and thereby provides a wealth of technological information that can be used to solve related problems. Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome.