Research Progress of Acoustic Metamaterials for Vibration and Noise Reduction Applications

doi:10.3901/JME.2023.19.277

Abstract

Abstract: Acoustic metamaterials are composite acoustic materials/structures constructed by arrays of artificial microstructure units. By designing the microstructure units and their arrangement in acoustic metamaterials, it is possible to efficiently manipulate acoustic waves and elastic waves that can be regarded as acoustic waves in solids, and achieve extraordinary vibration and noise reduction performance and advantages. Currently, the study on acoustic metamaterials has become a hot topic in the interdisciplinary fields of mechanical engineering, acoustics, mechanics, materials science, and physics. Focusing on the background of vibration and noise control technology in the field of mechanical engineering, the research progress of acoustic metamaterials for vibration reduction and noise reduction applications is reviewed. Starting from the functional application requirements of low-frequency vibration reduction, sound insulation, and sound absorption, it provides a survey of the recent studies of acoustic metamaterials, points out the current research shortcomings, and looks forward to future development trends. The review can provide reference and guidance for promoting the application of acoustic metamaterials in the field of vibration and noise reduction.

Key words: acoustic metamaterial, vibration reduction, sound insulation, sound absorption, low frequency

CLC Number:

TB535

XIAO Yong, WANG Yang, ZHAO Honggang, YU Dianlong, WEN Jihong. Research Progress of Acoustic Metamaterials for Vibration and Noise Reduction Applications[J]. Journal of Mechanical Engineering, 2023, 59(19): 277-298.

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