Sound transmission loss of plate-type metastructures: Semi-analytical modeling, elaborate analysis, and experimental validation

Yong Xiao,Jianzhi Cao,Shuaixing Wang,Jiajia Guo,Jihong Wen,Hao Zhang

Mechanical Systems and Signal Processing（2021）

引用 23|浏览4

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摘要

•Metastructure with simple construction yet excellent low-frequency STL.•Semi-analytical method based on fast retrieval of dynamic effective mass.•Revealing of mechanisms via Bloch wave dispersion and Bloch wave modes.•Parametric design guideline for achieving broadband high diffuse STL.•Experimental validation of parametric design guideline.

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关键词

Metastructure,Metamaterial,Sound transmission loss,Sound insulation,Low frequency

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