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Akademický článek

Influence of Boundary Impedance of 3D Cavity on Targeted Energy Transfer between a Damped Acoustic Mode and a Nonlinear Membrane Absorber

Autor: Jianwang Shao, Qimeng Luo, Tao Zeng, Xian Wu

Publikováno v: Machines, Vol 10, Iss 10, p 841 (2022)

In order to apply the nonlinear energy sink (NES) to reduce the low-frequency noise inside a 3D acoustic cavity with an impedance boundary, a two degrees-of-freedom (DOF) dynamic model of the coupled system of one damped acoustic mode of a regular 3D

Externí odkaz: https://doaj.org/article/21421f547dc442c2a9fee4fbacedc699

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Research on suppressing radiation noise of plate inside acoustic cavity based on targeted energy transfer of nonlinear energy sink

Autor: Jianwang Shao, Huihong Zhao, Jinmeng Yang, Qimeng Luo, Xian Wu

Publikováno v: Journal of the Brazilian Society of Mechanical Sciences and Engineering. 45

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8ba5cb97e52b2f8ef64136cdd3e5930
https://doi.org/10.1007/s40430-023-04109-w

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Experimental study on influence of wall acoustic materials of 3D cavity for targeted energy transfer of a nonlinear membrane absorber

Autor: Xian Wu, Guoming Deng, Qimeng Luo, Jinmeng Yang, Chang Jin, Tao Zeng, Jianwang Shao

Publikováno v: Applied Acoustics. 184:108342

In view of applying the membrane nonlinear energy sink (NES) to reduce the low-frequency noise inside vehicle interior with acoustic absorption materials, a simplified acoustic cavity is used to model vehicle interior cavity. The system of one acoust

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9912714d007dd9ddf59e1ff69cf8987e
https://doi.org/10.1016/j.apacoust.2021.108342

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