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Low-Frequency Bandgaps of the Lightweight Single-Phase Acoustic Metamaterials with Locally Resonant Archimedean Spirals

In order to achieve the dual needs of single-phase vibration reduction and lightweight, a square honeycomb acoustic metamaterials with local resonant Archimedean spirals (SHAMLRAS) is proposed. The independent geometry parameters of SHAMLRAS structures are acquired by changing the spiral control equ...

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Autores principales: Gao, Haoqiang, Yan, Qun, Liu, Xusheng, Zhang, Ying, Sun, Yongtao, Ding, Qian, Wang, Liang, Xu, Jinxin, Yan, Hao
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8746024/
https://www.ncbi.nlm.nih.gov/pubmed/35009519
http://dx.doi.org/10.3390/ma15010373
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author Gao, Haoqiang
Yan, Qun
Liu, Xusheng
Zhang, Ying
Sun, Yongtao
Ding, Qian
Wang, Liang
Xu, Jinxin
Yan, Hao
author_facet Gao, Haoqiang
Yan, Qun
Liu, Xusheng
Zhang, Ying
Sun, Yongtao
Ding, Qian
Wang, Liang
Xu, Jinxin
Yan, Hao
author_sort Gao, Haoqiang
collection PubMed
description In order to achieve the dual needs of single-phase vibration reduction and lightweight, a square honeycomb acoustic metamaterials with local resonant Archimedean spirals (SHAMLRAS) is proposed. The independent geometry parameters of SHAMLRAS structures are acquired by changing the spiral control equation. The mechanism of low-frequency bandgap generation and the directional attenuation mechanism of in-plane elastic waves are both explored through mode shapes, dispersion surfaces, and group velocities. Meanwhile, the effect of the spiral arrangement and the adjustment of the equation parameters on the width and position of the low-frequency bandgap are discussed separately. In addition, a rational period design of the SHAMLRAS plate structure is used to analyze the filtering performance with transmission loss experiments and numerical simulations. The results show that the design of acoustic metamaterials with multiple Archimedean spirals has good local resonance properties, and forms multiple low-frequency bandgaps below 500 Hz by reasonable parameter control. The spectrograms calculated from the excitation and response data of acceleration sensors are found to be in good agreement with the band structure. The work provides effective design ideas and a low-cost solution for low-frequency noise and vibration control in the aeronautic and astronautic industries.
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spelling pubmed-87460242022-01-11 Low-Frequency Bandgaps of the Lightweight Single-Phase Acoustic Metamaterials with Locally Resonant Archimedean Spirals Gao, Haoqiang Yan, Qun Liu, Xusheng Zhang, Ying Sun, Yongtao Ding, Qian Wang, Liang Xu, Jinxin Yan, Hao Materials (Basel) Article In order to achieve the dual needs of single-phase vibration reduction and lightweight, a square honeycomb acoustic metamaterials with local resonant Archimedean spirals (SHAMLRAS) is proposed. The independent geometry parameters of SHAMLRAS structures are acquired by changing the spiral control equation. The mechanism of low-frequency bandgap generation and the directional attenuation mechanism of in-plane elastic waves are both explored through mode shapes, dispersion surfaces, and group velocities. Meanwhile, the effect of the spiral arrangement and the adjustment of the equation parameters on the width and position of the low-frequency bandgap are discussed separately. In addition, a rational period design of the SHAMLRAS plate structure is used to analyze the filtering performance with transmission loss experiments and numerical simulations. The results show that the design of acoustic metamaterials with multiple Archimedean spirals has good local resonance properties, and forms multiple low-frequency bandgaps below 500 Hz by reasonable parameter control. The spectrograms calculated from the excitation and response data of acceleration sensors are found to be in good agreement with the band structure. The work provides effective design ideas and a low-cost solution for low-frequency noise and vibration control in the aeronautic and astronautic industries. MDPI 2022-01-05 /pmc/articles/PMC8746024/ /pubmed/35009519 http://dx.doi.org/10.3390/ma15010373 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Gao, Haoqiang
Yan, Qun
Liu, Xusheng
Zhang, Ying
Sun, Yongtao
Ding, Qian
Wang, Liang
Xu, Jinxin
Yan, Hao
Low-Frequency Bandgaps of the Lightweight Single-Phase Acoustic Metamaterials with Locally Resonant Archimedean Spirals
title Low-Frequency Bandgaps of the Lightweight Single-Phase Acoustic Metamaterials with Locally Resonant Archimedean Spirals
title_full Low-Frequency Bandgaps of the Lightweight Single-Phase Acoustic Metamaterials with Locally Resonant Archimedean Spirals
title_fullStr Low-Frequency Bandgaps of the Lightweight Single-Phase Acoustic Metamaterials with Locally Resonant Archimedean Spirals
title_full_unstemmed Low-Frequency Bandgaps of the Lightweight Single-Phase Acoustic Metamaterials with Locally Resonant Archimedean Spirals
title_short Low-Frequency Bandgaps of the Lightweight Single-Phase Acoustic Metamaterials with Locally Resonant Archimedean Spirals
title_sort low-frequency bandgaps of the lightweight single-phase acoustic metamaterials with locally resonant archimedean spirals
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8746024/
https://www.ncbi.nlm.nih.gov/pubmed/35009519
http://dx.doi.org/10.3390/ma15010373
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