Structural designs, principles, and applications of thin-walled membrane and plate-type acoustic/elastic metamaterials

F Ma, C Wang, C Liu, JH Wu - Journal of Applied Physics, 2021 - pubs.aip.org
Many advanced physical properties can be realized by using well-designed acoustic
metamaterial (AM) structures, which have significant application value in engineering. In …

Comparative study of sound transmission losses of sandwich composite double panel walls

CW Isaac, M Pawelczyk, S Wrona - Applied Sciences, 2020 - mdpi.com
The increasing motivation behind the recently wide industrial applications of sandwich and
composite double panel structures stems from their ability to absorb sounds more effectively …

Double-panel metastructure lined with porous material for broadband low-frequency sound insulation

S Wang, Y Xiao, J Gu, C Hu, H Zhang, J Wen - Applied Acoustics, 2023 - Elsevier
Insulating low-frequency sound using lightweight structures is very difficult according to the
classical mass law. To challenge this problem, we present a comprehensive theoretical …

Broadening low-frequency bandgaps in locally resonant piezoelectric metamaterials by negative capacitance

K Yi, M Collet - Journal of Sound and Vibration, 2021 - Elsevier
This paper combines negative capacitance (NC) with inductance (L) to enlarge low-
frequency bandgap width in locally resonant piezoelectric metamaterials. The studied …

Research Progress on Thin-Walled Sound Insulation Metamaterial Structures

Y Zhang, J Zhang, Y Li, D Yao, Y Zhao, Y Ai, W Pan… - Acoustics, 2024 - mdpi.com
Acoustic metamaterials (AMs) composed of periodic artificial structures have extraordinary
sound wave manipulation capabilities compared with traditional acoustic materials, and they …

Design of cylindrical honeycomb sandwich meta-structures for vibration suppression

Y Jin, XY Jia, QQ Wu, GC Yu, XL Zhang, S Chen… - … Systems and Signal …, 2022 - Elsevier
In this study, a lightweight cylindrical honeycomb sandwich structure with low-frequency
vibration attenuation ability is designed. An analytical model based on Love shell theory is …

Rotational and multimodal local resonators for broadband sound insulation of orthotropic metamaterial plates

D Giannini, M Schevenels, EPB Reynders - Journal of Sound and Vibration, 2023 - Elsevier
Locally resonant metamaterials are employed to increase the sound insulation of a host
structure. In orthotropic host structures, the direction-dependent bending stiffness leads to a …

Uncertainties in the attenuation performance of a multi-frequency metastructure from additive manufacturing

AT Fabro, H Meng, D Chronopoulos - Mechanical Systems and Signal …, 2020 - Elsevier
Additive manufacturing has been used to propose several designs of phononic crystals and
metamaterials due to the low cost to produce complex geometrical features. However, like …

Metamaterial-based absorbers for simultaneous absorption of air-borne sound and structural vibration

S Xu, P Sun, X Wang, C Zhao, Z Huang - International Journal of …, 2024 - Elsevier
In this work, the idea of metamaterial-based absorbers is further extended to develop the
concept of sound and vibration absorbers (SVA) capable of simultaneously absorbing sound …

[PDF][PDF] 轻质超材料板结构的隔声机理及调控规律

王帅星, 肖勇, 汤晏宁, 吴健, 滕万秀, 温激鸿 - 机械工程学报, 2023 - qikan.cmes.org
超材料板结构因具有低频超常隔声性能, 得到了噪声控制研究领域的广泛关注.
然而已有超材料板结构普遍存在结构构造复杂的不足, 不利于大规模工程应用 …