Structural designs, principles, and applications of thin-walled membrane and plate-type acoustic/elastic metamaterials
Many advanced physical properties can be realized by using well-designed acoustic
metamaterial (AM) structures, which have significant application value in engineering. In …
metamaterial (AM) structures, which have significant application value in engineering. In …
Comparative study of sound transmission losses of sandwich composite double panel walls
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 …
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
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 …
classical mass law. To challenge this problem, we present a comprehensive theoretical …
Broadening low-frequency bandgaps in locally resonant piezoelectric metamaterials by negative capacitance
This paper combines negative capacitance (NC) with inductance (L) to enlarge low-
frequency bandgap width in locally resonant piezoelectric metamaterials. The studied …
frequency bandgap width in locally resonant piezoelectric metamaterials. The studied …
Research Progress on Thin-Walled Sound Insulation Metamaterial Structures
Acoustic metamaterials (AMs) composed of periodic artificial structures have extraordinary
sound wave manipulation capabilities compared with traditional acoustic materials, and they …
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 …
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
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 …
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
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 …
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 …
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 …
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 …