Acoustic metamaterials: A review of theories, structures, fabrication approaches, and applications

G Liao, C Luan, Z Wang, J Liu… - Advanced Materials …, 2021 - Wiley Online Library
Acoustic metamaterials (AMs), which are materials composed of subwavelength periodic
artificial structures with specific designs, have drawn significant research attention. This is …

[HTML][HTML] Fractal labyrinthine acoustic metamaterial in planar lattices

J Liu, L Li, B Xia, X Man - International Journal of Solids and Structures, 2018 - Elsevier
Labyrinthine acoustic metamaterial provides a flexible and unprecedented ability to
manipulate the sound wave propagation, such as sound blocking, cloaking, supertunneling …

Meta-arrest of a fast propagating crack in elastic wave metamaterials with local resonators

KX Huang, GS Shui, YZ Wang, YS Wang - Mechanics of Materials, 2020 - Elsevier
In this study, the dynamic effective mass and effects of local resonators on the crack growth
are investigated. Based on Wiener-Hopf method and factorization using Cauchy-type …

Zero-reflection acoustic metamaterial with a negative refractive index

CM Park, SH Lee - Scientific reports, 2019 - nature.com
Waves are reflected to varying degrees at the boundary between two different media. A
reduction of this reflection is important for many materials, including acoustic metamaterials …

Phononic crystal coupled mie structure for acoustic amplification

J Han, G Hao, W Yang, X Zhao - Crystals, 2023 - mdpi.com
In the field of industrial structure detection, acoustic signals have been pivotal. A cost-
effective and highly sensitive acoustic monitoring system that can enhance weak acoustic …

A polynomial‐based method for topology optimization of phononic crystals with unknown‐but‐bounded parameters

L Xie, J Liu, G Huang, W Zhu… - International Journal for …, 2018 - Wiley Online Library
The design and analysis of phononic crystals (PnCs) are generally based on the
deterministic models without considering the effects of uncertainties. However, uncertainties …

Total acoustic transmission in a honeycomb network empowered by compact acoustic isolator

H Zhang, R Li, Y Bao, X Liu, Y Zhang - Scientific Reports, 2023 - nature.com
In recent years, acoustic metamaterials have exhibited extraordinary potential for
manipulating the propagation of sound waves. However, it has been a challenge to control …

Acoustic metamaterial with fractal coiling up space for sound blocking in a deep subwavelength scale

B Xia, L Li, J Liu, D Yu - Journal of Vibration and …, 2018 - asmedigitalcollection.asme.org
Inspired by fractal photonic/phononic crystals, the self-similar fractal technique is applied to
design acoustic metamaterial. By replacing the straight channel of coiling up space with a …

Topological valley vortex manipulation of microparticles in phononic crystals

H Dai, T Chen, J Jiao, B Xia, D Yu - Journal of Applied Physics, 2019 - pubs.aip.org
Topological valley states, emerging as an exciting field in condensed matter physics, are
attracting attention because of their potential as a new type of information carrier with orbital …

Plate-type metamaterials for extremely broadband low-frequency sound insulation

X Wang, X Guo, T Chen, G Yao - International Journal of Modern …, 2018 - World Scientific
A novel plate-type acoustic metamaterial with a high sound transmission loss (STL) in the
low-frequency range (≤ 1000 Hz) is designed, theoretically proven and then experimentally …