Results 121 to 130 of about 3,555 (220)

Acoustic metamaterial models on the (2+1)D Schwarzschild plane [PDF]

, 2019
[EN] Recent developments in acoustic metamaterial engineering have led to the design and fabrication of devices with formidable properties, such as acoustic cloaking, superlenses and ultra-sound waves.
Weinmüller, Ewa B., Tung, Michael M.; orcid:, Tung, Michael Ming-Sha   +2 more
core   +1 more source

Acoustic double negativity with coupled-membrane metamaterial

, 2013
Over the past decade, the emergence of acoustic metamaterials has considerably broadened the possibility of acoustic wave manipulations. Within this area, exotic effective constitutive parameters (mass density and bulk modulus) are a most hotly pursued ...
Sheng, Ping, Min Yang, Yang, Min, Guancong Ma, Zhiyu Yang, Ma, Guancong, Yang, Zhiyu, Ping Sheng   +7 more
core   +1 more source

Acoustic Metamaterial With Fractal Coiling Up Space for Sound Blocking in a Deep Subwavelength Scale

, 2017
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 smaller coiling up space, a class of topological architectures ...
Baizhan Xia, Dejie Yu, Jian Liu, Liping Li   +3 more
core   +1 more source

Analysis of Influencing Factors for Stackable and Expandable Acoustic Metamaterial with Multiple Tortuous Channels. [PDF]

Materials (Basel), 2023
Bi S, Yang F, Shen X, Zhang J, Yang X, Zhang H, Peng W.   +6 more
europepmc   +1 more source

Manipulating the extraordinary acoustic transmission through metamaterial-based acoustic band gap structures

, 2014
We report theoretical predictions and experimental results on the formation of pass bands and stop bands of extraordinary acoustic transmission in multilayer structures based on alternating layers of acoustic metamaterial and air. The metamaterial layers
Aközbek, N., Bloemer, M. J., Sanghadasa, M., Mattiucci, N., D'Aguanno, Giuseppe   +4 more
core   +1 more source

Ultrathin acoustic metamaterial as super absorber for broadband low-frequency underwater sound. [PDF]

Sci Rep, 2023
Zhou X, Wang X, Xin F.
europepmc   +1 more source

Low frequency acoustic properties of bilayer membrane acoustic metamaterial with magnetic oscillator

, 2017
A bilayer membrane acoustic metamaterial was proposed to overcome the influence of the mass law on traditional acoustic materials and obtain a lightweight thin-layer structure that can effectively isolate low frequency noise. The finite element analysis (
Hong Hou, Yihao Mu, Nansha Gao
core   +1 more source

Low acoustic impedance arc-shaped chiral metamaterials for low-frequency and broadband underwater sound insulation

Materials & Design
This work proposes an arc-shaped chiral metamaterial (ACM) for low-frequency underwater sound insulation. The equivalent parameters of the designed arc-shaped chiral lattice (ACL) in the metamaterial are derived and evaluated using homogenization method.
Chao Wang, Zhoufu Zheng, Yutong Qin, Qi Jia, Runan Hua, Haibin Yang, Dianlong Yu   +6 more
doaj   +1 more source

Study on a Hexagonal Acoustic Metamaterial Cell of Multiple Parallel-Connection Resonators with Tunable Perforating Rate. [PDF]

Materials (Basel), 2023
Cheng H, Yang F, Shen X, Yang X, Zhang X, Bi S.   +5 more
europepmc   +1 more source

Acoustic computational metamaterials [PDF]

Chinese Science Bulletin, 2021
Zengyao Lü, Yuanshuai Ding, Peng Liu, Yongmao Pei   +3 more
openaire   +1 more source