Quasi-one-dimensional phononic crystals studied using the improved lumped-mass method: Application to locally resonant beams with flexural wave band gap

G Wang, J Wen, X Wen - Physical Review B—Condensed Matter and Materials …, 2005 - APS
By replacing the rectangle cells with arbitrary triangle ones, an improved lumped-mass
method is introduced to study the propagation of flexural elastic waves in the infinite quasi …

Large low-frequency vibration attenuation induced by arrays of piezoelectric patches shunted with amplifier–resonator feedback circuits

G Wang, S Chen - Smart Materials and Structures, 2015 - iopscience.iop.org
Periodic arrays of piezoelectric patches shunted by amplifier–resonator circuits are attached
to a beam in order to gain large low-frequency attenuations in the propagation of flexural …

Metadamping: dissipation emergence in elastic metamaterials

CL Bacquet, H Al Ba'ba'a, MJ Frazier, M Nouh… - Advances in applied …, 2018 - Elsevier
Resonant elastic metamaterials are artificial material systems that exhibit unique dynamical
properties shaped by the intrinsic interaction between resonances and traveling dispersive …

[PDF][PDF] 一维准周期结构声子晶体透射性质的研究

曹永军, 董纯红, 周培勤 - 2006 - wulixb.iphy.ac.cn
提出了一维准周期结构的声子晶体模型. 对弹性波通过该一维准周期结构声子晶体的透射系数
进行了数值计算, 并与周期结构的透射系数进行了比较. 计算结果表明, 弹性波通过一维准周期 …

Multi-frequency band gap and active frequency modulation of snowflake-like convex horn ligament structure

S Cheng, X Li, Y Wang, B Wang, Y Sun, Q Yan… - European Journal of …, 2023 - Elsevier
In order to realize the vibration reduction and sound insulation within the recognizable
frequency of human ear within 20000 Hz, this paper proposes a new type of multi-functional …

Local resonances in phononic crystals and in random arrangements of pillars on a surface

Y Achaoui, V Laude, S Benchabane… - Journal of Applied …, 2013 - pubs.aip.org
The propagation of surface acoustic waves in two-dimensional phononic crystals of pillars
on a surface is investigated experimentally for hexagonal and honeycomb lattice …

[HTML][HTML] Enlargement of locally resonant sonic band gap by using composite plate-type acoustic metamaterial

Y Li, T Chen, X Wang, Y Xi, Q Liang - Physics Letters A, 2015 - Elsevier
We numerically investigate the propagation characteristics of Lamb waves in composite
plate-type acoustic metamaterial constituted of one-side cylindrical stubs deposited on a two …

Low and ultra-wide frequency wave attenuation performance and tunability of a new cruciate ligament structure

S Cheng, X Li, Q Yan, B Wang, Y Sun, Y Xin… - European Journal of …, 2023 - Elsevier
This paper presents two novel cruciate ligament structures with outstanding contributions in
lightweight design of metamaterials, band gap tuning, and ultra-wide and ultra-low …

Sound absorption properties of the metamaterial curved microperforated panel

Y Zhang, Z Zhu, Z Sheng, Y He, G Wang - International Journal of …, 2024 - Elsevier
This paper proposes a metamaterial that utilizes resonators to enhance the sound
absorption capacity of the curved microperforated panel (CMPP), and reliable theoretical …

Accurate evaluation of lowest band gaps in ternary locally resonant phononic crystals

W Gang, S Li-Hui, L Yao-Zong, W Ji-Hong - Chinese Physics, 2006 - iopscience.iop.org
Based on a better understanding of the lattice vibration modes, two simple spring–mass
models are constructed in order to evaluate the frequencies on both the lower and upper …