Studies of band gaps in flexural vibrations of a locally resonant beam with novel multi-oscillator configuration

Z Shuguang, N Tianxin, W Xudong… - Journal of Vibration and …, 2017 - journals.sagepub.com
To realize a broadened band gap as a potential application of vibration control in the electric
vehicle powertrain system requires, a novel configuration of locally resonant (LR) beam with …

Phononic layered composites for stress-wave attenuation

S Nemat-Nasser, H Sadeghi, AV Amirkhizi… - Mechanics Research …, 2015 - Elsevier
The aim is to design a layered metamaterial with high attenuation coefficient and high in-
plane stiffness-to-density ratio using homogenization to calculate and optimize the dynamic …

Band structures of Fibonacci phononic quasicrystals

AL Chen, YS Wang, YF Guo, ZD Wang - Solid State Communications, 2008 - Elsevier
The paper studies the band structures of a two-component Fibonacci phononic quasicrystal
which is considered as a phononic crystal disordered in a special way. Oblique propagation …

Analytical and numerical modeling on resonant response of particles in polymer matrix under blast wave

C Wang, Z Liu, L Gao, D Xu, Z Zhuang - Computational Materials Science, 2017 - Elsevier
A novel methodology is proposed in this paper to design polymer matrix with particles for
protecting against the blast wave. Through the adoption of vibration analysis, two kinds of …

A modified star-shaped phononic crystal for the vibration wave filtration in plates: design and experiment

A Hosseinkhani, E Panahi, MF Khansanami… - Archive of Applied …, 2023 - Springer
In the present paper, an auxetic tape composed of modified star-shaped unit cells is used to
filter the propagation of elastic waves in two-dimensional structures. The pattern of the …

Low-frequency vibration suppression of a multi-layered elastic metamaterial shaft with discretized scatters

L Li, R Lv, A Cai, M Xie, Y Chen… - Journal of Physics D …, 2018 - iopscience.iop.org
With the aim to reduce the total structural weight, this paper presents a novel radial multi-
layered elastic metamaterial (EM) shaft in which the scattering layer is circumferentially …

Analysis and enhancement of torsional vibration stopbands in a periodic shaft system

Y Song, J Wen, D Yu, X Wen - Journal of Physics D: Applied …, 2013 - iopscience.iop.org
The band structure and the enhancement of stopbands in a periodic shaft are investigated.
The band structures created by a hard ring and a locally resonant (LR) ring are studied first …

The influence of viscosity on band gaps of 2D phononic crystal

PJ Wei, YP Zhao - Mechanics of Advanced Materials and Structures, 2010 - Taylor & Francis
The influence of viscosity on band gaps of 2D phononic crystal is studied in this paper. The
standard solid model is used to simulate the viscoelastic behavior of the host material …

Evolution of low-frequency phononic band gaps using quasi-periodic/defected phononic crystals

A Mehaney, AAS Hassan - Materials Research Express, 2019 - iopscience.iop.org
Quasi-periodic structures can offer solutions to overcome the problem of low-frequency
phononic band gaps with very small-size compared with the periodic or defected ones. In …

失谐周期结构中振动局部化问题的研究进展

李凤明, 汪越胜, 黄文虎, 胡超 - 力学进展, 2005 - cqvip.com
周期结构在工程中有很多应用实例, 其具有频率通带和禁带等特殊力学性质.
失谐可使周期结构的力学特性产生本质变化, 即失谐周期结构中存在振动局部化现象 …