Stress wave attenuation characteristics of periodic layered tube structures under impact loadings

被引：0

作者：

Li Y. ^{[1
,2
]}

Zhou L. ^{[2
]}

Zhu L. ^{[2
]}

Guo K. ^{[2
]}

机构：

[1] Key Lab of High Performance Ship Technology, Wuhan University of Technology, Ministry of Education, Wuhan

[2] School of Transportation, Wuhan University of Technology, Wuhan

来源：

Zhendong yu Chongji/Journal of Vibration and Shock | 2019年 / 38卷 / 05期

关键词：

Band gap; Impact resistance; Periodic layered tubes; SHPB; Stress wave attenuation;

D O I：

10.13465/j.cnki.jvs.2019.05.017

中图分类号：

学科分类号：

摘要：

Here, dynamic behavior, stress wave propagation and attenuation characteristics of periodic layered tubes under impact loadings were investigated with the split Hopkinson pressure bar (SHPB) device combining with the finite element numerical simulation. Based on the solid lattice energy band theory, periodic layered tube structures' band gap characteristics were studied to clarify the relation between energy band structure and stress wave frequency spectrum's attenuation region and analyze the effects of layered tubes' material and structural parameters on band gap. Results showed that the periodic layered tube structures possess good impact stress wave attenuation characteristics and anti-impact performance; their impact stress wave attenuation characteristics are mainly caused by their band gap ones; layered tubes' material and structural parameters can effectively regulate the frequency range and width of band gap. The study results provided a new idea for anti-blast and anti-impact engineering. © 2019, Editorial Office of Journal of Vibration and Shock. All right reserved.

引用

页码：124 / 127and161

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