In-Plane Dynamic Impact Characteristics of the Quasi-Honeycomb Structure

doi:10.7652/xjtuxb201703014

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In-Plane Dynamic Impact Characteristics of the Quasi-Honeycomb Structure

更新时间：2025-07-09

- In-Plane Dynamic Impact Characteristics of the Quasi-Honeycomb Structure
- Vol. 51, Issue 3, Pages: 80-86+110(2017)
- 作者机构：
  
  1. 三峡大学水电机械设备设计与维护湖北省重点实验室,湖北,宜昌,443002
  2. 三峡大学机械与动力学院,湖北,宜昌,443002
  3. 新能源微电网湖北省协同创新中心(三峡大学),湖北,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201703014
  CLC： O347.3;TB333
- Online First：10 March 2017，
  
  Published：2017
- 稿件说明：
移动端阅览
In-Plane Dynamic Impact Characteristics of the Quasi-Honeycomb Structure[J]. 2017, 51(3): 80-86+110.
DOI：

In-Plane Dynamic Impact Characteristics of the Quasi-Honeycomb Structure[J]. 2017, 51(3): 80-86+110. DOI： 10.7652/xjtuxb201703014.

摘要

以类蜂窝结构为研究对象

讨论了不同冲击速度作用下该结构的面内冲击力学性能及能量吸收能力

并与传统的六边形蜂窝结构在不同方向冲击作用下的变形模式、比吸收能量进行了对比。研究结果表明:在低速冲击下

类蜂窝结构先后表现出V形、X形、K形及I形等局部变形特征; 在中高速冲击下

类蜂窝结构中的六边形与四边形胞元交替压溃

并从冲击端的I形局部变形逐步扩展到固定端; 随着冲击速度增大

类蜂窝表现出更强的能量吸收能力

且与六边形蜂窝相比

其能量吸收过程不受冲击方向的影响

更加稳定可靠。研究结论可望为进一步研究同一结构模型不同布置方式的类蜂窝结构的动态冲击特性提供依据。

Abstract

The mechanical properties of in-plane impact and energy absorbing capabilities of the sandwich quasi-honeycomb structure at different impact speeds are discussed

and the deformation mechanisms and specific energy absorbing capabilities of the quasi-honeycomb structure and traditional hexagonal honeycomb structure under the impact from different direction are compared. Results show that: 1)under low-speed impact

the quasi-honeycomb structure exhibits the partial deformation characteristics of V-type

X-type

K-type and I-type

etc.; 2)under middle-speed impact

the hexagonal and quadrilateral cellular units in the quasi-honeycomb structure are alternately crushed and the partial deformation of I-type gradually extends from impact end to fixed; and 3)compared with hexagonal honeycomb structure

the energy absorption capability and energy absorption process of the quasi-honeycomb structure are more stable and reliable without the effect of impact direction. Conclusions derived from this study may offer a basis for further research of the dynamic impact characteristics of sandwich quasi-honeycomb structure in different structural arrangements.

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references

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