不同截面形状薄壁构件斜向碰撞性能分析

doi:10.16039/j.cnki.cn22-1249.2018.09.007

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摘要

本文采用非线性有限元软件LS-DYNA，分别对圆形、正方形、长方形、正六边形、正八边形等截面形状不同，但质量相同的薄壁构件，在斜向载荷撞击下的抗撞性能进行数值分析计算。得到了其在不同载荷角下的碰撞响应，并对其变形模式、吸能特性和最大峰值冲击载荷进行了比较，数值计算结果表明：正方形截面薄壁构件在斜向冲击下的抗撞性能最优，长方形截面最弱。

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	谭丽辉
	谭洪武

关键词: 薄壁构件不同截面抗撞性斜向碰撞

Abstract:

The collision response of the same quality thin-walled components with different cross-section such as circular、square、rectangle、hexagonal and octagonal were got by using nonlinear element soft LS-DYNA at different oblique load. Deformation mode, the peak force-crushing and energy absorption characteristics of all thin-walled components with different cross section were compared. The numerical results showed crashworthiness of square-shaped thin-walled members were significantly better than others, but the rectangular cross section was the weakest.

Key words: thin-walled components different cross-section crashworthiness oblique impact

出版日期: 2018-09-25 发布日期: 2018-09-25 整期出版日期: 2018-09-25

TH123.1

引用本文:

谭丽辉, 谭洪武. 不同截面形状薄壁构件斜向碰撞性能分析 [J]. 吉林化工学院学报, 2018, 35(9): 32-35.
TAN Li-hui, TAN Hong-wu. The Crashworthiness Analysis of different Cross-Section Thin-Walled Components . Journal of Jilin Institute of Chemical Technology, 2018, 35(9): 32-35.

链接本文:

https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2018.09.007 或 https://xuebao.jlict.edu.cn/CN/Y2018/V35/I9/32

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