Parametric design and energy absorption of non-uniform classic honeycombs mapped by topology optimization

被引：5
|
作者：
Zou, Zhen [1 ,2 ]
Xu, Fengxiang [1 ,2 ,3 ]
Xu, Zhizhao [1 ,2 ]
Niu, Xiaoqiang [1 ,2 ]
Fang, Tengyuan [1 ,2 ]
机构：
[1] Wuhan Univ Technol, Hubei Key Lab Adv Technol Automot Components, Wuhan, Peoples R China
[2] Wuhan Univ Technol, Hubei Collaborat Innovat Ctr Automot Components T, Wuhan, Peoples R China
[3] Wuhan Univ Technol, Hubei Key Lab Adv Technol Automot Components, Luoshi Rd 122, Wuhan 430074, Hubei, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2024年 / 31卷 / 26期
基金：
中国国家自然科学基金;
关键词：
Honeycomb; non-uniform design; topology optimization; energy absorption; finite element analysis; MULTISCALE APPROACH; IMPACT; TUBES; BEAMS;
D O I：
10.1080/15376494.2023.2259911
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this article, a non-uniform design method mapped by density-based topology optimization is proposed and applied to the classic hexagonal honeycombs. A parametric investigation is conducted to explore the effect of crucial factors on the in-plane and out-of-plane crashing behaviors and energy absorption of the non-uniform honeycomb mapped by topology optimization. Compared to classic hexagonal honeycombs, the in-plane specific energy absorption of the non-uniform honeycomb mapped by topology optimization is improved by 29.1%, and its peak stress is decreased by 16.9%. Meanwhile, the out-of-plane specific energy absorption is increased by 19.8% without a significant rise in peak stress.
引用
收藏
页码：8501 / 8515
页数：15
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