Prediction of Crushing Response for Metal Hexagonal Honeycomb under Quasi-Static Loading

被引：5

作者：

Geng, Xinyu ^{[1
]}

Liu, Yufei ^{[1
]}

Zheng, Wei ^{[1
]}

Wang, Yongbin ^{[2
]}

Li, Meng ^{[1
]}

机构：

[1] China Acad Space Technol, Qian Xuesen Lab Space Technol, Youyi St 104, Beijing 100094, Peoples R China

[2] China Acad Space Technol, Beijing Inst Mech & Elect, Youyi St 104, Beijing 100094, Peoples R China

来源：

SHOCK AND VIBRATION | 2018年 / 2018卷

基金：

中国国家自然科学基金;

关键词：

NUMERICAL-SIMULATION; MULTIOBJECTIVE OPTIMIZATION; THEORETICAL PREDICTION; DESIGN OPTIMIZATION; CELL SPECIFICATIONS; ENERGY-ABSORPTION; AXIAL CRUSH; IMPACT; MULTICELL; BEHAVIOR;

D O I：

10.1155/2018/8043410

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

To provide a theoretical basis for metal honeycombs used for buffering and crashworthy structures, this study investigated the out-of-plane crushing of metal hexagonal honeycombs with various cell specifications. The mathematical models of mean crushing stress and peak crushing stress for metal hexagonal honeycombs were predicted on the basis of simplified super element theory. The experimental study was carried out to check the accuracy of mathematical models and verify the effectiveness of the proposed approach. The presented theoretical models were compared with the results obtained from experiments on nine types of honeycombs under quasi-static compression loading in the out-of-plane direction. Excellent correlation has been observed between the theoretical and experimental results.

引用

页数：10

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