Investigating the energy absorption, SEA and crushing performance of holed and grooved thin-walled tubes under axial loading with different materials

被引：32

作者：

Montazeri, Saharnaz ^{[1
]}

Elyasi, Majid ^{[2
]}

Moradpour, Amin ^{[3
]}

机构：

[1] McMaster Univ, Dept Mech Engn, Hamilton, ON L8S 1X7, Canada

[2] Babol Noshirvani Univ Technol, Fac Mech Engn, Babol Sar, Iran

[3] Mazandaran Univ Sci & Technol, Dept Management, Babol Sar, Iran

来源：

THIN-WALLED STRUCTURES | 2018年 / 131卷

关键词：

Thin walled tube; Crushing; Specific energy absorbent; Holed and grooved thin-walled tubes; Axial loading; STEEL;

D O I：

10.1016/j.tws.2018.07.024

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In the present study, the crushing mechanism of two types of thin walled structure, holed tube and grooved tube, were analyzed by analytical, numerical and experiments. Plastic deformation was occurring on thin walled tubes by introducing grooves and holes predetermined intervals along the tube. For this purpose, crushing performance of grooved model and holed model were analyzed through finite element simulation and then verified with experiment. Firstly, the comparison of crushing performance, load-displacement curve, energy absorption, mean crushing load and Mass specific energy (SEA) was performed for grooved and holed thin walled tube of mild steel analytically, numerically and experimentally. Secondly, crushing mechanics of holed tube with grooved tube were investigated. At last, the load-displacement curve of holed steel tube and grooved steel were investigated and then the load displacement curve of holed thin walled tube which were made by mild steel and aluminum were investigated. The results indicate that the holed thin walled tube which was made from aluminum has the maximum crushing performance, SEE and energy absorption.

引用

页码：646 / 653

页数：8

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