Numerical investigation of axial crushing behavior of a tailor welded tube

被引：29
作者：
Gedikli, Hasan [1 ]
机构：
[1] Karadeniz Tech Univ, Dept Mech Engn, TR-61080 Trabzon, Turkey
来源：
MATERIALS & DESIGN | 2013年 / 44卷
关键词：
THIN-WALLED STRUCTURES; ENERGY-ABSORPTION CHARACTERISTICS; OPTIMIZATION; ABSORBERS; COLUMNS;
D O I：
10.1016/j.matdes.2012.08.050
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study aimed to determine numerically the crashworthiness performances of tubular members made of aluminum (AL6061-T6), high strength steels (AISI1018, HSLA350, DP600, DP800) and tailor-welded tubes (TWTs), which are composed of aluminum and high strength steels (AL6061-T6& AISI1018, AL6061-T6& HSLA350, AL6061-T6& DP600, AL6061-T6& DP800). Numerical analyses were carried out to investigate the effects of material type, thickness and aspect ratio (tube length to diameter ratio) of tube using the commercially available finite element analysis package Ls-Dyna. Absorbed energy and crushing force variations against the crushing displacement were obtained to determine the axial crushing performance of TWTs. Results showed that the absorbed energy and crushing force can be favorably adjusted by choosing the TWTs with different materials and thickness. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：587 / 595
页数：9
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