Energy absorption characteristics of a double-filled sinusoidal corrugated filled tube under axial impact

被引：5
|
作者：
Deng, Xiaolin [1 ]
Yang, Fumo [2 ]
机构：
[1] Wuzhou Univ, Sch Elect & Informat Engn, Wuzhou, Peoples R China
[2] Guangxi Univ, Sch Mech Engn, Nanning, Peoples R China
来源：
JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING | 2024年 / 46卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Sinusoidal corrugated curve; Filling tube; Crashworthiness; Interaction effect; Energy absorption; ALUMINUM FOAM; CRASHWORTHINESS ANALYSIS; DESIGN; BEHAVIOR;
D O I：
10.1007/s40430-024-04961-4
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
On the basis of the double-filled circular filled tube (DF-CFT), the sinusoidal corrugated curve is replaced by the circular curve, and the double-filled sinusoidal corrugated filled tube (DF-SCFT) is proposed. Firstly, the axial impact energy absorption characteristics of the circular tube, aluminum foam cylinder, and single-filled circular filled tubes (SF-CFT) were studied under a quasi-static compression experiment. The subsequent finite element model, created using the finite element software Abaqus/Explicit and Pro/Engineer, is verified for accuracy by Abaqus/Explicit. A crashworthiness analysis reveals that the DF-A5N5 (DF-SCFT with amplitude A of 5 mm and wave number N of 4) demonstrates improved energy absorption performance and interaction effects, with its specific energy absorption (SEA) being 13.92% higher than that of a DF-CFT. Then, the parameterization of the DF-SCFT is studied systematically. The structures investigated in this paper can serve as a reference for the innovative design of filling structures.
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收藏
页数：23
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