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.

引用

页数：23

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