Analytical method for the axial crushing force of fiber-reinforced tapered square metal tubes

被引：19
|
作者：
Ying, L. W. [1 ]
Yang, F. P. [1 ]
Wang, X. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
来源：
COMPOSITE STRUCTURES | 2016年 / 153卷
基金：
中国国家自然科学基金;
关键词：
Crushing characteristics; Fiber-reinforced tapered square metal tubes; Analytical method; Finite element simulation; COMPOSITE HYBRID TUBES; THIN-WALLED TUBES; ENERGY-ABSORPTION; COMPUTER-SIMULATION; IMPACT; COLLAPSE; BEHAVIOR;
D O I：
10.1016/j.compstruct.2016.05.108
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
An analytical method is presented to solve the energy absorption behavior of fiber-reinforced tapered square metal tubes under axial loading. Based on the axial collapse model of square metal thin-walled structures by Wierzbicki and the finite element simulate to fiber-reinforced tapered square metal tubes, a simplified collapse model of fiber-reinforced tapered square metal tubes is presented, and the corresponding analytical solution is given based on an empirical equation getting the proportionality coefficient lambda from finite element simulation. Experiment data and finite element simulation are utilized for validating the rationality of the analytical method proposed in this paper. The influences of fiber wrapped orientation, wall thickness of fiber layer and basic angle of tapered square tubes on the axially crushing force and energy absorption capability of fiber-reinforced tapered square metal tubes are described and discussed. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：222 / 233
页数：12
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