Finite element modeling of the crushing behavior of thin-walled CFRP tubes under axial compression

被引：90

作者：

Siromani, Deepak ^{[1
]}

Awerbuch, Jonathan ^{[1
]}

Tan, Tein-Min ^{[1
]}

机构：

[1] Drexel Univ, Dept Mech Engn & Mech, Philadelphia, PA 19104 USA

来源：

COMPOSITES PART B-ENGINEERING | 2014年 / 64卷

基金：

美国国家科学基金会;

关键词：

Carbon fiber; Laminates; Finite element analysis (FEA); Laminate mechanics; ENERGY-ABSORPTION; STRUCTURAL COMPONENTS; SIMULATION;

D O I：

10.1016/j.compositesb.2014.04.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A finite element modeling methodology was developed to study the crushing behavior and energy absorption characteristics of graphite/epoxy laminated circular tubes. Laminated tubes were modeled using multiple layers of shell elements with layers being tied together using tiebreak contact. A progressive damage model was used to simulate the failure within each layer while a mesh-independent energybased failure criterion for the tiebreaks was implemented in the model to effectively simulate the delamination between layers during the crushing process. Simulation results compared very well with the experiments in terms of the load displacement behavior, specific energy absorption, and surface strain distribution, and provided a good depiction of the failure process. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：50 / 58

页数：9

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