A Numerical Model for Post-Buckling Analysis of Composite Shear Webs

被引：3
|
作者：
Arbelo, Mariano A. [1 ]
Mueller de Almeida, Sergio Frascino [1 ]
Donadon, Mauricio V. [1 ]
机构：
[1] Inst Tecnol Aeronaut, Dept Mech Engn, BR-12228900 Sao Jose Dos Campos, SP, Brazil
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2010年 / 17卷 / 05期
关键词：
non-linear; post-buckling; damage; finite elements; shear webs; composite; FAILURE; PANELS;
D O I：
10.1080/15376494.2010.487033
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents a detailed numerical investigation of the post-buckling behavior of composite shear webs using the finite element method. The numerical analysis accounts for material and geometric non-linearity effects and has been divided into three steps. The first step consists of computing the critical buckling loads as well as their corresponding buckling modes. Geometric imperfections described approximately in terms of linear combinations of different normal modes are then introduced into the model. Finally a quasi-static analysis is carried out including a progressive failure model. The progressive failure model has been implemented as a user defined material model within shell elements in Abaqus/Explicit (R) finite element code.
引用
收藏
页码：313 / 319
页数：7
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