基于简化Zinoviev力学模型的复合材料层压板失效分析

上海交通大学学报（自然版） ›› 2013, Vol. 47 ›› Issue (08): 1210-1216.

基于简化Zinoviev力学模型的复合材料层压板失效分析

史晓辉，陈秀华，汪海

(上海交通大学航空航天学院，上海 200240)

收稿日期:2012-07-08 出版日期:2013-08-29 发布日期:2013-08-29
基金资助:
上海交通大学研究生创新能力培养专项基金项目（Z413008）

Progressive Failure Analysis of Composite Laminates Based on Simplified Zinoviev Model

SHI Xiaohui,CHEN Xiuhua,WANG Hai

(School of Aeronautics and Astronautics, Shanghai Jiaotong University, Shanghai 200240, China)

Received:2012-07-08 Online:2013-08-29 Published:2013-08-29

摘要/Abstract

摘要：

根据Zinoviev对复合材料单层板的力学行为分析，对单层板在横向载荷和剪切载荷作用下的力学模型进行了简化，并提出了形式简单的刚度折减公式.结合二维Hashin准则，采用增量法，编写了复合材料层压板强度预测程序.应用该程序对典型算例进行了强度预测，结果显示，简化后的模型能够在保证原模型计算精度的基础上，使计算过程更加简化，方便应用.

关键词: 复合材料, 渐进失效, 刚度折减, 增量法

Abstract:

A simple stiffness degradation method was proposed based on the model of individual unidirectional ply within the laminated composite. The model simplified Zinoviev’s theory of individual unidirectional ply under transverse loading and shear loading. 2D Hashin criterion was employed to predict the failure of individual ply in laminates. With the help of increment method, a program was complied to analysis the failure behavior of composite laminates. With this program, the failure of composite laminates of various layup and materials were predicted. The results demonstrated that, on the premise of maintaining the high accuracy of Zinoviev’s theory, the proposed model simplified the calculation process and could be easily applied to further study.

Key words: composite, progressive failure, stiffness degradation, increment method

中图分类号:

V 258

史晓辉，陈秀华，汪海. 基于简化Zinoviev力学模型的复合材料层压板失效分析[J]. 上海交通大学学报（自然版）, 2013, 47(08): 1210-1216.

SHI Xiaohui,CHEN Xiuhua,WANG Hai. Progressive Failure Analysis of Composite Laminates Based on Simplified Zinoviev Model[J]. Journal of Shanghai Jiaotong University, 2013, 47(08): 1210-1216.

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