POSTBUCKLING RESPONSE AND FAILURE PREDICTION OF GRAPHITE-EPOXY PLATES LOADED IN COMPRESSION

被引：64
|
作者：
ENGELSTAD, SP
REDDY, JN
KNIGHT, NF
机构：
[1] VIRGINIA POLYTECH INST & STATE UNIV, DEPT ENGN SCI & MECH, BLACKSBURG, VA 24061 USA
[2] CLEMSON UNIV, DEPT MECH ENGN, CLEMSON, SC 29634 USA
来源：
AIAA JOURNAL | 1992年 / 30卷 / 08期
基金：
美国国家航空航天局;
关键词：
D O I：
10.2514/3.11187
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The objective of the study is to predict the postbuckling response and failure modes of various graphite-epoxy panels loaded in axial compression. A shear deformable (three-dimensional) shell element is used to analyze the panels. Two panels without holes and one with a hole are studied, and the resulting responses and failure modes correlated well with the experimental results. A progressive damage failure mechanism is applied in the nonlinear analysis, which proved successful in predictions of failure location, mode, and load.
引用
收藏
页码：2106 / 2113
页数：8
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