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
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
相关论文
共 7 条
[1]   ANALYSIS OF LAMINATED COMPOSITE SHELLS USING A DEGENERATED 3-D ELEMENT [J].
CHAO, WC ;
REDDY, JN .
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 1984, 20 (11) :1991-2007
[2]  
ENGELSTAD SP, 1990, NASA TM102626
[3]  
NOOR AK, 1989, APPL MECH REV, V42, P1, DOI DOI 10.1115/1.3152418
[5]   A 1ST-PLY FAILURE ANALYSIS OF COMPOSITE LAMINATES [J].
REDDY, JN ;
PANDEY, AK .
COMPUTERS & STRUCTURES, 1987, 25 (03) :371-393
[6]  
REDDY JN, 1990, SHOCK VIBRATION DIGE, V22, P3, DOI DOI 10.1177/058310249002200703
[7]  
STARNES JH, 1981, AIAA810543 PAP