The effects of delamination deficiencies on compressive properties of composite grid-stiffened structures

被引：5
|
作者：
Mo, Yihua [1 ]
Cheng, Gengdong [1 ]
Wang, Bing [2 ]
Wang, Xiaohong [3 ]
机构：
[1] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian, Peoples R China
[2] Harbin Inst Technol, Ctr Composite Mat, 92 Xidazhi St, Harbin 150001, Heilongjiang, Peoples R China
[3] Heilongjiang Institute Technol, Mech & Elect Engn Dept, Harbin, Heilongjiang, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2018年 / 25卷 / 11期
关键词：
Composite grid-stiffened structures; delamination deficiencies; finite element method (FEM); cohesive element; delamination growth; compression properties; FAILURE ANALYSIS; GROWTH; PANELS; DAMAGE; SIMULATION; BEHAVIOR; PLATES;
D O I：
10.1080/15376494.2017.1310337
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This article provides a systematic approach to accurately predict the effects of delamination deficiencies on compressive properties of composite grid-stiffened structures. The deformation of the stiffener and the skin is investigated during a mechanical test. Cohesive elements in the finite element method were employed to calculate the ultimate load-carrying capacity. The delamination deficiencies in the interface between the skin and the stiffener have a significant effect upon its ultimate load-carrying capability compared with the delamination deficiencies in the skin and in the stiffener.
引用
收藏
页码：901 / 916
页数：16
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