Stress intensity factor evaluations for a curved crack in orthotropic particulate composites using an interaction integral method

被引：7
|
作者：
Yu, Hongjun [1 ]
Wang, Bing [2 ]
机构：
[1] Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Ctr Composite Mat, Harbin 150001, Heilongjiang, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2019年 / 26卷 / 07期
关键词：
Crack; orthotropic particulate composites; domain-independent interaction integral (DII-integral); stress intensity factors (SIFs); extended finite element method (XFEM); FUNCTIONALLY GRADED MATERIALS; COLLINEAR INTERFACE CRACKS; MODE-I CRACK; FRACTURE; COMPUTATION; GROWTH; BEHAVIOR;
D O I：
10.1080/15376494.2017.1410904
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper develops a domain-independent interaction integral (DII-integral) for extracting mixed-mode stress intensity factors (SIFs) for orthotropic materials with complex interfaces. The DII-integral does not require material property gradients, and moreover its validity is not affected by material interfaces. Combined with the extended finite element method (XFEM), the DII-integral is employed to investigate a straight crack in an orthotropic functionally graded plate and a curved crack in orthotropic particulate composites.
引用
收藏
页码：631 / 638
页数：8
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