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

页码：631 / 638

页数：8

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