Parametric quadratic programming method for elastic contact fracture analysis

被引：14
作者：
Su, RKL
Zhu, Y
Leung, AYT
机构：
[1] Univ Hong Kong, Dept Civil Engn, Hong Kong, Hong Kong, Peoples R China
[2] City Univ Hong Kong, Dept Bldg & Construct, Kowloon, Hong Kong, Peoples R China
来源：
INTERNATIONAL JOURNAL OF FRACTURE | 2002年 / 117卷 / 02期
关键词：
quadratic programming; frictional contact; stress intensity factors; finite element method;
D O I：
10.1023/A:1020925903552
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A solution procedure for elastic contact fracture mechanics has been proposed in this paper. The procedure is based on the quadratic programming and finite element method (FEM). In this paper, parametric quadratic programming method for two-dimensional contact mechanics analysis is applied to the crack problems involving the crack surfaces in frictional contact. Based on a linear complementary contact condition, the parametric variational principle and FEM, a linear complementary method is extended to analyze contact fracture mechanics. The near-tip fields are properly modeled in the analysis using special crack rip elements with quarter-point nodes. Stress intensity factor solutions are presented for some frictional contact fracture problems and are compared with known results where available.
引用
收藏
页码：143 / 157
页数：15
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