Semi-analytical finite element method for bilinear cohesive crack model in modelcrack propagation

被引：0
|
作者：
Wang, Chengqiang [1 ]
Chen, Zhonghua [1 ]
Zheng, Changliang [2 ]
机构：
[1] Nanjing Hydraul Res Inst, Nanjing 210029, Peoples R China
[2] Dalian Maritime Univ, Electromech & Mat Engn Coll, Dalian 116026, Peoples R China
来源：
FRACTURE AND DAMAGE MECHANICS V, PTS 1 AND 2 | 2006年 / 324-325卷
基金：
中国国家自然科学基金;
关键词：
crack propagation; cohesive force; concrete fracture; semi-analytical FEM;
D O I：
10.4028/www.scientific.net/KEM.324-325.755
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Based on the Hamiltonian theory and method of elasticity, a ring and a circular hyper-analytical-elements are constructed and formulated. The hyper-analytical-elements give a precise description of the displacement and stress fields in the vicinity of crack tip for the bilinear cohesive crack model. The new analytical element can be implemented into finite element method program systems to solve crack propagation problems for plane structures with arbitrary shapes and loads. Numerical results for typical problems show that the method is simple, efficient and accurate.
引用
收藏
页码：755 / +
页数：2
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