Based on ANSYS the Application of Virtual Crack Close Technique in the Calculation of Strain Energy Release Rate in Interface Crack

被引：0

作者：

Cheng, Chen ^{[1
]}

Wan, Shui ^{[1
]}

机构：

[1] Southeast Univ, Sch Transportat, Nanjing 210096, Jiangsu, Peoples R China

来源：

SUSTAINABLE ENVIRONMENT AND TRANSPORTATION, PTS 1-4 | 2012年 / 178-181卷

关键词：

Virtual crack close technique; ANSYS; Strain energy release rate; Interface crack; FRACTURE;

D O I：

10.4028/www.scientific.net/AMM.178-181.2444

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Computation of the energy release rate, based on the FEA software ANSYS, with the virtual crack close technique, is studied. To reduce post-processing workload, the spring element is imposed at the cracktip. In practical applications, COMBIN14 spring elements are adopted to set up the finite element model. Then, the numerical analysis method is applied in interface crack. But the calculaed strain energy release rates are pseudo values, and only the total strain energy release rate convergences. At last, two numerical experiments are presented to validate this method. The results show that the calculated values of the total strain energy release rate are well with the theoretical values. This numerical analysis method is an efficient and accurate numerical analysis method.

引用

页码：2444 / 2450

页数：7

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