Analyses of embedded elliptical cracks in finite thickness plates under uniform tension

This paper presents a comprehensive range of results of mode I stress intensity factors for the embedded elliptical cracks in finite thickness plates under uniform tension. The hybrid boundary element method developed by the author is used to calculate the stress intensity factors. The analyzed rati...

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Bibliographic Details
Published in:Engineering fracture mechanics 1996-07, Vol.54 (4), p.579-588
Main Authors: Guozhong, Chai, Kangda, Zhang, Dongdi, Wu
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fracture mechanics, fatigue and cracks
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
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Summary:This paper presents a comprehensive range of results of mode I stress intensity factors for the embedded elliptical cracks in finite thickness plates under uniform tension. The hybrid boundary element method developed by the author is used to calculate the stress intensity factors. The analyzed ratio of crack depth to crack length ( b a ) is 0.25, 0.5 and 1.0; the ratio of crack depth to plate thickness ( b t 1 , and b t 2 ) ranges from 0.0 to 0.8. The present normalized stress intensity factors are also compared with Isida's results obtained by the body force method. The two results agree excellently with each other, with a maximum difference of 2%.
ISSN:0013-7944
1873-7315
DOI:10.1016/0013-7944(95)00143-3