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- Title
Accurate stress intensity factors for kinked interface crack in bonded dissimilar half-plane.
- Authors
Oda, Kazuhiro; Noda, Nao-Aki
- Abstract
In this study, the stress intensity factor (SIF) of an interface kinked crack is analyzed by the singular integral equation of the body force method. The problem can be expressed by distributing the body force doublets of the tension and shear types along all the boundaries of the kinked and interface crack parts. The SIFs can be obtained directly from the densities of the body force doublets at the crack tips. Although the problem has already been calculated using the crack connection model, the accuracy of the analysis has not been clarified. From the analysis results in this study, it can be seen that the SIFs calculated by the crack connection model have a nonnegligible error, and the present method gives more accurate results. The advantage of the present method is that the SIFs of the kinked and the interface crack tips can be obtained at the same time with high accuracy.
- Subjects
SINGULAR integrals; STRESS intensity factors (Fracture mechanics); FORCE density
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2021, Vol 35, Issue 14-16, p1
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979221400300