A numerical analysis of cracks emanating from a surface elliptical hole in infinite body in tension |
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Authors: | Xiangqiao Yan Baoliang Liu |
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Institution: | 1.Research Laboratory on Composite Materials,Harbin Institute of Technology,Harbin,P.R. China |
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Abstract: | This paper deals with such a kind of surface crack problem with an approximately same depth, which is called a liked-plane
crack problem. Based on the previous investigations on internal rectangular crack and surface rectangular crack in infinite
solid in tension and a hybrid displacement discontinuity method (a boundary element method) proposed recently by Yan, a numerical
approach for the liked-plane crack problem in hand is presented. Numerical examples are given to illustrate the numerical
approach is simple, yet accurate for calculating the SIFs of a liked-plane crack. Specifically, a pair of cracks emanating
from a surface elliptical hole in infinite body in tension are investigated in detail. |
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