Abstract
Crack problems are solved by the complex potential method, and the elastic stress singularities near a crack tip are identified by introducing the stress intensity factors as the characteristic parameters of the stress field ahead of a crack tip. The analytical structure of the stress field is examined by a method of the eigen-function expansion near a crack tip, which leads to the so-called Irwin–Williams expansion of the stress field of the two-dimensional crack. Also, the solution method of Muskhelishvili is presented, where the formulation of the singular integral equation is based on the Hilbert problem. Mathematical details of the Hilbert problem are separately explained in Appendix B.
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Sumi, Y. (2014). Analysis of Two-Dimensional Cracks. In: Mathematical and Computational Analyses of Cracking Formation. Mathematics for Industry, vol 2. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54935-2_3
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DOI: https://doi.org/10.1007/978-4-431-54935-2_3
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