直交異方性部材の接合部分に任意の開き角を有する切欠き先端近傍の特異性

概要

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The authors already discussed the crack tip singularities of various kinds of open crack meeting at the interfaces of different isotropic materials for plane problems. Based on these results, this paper is concerned with singularities near the tip of an arbitrary open crack terminating at a bimaterial interface of three anisotropic materials. Using Williams' eigenfunction-expansion method, the crack tip singularities for mode I and mode II are computed. The characteristic determinant is derived using the boundary conditions and interface continuity conditions, and is solved directly using Mullers'method, which computes algebraic equations of high degree. The analytical process and some numerical results are given in figures.
一般社団法人日本機械学会の論文
1997-05-25