A plane periodic problem of the theory of elasticity for an isotropic plane with infinite row of closely located curvilinear holes with edge cracks is solved by the method of singular integral equations. The stress intensity factors (SIF) at the tips of edge cracks propagating from symmetric holes of various shapes (elliptic holes, rhombic holes with rounded vertices, and narrow slots) are computed for arbitrary distances between the holes under the conditions of tension of the plane at infinity (mode I). The SIF for the edge cracks at the rounded vertices of the corresponding bilateral notches in the elastic plane are found as a result of the limit transition as the distances between the holes approach zero.
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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 55, No. 6, pp. 17–25, November–December, 2019.
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Kravets’, V.S. Stressed State of a Plane with Periodic System of Closely Located Curvilinear Holes with Edge Cracks. Mater Sci 55, 794–803 (2020). https://doi.org/10.1007/s11003-020-00372-7
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DOI: https://doi.org/10.1007/s11003-020-00372-7