Abstract
Dynamic stresses around three cracks in an infinite elastic plate have been solved. Two cracks, which are small and equal, are situated ahead of a large crack so as to allow for geometrical symmetry. Time-harmonic normal traction acts on each surface of these cracks. To solve the problem, two solutions are combined. One of them is a solution for a crack in an infinite plate and another is that for two collinear cracks in an infinite plate. The Schmidt method is used to satisfy the boundary conditions on the cracks' surfaces with use of the combined solutions. Stress intensity factors are calculated numerically for some of these crack configurations.
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Itou, S. Dynamic stresses around two cracks placed symmetrically to a large crack. Int J Fract 75, 261–271 (1996). https://doi.org/10.1007/BF00037086
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DOI: https://doi.org/10.1007/BF00037086