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Strength statistical characteristics of the isotropic materials with disc-shaped defects

Kvit R.

Journal of Applied Mathematics and Computational Mechanics

2018

Vol. 17, nr 4

25--34

The expressions of the probabilities density distribution of failure loading for an elastic isotropic body under the action of a homogeneous axisymmetric loading are written. The disc-shaped cracks that do not interact with each other are uniformly distributed. The correlation for finding the most probable, mean value, dispersion and variation coefficient of failure loading are obtained. The dependence of the mentioned statistical strength characteristics on the type of applied loading, number of defects (body sizes) and structure material heterogeneity are investigated.