Torsion crack in a piecewise homogeneous body with a thin layer at the interface

Keywords

piecewise-homogeneous body, penny-shaped torsion crack, thin interlayer, spring boundary conditions, boundary integral equations method.

Cite as

Zvizlo I. S. and Stankevych N. V. Torsion crack in a piecewise homogeneous body with a thin layer at the interface. Physicochemical Mechanics of Materials. 2024. 60(2), 120-127.

https://doi.org/10.15407/pcmm2024.02.120

Abstract

The influence of a thin layer in a piecewise homogeneous body consisting of half-spaces on the stress intensity in the vicinity of a circular torsion crack is studied by the method of the boundary-integral equations. Two approaches to modeling a thin layer are considered – accurate considering its geometric dimensions and approximate using effective boundary conditions in the form of a spring contact at the interface. The limits of applicability of spring contact conditions for modeling the interlayer have been established.

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