On the dynamic crack propagation in an interphase with spatially varying elastic properties under inplane loading
Source abstract
Abstract
This article provides a comprehensive theoretical investigation on a finite crack with constant length (Yoffe type crack) propagating in an interfacial layer with spatially varying elastic properties under inplane loading. The analytical formulations are developed using Fourier transforms and solving the resulting singular integral equations in terms of the opening and sliding displacements of the crack. The dynamic stress intensity factors and energy release rate are analyzed to study the dynamic fracture property of this inherent mixed mode crack problem. Numerical examples are provided to show the effects of the material properties, the thickness of the interfacial layer, the crack position and speed upon the dynamic fracture behaviour, and the singularity transition between the current crack and the corresponding interfacial crack for thin interphase.
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Research context
OpenAlex topics: Numerical methods in engineering · Contact Mechanics and Variational Inequalities · High-Velocity Impact and Material Behavior
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References (31)
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