A mesoscopic approach to subcritical fatigue crack growth

18 Oct 2016 Araújo Maycon S. Vieira André P. Andrade José S. Jr. Herrmann Hans J.

We investigate a model for fatigue crack growth in which damage accumulation is assumed to follow a power law of the local stress amplitude, a form which can be generically justified on the grounds of the approximately self-similar aspect of microcrack distributions. Our aim is to determine the relation between model ingredients and the Paris exponent governing subcritical crack-growth dynamics at the macroscopic scale, starting from a single small notch propagating along a fixed line... (read more)

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  • DISORDERED SYSTEMS AND NEURAL NETWORKS