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A Peridynamic Model of Fracture Mechanics with Bond-Breaking

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Abstract

We present a new formulation of a peridynamic model for brittle fracture that incorporates a properly defined bond-breaking rule which leads to a dynamic system of time-dependent differential integral equations having both spatial nonlocal/nonlinear interactions and temporal memory/history dependence. The dynamic system is shown to be well-posed through rigorous mathematical analysis. Its effectiveness in simulating crack propagation in a two dimensional brittle material is also demonstrated.

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Acknowledgements

We thank Dr. Stewart Silling, Prof. Florin Bobaru and Dr. Pablo Seleson for their helpful discussions on the subject. We also thank Prof. Robert Lipton for bringing [21] to our attention.

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Correspondence to Qiang Du.

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Du, Q., Tao, Y. & Tian, X. A Peridynamic Model of Fracture Mechanics with Bond-Breaking. J Elast 132, 197–218 (2018). https://doi.org/10.1007/s10659-017-9661-2

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  • DOI: https://doi.org/10.1007/s10659-017-9661-2

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