Energy concentration and brittle crack propagation

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The purpose of this paper is to fill the gap between the classical treatment of brittle fracture mechanics and the new idea of considering the crack evolution as a free discontinuity problem. Griffith and Irwin criterions of crack propagation are studied and transformed in order to be no longer dependent on any prescription of the geometry of the crack during its evolution. The inequality contained in theorem 6.1. represents the link between generalized Irwin and Griffith criterions of brittle crack propagation. The physical meaning of this inequality is explained in the last section. Further information available at http://irmi.epfl.ch/cag/buliga_bfrac.html .
unpublished paper from 1997, circulated in manuscript

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Analysis of PDEs, Materials Science, 35R35; 74R10; 49Q20; 35B30; 35J25

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http://salesiana.dossiersoluciones.com/handle/123456789/103628

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0510225
 http://arxiv.org/abs/math/0510225

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arXiv