Titlebook: IUTAM Symposium on Nonlinear Analysis of Fracture; Proceedings of the I J. R. Willis Conference proceedings 1997 Springer Science+Business

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Conditions of Crack Arrest by Interfaces,ce and reinitiation of a new crack in the second layer. A Shear Lag analysis associated to Damage Mechanics gives closed form solutions for the crack arrest conditions or the number of cycles of fatigue to crack initiation which determines the retardation, as functions of the design parameters of mu

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令人苦恼

Earthquakes, Fracture, Complexity,eneral observations are: (1) No systematic observable precursory seismic or aseismic slip prior to an earthquake on or near the rupture zone, (2) low stress levels (coefficients of friction less than 0.1), (3) earthquakes nucleate on the deepest part of the rupture zone, (4) rupture propagates at ab

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Micro-Branching as an Instability in Dynamic Fracture,ity, v., a single crack undergoes an abrupt, well-defined transition to microscopic crack branching. As a result, the velocity of the crack develops oscillations, the mean acceleration decreases and structure is formed on the fracture surface. Beyond v. the total fracture surface created is a linear

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