Abstract.
Forecasting failure events is one of the most important problems in fracture mechanics and related sciences. In this paper, we use the Molchan scheme to investigate the error diagrams in a fracture model which has the notable advantage of displaying two completely different regimes according to the heterogeneity of the system. In one regime, a characteristic event is observed while for the second regime a power-law spectrum of avalanches is obtained reminiscent of self-organized criticality. We find that both regimes are different when predicting large avalanches and that, in the second regime, there are non-trivial temporal correlations associated to clustering of large events. Finally, we extend the discussion to seismology, where both kinds of avalanche size distributions can be seen.
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Received: 16 April 2003, Published online: 9 September 2003
PACS:
46.50.+a Fracture mechanics, brittleness, fracture and cracks - 91.45.Vz Fracture and faults - 62.20.Mk Fatigue, brittleness, fracture, and cracks
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Moreno, Y., Vázquez-Prada, M., Gómez, J.B. et al. Error diagrams and temporal correlations in a fracture model with characteristic and power-law distributed avalanches. Eur. Phys. J. B 34, 489–494 (2003). https://doi.org/10.1140/epjb/e2003-00248-6
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DOI: https://doi.org/10.1140/epjb/e2003-00248-6