Bursts in a fiber bundle model with continuous damage

Details Bursts in a fiber bundle model with continuous damage Bursts in a fiber bundle model with continuous damage

2001-07-13

arxiv.org/abs/cond-mat/0107284v1

Physics

Condensed Matter

Statistical Mechanics

9 pages, 11 figures, APS style, submitted for publication

Scientific paper

We study the constitutive behaviour, the damage process, and the properties of bursts in the continuous damage fiber bundle model introduced recently. Depending on its two parameters, the model provides various types of constitutive behaviours including also macroscopic plasticity. Analytic results are obtained to characterize the damage process along the plastic plateau under strain controlled loading, furthermore, for stress controlled experiments we develop a simulation technique and explore numerically the distribution of bursts of fiber breaks assuming infinite range of interaction. Simulations revealed that under certain conditions power law distribution of bursts arises with an exponent significantly different from the mean field exponent 5/2. A phase diagram of the model characterizing the possible burst distributions is constructed.

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