Simulation study on the avalanche process of the fiber bundles with strong heterogeneities

Da-Peng Hao, Gang Tang, Kui Han, Hui Xia and Zhi-Peng Xun

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 20, 4686-4691

Abstract: The fiber bundle with strong heterogeneities is an extension of a fiber bundle model based on the classical fiber bundle model to describe the failure process of strongly heterogeneous materials. In order to explore the breaking dynamic properties of strongly heterogeneous materials in short-range correlation, the fiber bundle model with strong heterogeneities in local load redistribution is numerically studied in detail. The impacts of the proportion of two kinds of fibers and the distribution of the failure thresholds on the macroscopic constitutive behavior, the avalanche size distribution and increasing step number of the external load are investigated, respectively. The numerical results show that there is a local plastic plateau in the constitutive curve at a critical proportion of two kinds of fibers. Strong intensity fibers in material can nontrivially increase the intensity and stability of the system by altering the microscopic properties of the failure process.

Keywords: Fiber bundle model; Break dynamic; Avalanche process (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:20:p:4686-4691

DOI: 10.1016/j.physa.2012.05.018

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