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

Author

Listed:
  • Hao, Da-Peng
  • Tang, Gang
  • Han, Kui
  • Xia, Hui
  • Xun, Zhi-Peng

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.

Suggested Citation

  • Hao, Da-Peng & Tang, Gang & Han, Kui & Xia, Hui & Xun, Zhi-Peng, 2012. "Simulation study on the avalanche process of the fiber bundles with strong heterogeneities," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(20), pages 4686-4691.
    • Handle: RePEc:eee:phsmap:v:391:y:2012:i:20:p:4686-4691
    DOI: 10.1016/j.physa.2012.05.018
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