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  Interface propagation in fiber bundles: Local, mean-field and intermediate range-dependent statistics.

Biswas, S., & Goehring, L. (2016). Interface propagation in fiber bundles: Local, mean-field and intermediate range-dependent statistics. New Journal of Physics, 18(10): 103048. doi:10.1088/1367-2630/18/10/103048.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-A190-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-188F-4
Genre: Journal Article

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 Creators:
Biswas, Soumyajyoti1, Author              
Goehring, Lucas1, Author              
Affiliations:
1Group Pattern formation in the geosciences, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063304              

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 Abstract: The fiber bundle model is essentially an array of elements that break when sufficient load is applied on them. With a local loading mechanism, this can serve as a model for a one-dimensional interface separating the broken and unbroken parts of a solid in mode-I fracture. The interface can propagate through the system depending on the loading rate and disorder present in the failure thresholds of the fibers. In the presence of a quasi-static drive, the intermittent dynamics of the interface mimic front propagation in disordered media. Such situations appear in diverse physical systems such as mode-I crack propagation, domain wall dynamics in magnets, charge density waves, contact line in wetting etc. We study the effect of the range of interaction, i.e. the neighborhood of the interface affected following a local perturbation, on the statistics of the intermittent dynamics of the front. There exists a crossover from local to global behavior as the range of interaction grows and a continuously varying ‘universality’ in the intermediate range. This means that the interaction range is a relevant parameter of any resulting physics. This is particularly relevant in view of the fact that there is a scatter in the experimental observations of the exponents, in even idealized experiments on fracture fronts, and also a possibility in changing the interaction range in real samples.

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Language(s): eng - English
 Dates: 2016-10-252016
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1088/1367-2630/18/10/103048
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Title: New Journal of Physics
Source Genre: Journal
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Pages: 12 Volume / Issue: 18 (10) Sequence Number: 103048 Start / End Page: - Identifier: ISSN: 1367-2630