Fracture precursors in disordered systems

G  Meacci; A  Politi; M  Zei

doi:10.1209/epl/i2003-10152-9

Fracture precursors in disordered systems

G Meacci, A Politi, M Zei

Physics

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

A two-dimensional lattice model with bond disorder is used to investigate the fracture behaviour under stress-controlled conditions. Although the cumulative energy of precursors does not diverge at the critical point, its derivative with respect to the control parameter (reduced stress) exhibits a singular behaviour. Our results are nevertheless compatible with previous experimental findings, if one restricts the comparison to the (limited) range accessible in the experiment. A power law avalanche distribution is also found with an exponent close to the experimental values.

Original language	English
Pages (from-to)	55-61
Number of pages	7
Journal	Europhysics Letters
Volume	66
Issue number	1
DOIs	https://doi.org/10.1209/epl/i2003-10152-9
Publication status	Published - Apr 2004

Keywords

RUPTURE
AVALANCHES
DYNAMICS
FAILURE
TIME

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10.1209/epl/i2003-10152-9

Cite this

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abstract = "A two-dimensional lattice model with bond disorder is used to investigate the fracture behaviour under stress-controlled conditions. Although the cumulative energy of precursors does not diverge at the critical point, its derivative with respect to the control parameter (reduced stress) exhibits a singular behaviour. Our results are nevertheless compatible with previous experimental findings, if one restricts the comparison to the (limited) range accessible in the experiment. A power law avalanche distribution is also found with an exponent close to the experimental values.",

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AB - A two-dimensional lattice model with bond disorder is used to investigate the fracture behaviour under stress-controlled conditions. Although the cumulative energy of precursors does not diverge at the critical point, its derivative with respect to the control parameter (reduced stress) exhibits a singular behaviour. Our results are nevertheless compatible with previous experimental findings, if one restricts the comparison to the (limited) range accessible in the experiment. A power law avalanche distribution is also found with an exponent close to the experimental values.

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KW - AVALANCHES

KW - DYNAMICS

KW - FAILURE

KW - TIME

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JO - Europhysics Letters

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Fracture precursors in disordered systems

Abstract

Keywords

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