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| Titel |
Anomalies of critical state in fracturing geophysical objects |
| VerfasserIn |
A. Chmel, V. S. Kuksenko, V. S. Smirnov, N. G. Tomilin |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 14, no. 2 ; Nr. 14, no. 2 (2007-03-06), S.103-108 |
| Datensatznummer |
250012155
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| Publikation (Nr.) |
 copernicus.org/npg-14-103-2007.pdf |
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| Zusammenfassung |
| Non-linear time-sequences of fracture-related events were studied in
drifting sea-ice and fracturing rock. A reversible drop of the b-value was
detected prior to the large-scale sea-ice cover fragmentation, when the time
sequence of impact interactions between ice-fields was fully decorrelated. A
similar loss of the temporal invariance of the fracture process was revealed
in the time sequence of microfracture events detected in a loaded rock
sample. These temporal gaps in the continuous critical state of the
considered self-organizing, open systems were attributed to the property of
hierarchicity inherent in the geophysical objects. A combination of scaling
and hierarchic features in the behavior of fracturing solids manifests
itself in the heterogeneity of the temporal pattern of fracture
process. |
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