2021
DOI: 10.1103/physreve.103.053001
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Controlling crackling dynamics by triggering low-intensity avalanches

Abstract: We examine the effect of small, spatially localized excitations applied periodically in different manners, on the crackling dynamics of a brittle crack driven slowly in a heterogeneous solid. When properly adjusted, these excitations are observed to radically modify avalanche statistics and considerably limit the magnitude of the largest events. Surprisingly, this does not require information on the front loading state at the time of excitation; applying it either at a random location or at the most loaded poi… Show more

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Cited by 3 publications
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“…These stimuli induce atomic-sized kink movements in the material’s crystal structure in the form of jerks or avalanches accompanied by crackling noise (actual sound waves). Similar concepts apply to many other systems, from crumpling paper 5 , various phase transitions in solid materials 6 , deformed crystals and porous materials 7 , and neural networks 8 , to the seismic activity found in earthquakes 9 11 . Renormalization group theory predicts that these diverse crackling systems approach fixed points, indicating universal scaling behaviour 4 .…”
Section: Introductionmentioning
confidence: 79%
“…These stimuli induce atomic-sized kink movements in the material’s crystal structure in the form of jerks or avalanches accompanied by crackling noise (actual sound waves). Similar concepts apply to many other systems, from crumpling paper 5 , various phase transitions in solid materials 6 , deformed crystals and porous materials 7 , and neural networks 8 , to the seismic activity found in earthquakes 9 11 . Renormalization group theory predicts that these diverse crackling systems approach fixed points, indicating universal scaling behaviour 4 .…”
Section: Introductionmentioning
confidence: 79%