Matches in SemOpenAlex for { <https://semopenalex.org/work/W3213044255> ?p ?o ?g. }
- W3213044255 abstract "Prediction of breakdown in disordered solids under external loading in a question of paramount importance. Here we use a fiber bundle model for disordered solids and record the time series of the avalanche sizes and energy bursts. The time series contains statistical regularities that not only signify universality in the critical behavior of the process of fracture, but also reflect signals of proximity to a catastrophic failure. A systematic analysis of these series using supervised machine learning can predict the time to failure. Different features of the time series become important in different variants of training samples. We explain the reasons for such switch over of importance among different features. We show that inequality measures for avalanche time series play a crucial role in imminent failure predictions, especially for imperfect training sets i.e., when simulation parameters of training samples differ considerably from those of the testing samples. We also show the variation of predictability of the system as the interaction range and strengths of disorders are varied in the samples, varying the failure mode from brittle to quasi-brittle (with interaction range) and from nucleation to percolation (with disorder strength). The effectiveness of the supervised learning is best when the samples just enter the quasi-brittle mode of failure showing scale-free avalanche size distributions." @default.
- W3213044255 created "2021-11-22" @default.
- W3213044255 creator A5003871325 @default.
- W3213044255 creator A5046358310 @default.
- W3213044255 date "2022-08-23" @default.
- W3213044255 modified "2023-10-16" @default.
- W3213044255 title "Prediction of imminent failure using supervised learning in a fiber bundle model" @default.
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- W3213044255 doi "https://doi.org/10.1103/physreve.106.025003" @default.
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- W3213044255 hasPublicationYear "2022" @default.
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