Divergence based damage assessment of hysteretic materials

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F18%3A00325061" target="_blank" >RIV/68407700:21340/18:00325061 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Divergence based damage assessment of hysteretic materials
Original language description
The mechanical properties of hysteresis materials are evaluated by the Preisach-Mayergoyz model (PM model). Software called 'PM identificator' with it's main function, automatic identification of the PM space probability density within a class of distribution mixtures by means of optimization stochastic algorithms and phi-divergence measures, is presented. We focus especially on the Hellinger distance, the so called LeCam divergence, and L2-distance. An extension of Simulated Annealing was proposed and implemented methods were tested with respect to time, reliability and accuracy of the solution found. In uence of parameters of each algorithms and divergence criterions are tested. Both, index of elasticity and index of damage, based on identified PM space of hysterons of hysteretic material by means of nonparametric methods, were defined. Experimentally measured data were completely processed.
Czech name
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Czech description
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Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
SPMS 2018 - Stochastic and Physical Monitoring Systems, Proceedings of the international conference
ISBN
978-80-01-06501-3
ISSN
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e-ISSN
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Number of pages
9
Pages from-to
59-67
Publisher name
Česká technika - nakladatelství ČVUT
Place of publication
Praha
Event location
Dobřichovice
Event date
Jun 18, 2018
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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