Material fragmentation as dissipative process of micro rotation sequence formation: Hybrid model of excitable cellular automata
| Parent link: | AIP Conference Proceedings Vol. 1623 : International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk, Russia, 3–5 September 2014.— 2014.— [P. 427-430] |
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| Korporativní autor: | |
| Další autoři: | , , , , |
| Shrnutí: | Title screen The authors have developed a multi-level model of energy propagation along interfaces between the various structural elements of a solid with taking into account mutual energy transformations of various kinds. They have also designed a computer simulation tool based on the excitable cellular automaton (ECA) method. An algorithm for calculating the local moments of forces has been developed for the case of material rotation and torsion. The relationship for the accumulated elastic energy is supplemented with a dissipation term. Numerical experiments have been carried out on high-energy impact on polycrystalline copper specimens with different grain sizes. The paper shows that during the nanostructuring of material surface layer, the dissipation of elastic energy gives rise to the rotation of structural elements. This makes it possible to prevent the occurrence of stress concentrators with peak values typical of coarse-grained specimens and reducing their mechanical properties. Режим доступа: по договору с организацией-держателем ресурса |
| Jazyk: | angličtina |
| Vydáno: |
2014
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| Témata: | |
| On-line přístup: | http://dx.doi.org/10.1063/1.4898973 http://earchive.tpu.ru/handle/11683/35732 |
| Médium: | Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=641879 |
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| 200 | 1 | |a Material fragmentation as dissipative process of micro rotation sequence formation: Hybrid model of excitable cellular automata |f D. D. Moiseenko [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 430 (2 tit.)] | ||
| 330 | |a The authors have developed a multi-level model of energy propagation along interfaces between the various structural elements of a solid with taking into account mutual energy transformations of various kinds. They have also designed a computer simulation tool based on the excitable cellular automaton (ECA) method. An algorithm for calculating the local moments of forces has been developed for the case of material rotation and torsion. The relationship for the accumulated elastic energy is supplemented with a dissipation term. Numerical experiments have been carried out on high-energy impact on polycrystalline copper specimens with different grain sizes. The paper shows that during the nanostructuring of material surface layer, the dissipation of elastic energy gives rise to the rotation of structural elements. This makes it possible to prevent the occurrence of stress concentrators with peak values typical of coarse-grained specimens and reducing their mechanical properties. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\4816 |t AIP Conference Proceedings | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\4814 |t Vol. 1623 : International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk, Russia, 3–5 September 2014 |o [proceedings] |f National Research Tomsk Polytechnic University (TPU) |v [P. 427-430] |d 2014 | |
| 610 | 1 | |a электронный ресурс | |
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| 610 | 1 | |a фрагментация | |
| 610 | 1 | |a диссипативные процессы | |
| 610 | 1 | |a гибридные модели | |
| 610 | 1 | |a клеточные автоматы | |
| 610 | 1 | |a энергия | |
| 610 | 1 | |a границы раздела | |
| 610 | 1 | |a твердые тела | |
| 610 | 1 | |a наноструктурирование | |
| 610 | 1 | |a наноструктурированные материалы | |
| 610 | 1 | |a поверхностные слои | |
| 610 | 1 | |a механические свойства | |
| 701 | 1 | |a Moiseenko |b D. D. | |
| 701 | 1 | |a Panin |b V. E. |c Director of Russian materials science center |c Research advisor of Institute of strength physics and materials science of Siberian branch of Russian Academy of Sciences |f 1930- |g Viktor Evgenyevich |3 (RuTPU)RU\TPU\pers\26443 |9 12146 | |
| 701 | 1 | |a Maksimov |b P. V. | |
| 701 | 1 | |a Panin |b S. V. |c specialist in the field of material science |c Professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1971- |g Sergey Viktorovich |3 (RuTPU)RU\TPU\pers\32910 |9 16758 | |
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| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет (ТПУ) |b Институт физики высоких технологий (ИФВТ) |b Кафедра материаловедения в машиностроении (ММС) |3 (RuTPU)RU\TPU\col\18688 |
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