Striker shape optimization as the problem of game theory

Banichuk, N.; Ivanova, S.; Makeev, E.

Авторы: Nikolay Banichuk, Svetlana Ivanova, Evgeny Makeev
Сборник: Proceedings of the 7th International Conference on Mechanics and Materials in Design, Albufeira/Portugal 11-15 June 2017. Editors J.F. Silva Gomes and S.A. Meguid
Год издания: 2017
Место издания: INEGI/FEUP Albufeir, Portugal
Первая страница: 1421
Последняя страница: 1422
Аннотация: http://apps.webofknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=3&SID=F2t4orlfSqmDDY7cjCa&page=1&doc=9 The questions of the shape optimization of an axisymmetric rigid striker and structure optimization of layered perforated plates are studied on the base of the Nash game approach (Stadler, 1984), (Banichuk, Ivanova, 2016 (a)) for layered plates made on the given set of materials. As a criterion of the multipurpose optimization problem it is chosen the ballistic limit velocity under additional constraints on the striker mass and the layered shield mass. The process of penetration of the rigid body into an elastic-plastic medium is modelled by the application of the two parts representation for the resistance force (Banichuk, Ivanova, 2016 (b)). It is proposed and realized the solution algorithm of the conflict game problem: the optimal shape striker against the optimal structure layered shield. It is considered the case when the striker mass is given and does not depend on its volume and also the case with the constraint on the striker mass (volume). With the application of an evolution numerical method (genetic algorithm) the optimal shapes of penetrating bodies and corresponding optimal shield structures are found and analyzed for all cases
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