Structural elements based on the metamaterials

Авторы: Yurgenson S.A., Lomakin E.V., Fedulov B.N., Fedorenko A.N.
Журнал: PNRPU Mechanics Bulletin
Номер: 4
Год издания: 2020
Первая страница: 211
Последняя страница: 219
DOI: 10.15593/perm.mech/2020.4.18
Аннотация: In this article, an approach to creating structural elements by forming periodic structures in constructions based on the results of topological optimization is proposed. A metamaterial is understood as a structure with a complex internal periodic organization of strength elements, the details of which are significantly smaller than the typical dimensions of the final structural product. The analysis is performed for the panels with a filler based on periodic structures to achieve the required mechanical characteristics. The transition from the results of the topological optimization is carried out on the basis of engineering analysis, taking into account the peculiarities of loading, fastening and operational effects on the structure. The use of topology optimization makes it possible to determine the distribution density of periodic structures in the material and to shorten the design cycle of a conventionally optimal design. As a first step solution, authors consider panels based on sandwich panels with the pyramidal fillers. Their application is considered in the aircraft, shipbuilding and construction industries.
Добавил в систему: Ломакин Евгений Викторович

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