期刊
INTERNATIONAL JOURNAL FOR COMPUTATIONAL METHODS IN ENGINEERING SCIENCE & MECHANICS
卷 20, 期 6, 页码 523-539出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15502287.2019.1566286
关键词
Symbolic computation; Two-scale asymptotic method; Classic homogenization; Eigenvalue buckling; Periodic microstructures
类别
资金
- FCT, through IDMEC, under LAETA [UID/EMS/50022/2013, UID/EMS/50022/2019]
A symbolic computation of a double scale asymptotic technique is used to derive a linearelastic buckling theory for solids with periodic microstructure. From the stationary potential energy, equations are obtained for the classic homogenization problem, and for its extension to the buckling problem at macro, micro and mixed scales. The limitation to #Y-periodic instability modes can be treated afterwards using a Floquet-Bloch theory. The symbolic procedure is worked out step-by-step and results are presented. The obtained equations present a theoretical framework for the topology optimization of structures and microstructures involving linear elastic buckling criteria.
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