Estimation of the energy absorption capacity for BCC micro-lattice structure subjected to compressive loading

K. Ushijima, Dai Heng Chen, James Cantwell Wesley

Research output: Contribution to journalArticle

Abstract

In this paper, theoretical analysis for a cantilever beam subjected to shear and compression under large scale of plastic deformation (=plastica) is pressented, and applied to the estimation of energy absorption capacity for micro-lattice structure (BCC). The precision for estimating the compressive behaviour of BCC structure depends on the stress and strain relationship just after plastic yielding. Also, based on the theoretical result, approximate equation for the average stress σave at densificaron is proposed, and checked the effectiveness of the approximation by comparing with FEM numerical results.

Original languageEnglish
Pages (from-to)266-273
Number of pages8
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume76
Issue number763
DOIs
Publication statusPublished - Mar 2010

Keywords

  • Energy absorption capacity
  • Finite element method
  • Micro-Lattice
  • Numerical analysis
  • Plasticity
  • Structural analysis

Cite this