Symmetric and asymmetric deformation transition in the regularly cell-structured materials. Part II: Theoretical study

Kanyatip Tantikom, Tatsuhiko Aizawa, Toshiji Mukai

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Symmetric and asymmetric deformation behavior is theoretically analyzed for regularly cell-structured materials. On the basis of the elasto-plastic formulation by the finite element method, the computational model is constructed in order to understand the effect of various parameters on the deformation mode transition. Symmetric deformation changes itself to asymmetric deformation when increasing the nominal compressive strain. Effects of the relative density, the contact length, and the adhesive bonding on this mode transition are investigated under quasi-static in-plane compression. Besides the relative density, the contact length to thickness ratio (rc/f) plays an important role on the symmetricasymmetric deformation transition. The intercell stress transfer also has an influence on the stability of the cell-structure during crushing. The theoretical prediction is compared with the experimental results in (Pan 1) to quantitatively discuss the compressive deformation of regularly cell-structured materials.

Original languageEnglish
Pages (from-to)2211-2224
Number of pages14
JournalInternational Journal of Solids and Structures
Volume42
Issue number8
DOIs
Publication statusPublished - 2005 Apr
Externally publishedYes

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cells
adhesive bonding
crushing
thickness ratio
Crushing
Adhesives
finite element method
plastics
Plastics
Finite element method
formulations
predictions

Keywords

  • Cell-structured materials
  • Collapsing deformation
  • Deformation mode transition
  • Finite element analysis
  • Local stress transfer

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Symmetric and asymmetric deformation transition in the regularly cell-structured materials. Part II : Theoretical study. / Tantikom, Kanyatip; Aizawa, Tatsuhiko; Mukai, Toshiji.

In: International Journal of Solids and Structures, Vol. 42, No. 8, 04.2005, p. 2211-2224.

Research output: Contribution to journalArticle

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