Effects of solid distribution on the out-of-plane elastic properties of hexagonal honeycombs

Ting Chun Lin, Mei Yi Yang, Jong Shin Huang

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

A three-dimensional representative volume element model with appropriate periodic boundary conditions is proposed and employed to numerically calculate the out-of-plane elastic properties of hexagonal honeycombs with variable-thickness and curved cell edges. The FEA numerical results indicate that the out-of-plane shear modulus, compressive buckling strength and shear buckling strengths of regular hexagonal honeycombs are significantly affected by the solid distribution in cell edges. Meanwhile, the compressive and shear buckling strengths of hexagonal honeycombs can be enhanced dramatically as the curvature of cell edges becomes much larger. The theoretical expressions of the shear modulus, compressive buckling strength and shear buckling strengths of hexagonal honeycombs with variable-thickness and curved cell edges can also be expressed as the product of those with same relative density and constant-thickness and straight cell edges, and two cell-geometry coefficients to account for the effects of the solid distribution in cell edges.

原文English
頁(從 - 到)436-442
頁數7
期刊Composite Structures
100
DOIs
出版狀態Published - 2013 6月

All Science Journal Classification (ASJC) codes

  • 陶瓷和複合材料
  • 土木與結構工程

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