Influence of cell strut shape on the mechanical properties of Voronoi open-cell foams

LU Zi-xing; WANG Jian-yue

Chinese

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Influence of cell strut shape on the mechanical properties of Voronoi open-cell foams

更新时间：2026-07-07

- Influence of cell strut shape on the mechanical properties of Voronoi open-cell foams
- Vol. 24, Issue 9, (2009)
- 作者机构：
  
  北京航空航天大学航空科学与工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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LU Zi-xing, WANG Jian-yue. Influence of cell strut shape on the mechanical properties of Voronoi open-cell foams[J]. 2009, 24(9).
DOI：

LU Zi-xing, WANG Jian-yue. Influence of cell strut shape on the mechanical properties of Voronoi open-cell foams[J]. 2009, 24(9). DOI：

摘要

针对开孔泡沫材料提出了新的支柱形状控制方程

并在Voronoi随机泡沫模型基础上

研究了支柱形状变化对其各向同性弹性性能、非线性压缩和拉伸力学行为的影响;讨论了支柱细腰程度和模型随机度共同作用的影响效果

并比较了两种因素作用效果的大小.结果表明

支柱细腰程度的增大明显降低了泡沫材料的弹性模量和无量纲应力.同时

支柱细腰程度对泡沫力学性能的影响要大于模型随机度的影响

并随模型随机度的增加而增大.

Abstract

The new equation was proposed to control the cell strut shape of three dimensional foams.Based on the Voronoi random foam models

the influences of cell strut shape on isotropic elastic properties

nonlinear compressive behavior and tensile behavior were investigated.In addition

effects of the interaction between the cell strut shape and the model irregularity were discussed on a comparative basis.The results show that the elastic modulus and the dimensionless stresses under compression and tension decrease evidently as struts turn into a concave shape.Effects of cell strut shape are larger than those of model irregularity

and become more significant as the models are more irregular.

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