NUMERICAL ANALYSIS OF ELASTOPLASTIC BEHAVIOR OF FUNCTIONALLY GRADED FOAMS

被引：0
|
作者：
Xu, Z. M. [1 ]
Jin, Y. J. [1 ]
Wang, T. J. [1 ]
机构：
[1] Xi An Jiao Tong Univ, MOE Key Lab Strength & Vibrat, Xian 710049, Peoples R China
来源：
ADVANCES IN HETEROGENEOUS MATERIAL MECHANICS 2011 | 2011年
关键词：
numerically investigate; functionally graded foams; elastoplastic behavior; GRADIENT;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The objective of this work is to numerically investigate the elastoplastic behavior of functionally graded foams. We propose a 3D model of functionally graded foams based on the tetrakaidecahedral open cell. The variation in the cell wall thickness induces density gradient. Based on the finite element method, macroscopic elastic constants and initial yield stress against the relative density and grade variation are discussed in this paper. Through a systematic study we find that the grade variation significantly affects the Young's modulus and the initial yield stress of the foams.
引用
收藏
页码：776 / 779
页数：4
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