Optimal design and non-linear computation of mechanical behavior of sphere reinforced composites

被引：4
|
作者：
Benhizia, A. [1 ]
Outtas, T. [1 ]
Kanit, T. [1 ,2 ]
Imad, A. [2 ]
机构：
[1] Univ Batna 2, Mech Struct & Mat Lab, Batna, Algeria
[2] Univ Lille 1, Lab Mecan Lille, Lille, France
来源：
COMPOSITES PART B-ENGINEERING | 2017年 / 126卷
关键词：
Homogenization; Heterogeneous materials; Spherical particles; Elastic-plastic behavior; Composites; METAL-MATRIX COMPOSITES; REPRESENTATIVE VOLUME ELEMENT; THERMOMECHANICAL BEHAVIOR; NUMERICAL HOMOGENIZATION; ELASTOPLASTIC MATERIALS; TIMOSHENKO NANOBEAMS; ELASTIC PROPERTIES; PARTICLES; DEFORMATION; SIZE;
D O I：
10.1016/j.compositesb.2017.06.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents an efficient method to automatically generate and mesh random non-periodic three dimensional (3D) microstructures for three classes of complex heterogeneous media having a wide range of important engineering applications, porous media, composites with interfacial debonding and composites with high density parades. The resulting 3D microstructure is intentionally constructed to be easily and efficiently implemented in standard finite element computational codes. Several examples of 3D representative volume elements are shown. The performance of the proposal in finite element analysis is demonstrated in numerical implementation to predict the effective non-linear elastic-plastic response of two-phase particulate composites reinforced with spherical particles. The main result achieved is the estimation of the effective plastic tangent modulus by a simple linear regression equation for different volume fractions. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：38 / 48
页数：11
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