A 3D Meso-Scale Analysis of Angle-Ply Laminates

被引:5
|
作者
Zhang, Yunfa [1 ]
Xia, Zihui [2 ]
Ellyin, Fernand [3 ]
机构
[1] Natl Res Council Canada, Inst Aerosp Res, Ottawa, ON, Canada
[2] Univ Alberta, Dept Mech Engn, Edmonton, AB T6G 2G8, Canada
[3] Univ British Columbia, Dept Mat Engn, Vancouver, BC V5Z 1M9, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
composites; damage; meso-mechanics; periodic boundary conditions; viscoelasticity; smeared crack method; finite element method; PERIODIC BOUNDARY-CONDITIONS; MICROMECHANICAL ANALYSIS; DEFORMATION-BEHAVIOR; MULTIAXIAL LOADINGS; MATRIX COMPOSITES; REINFORCED METAL; VOLUME ELEMENT; EPOXY-RESIN; PART II; PREDICTIONS;
D O I
10.1080/15376494.2012.676712
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A 3D two-cell representation of laminates with periodic fiber arrays is established and the corresponding periodic boundary conditions are presented. The matrix is described by a nonlinear viscoelastic material model and the fiber by an elastic one. Matrix cracking is modeled by a smeared crack method. The modeling of material nonlinearity, crack initiation, and growth, with appropriate periodic boundary conditions, are incorporated into a finite element model (FEM). Numerical results for five different angle-ply laminates under tensile loading are presented. The results are found to be in fair agreement with the available test data.
引用
收藏
页码:801 / 810
页数:10
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