Numerical simulation of the non-linear deformation of 5-harness satin weaves

被引：56
|
作者：
Melro, A. R. [1 ]
Camanho, P. P. [1 ]
Andrade Pires, F. M. [1 ]
Pinho, S. T. [2 ]
机构：
[1] Univ Porto, Fac Engn, DEMec, P-4200465 Oporto, Portugal
[2] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England
来源：
COMPUTATIONAL MATERIALS SCIENCE | 2012年 / 61卷
关键词：
FEA; 5-Harness satin; Textile composites; Damage; Plasticity; Micromechanics; CONTINUUM DAMAGE MODELS; COMPOSITE; BEHAVIOR;
D O I：
10.1016/j.commatsci.2012.04.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The mechanical behaviour of a polymer composite reinforced by 5-harness satin weave is modelled using a micromechanical approach in which each of its constituents is characterised by a constitutive damage model. The epoxy matrix is modelled using an elasto-plastic with isotropic damage law while the fibrous reinforcements follow a transversely isotropic damage law. A representative unit cell of a 5-harness satin weave has been generated and a set of periodic boundary conditions implemented in order to run micromechanical analyses. Volumetric homogenisation is performed on the obtained micro-stress and -strain fields in order to study stiffness degradation and damage evolution of the satin weave under different in-plane multiaxial loading conditions. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：116 / 126
页数：11
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