An ABAQUS toolbox for multiscale finite element computation

被引：76

作者：

Tchalla, Adjovi ^{[1
,2
]}

Belouettar, Salim ^{[1
]}

Makradi, Ahmed ^{[1
]}

Zahrouni, Hamid ^{[2
]}

机构：

[1] Ctr Rech Publ Henri Tudor, L-1855 Luxembourg, Luxembourg

[2] Univ Lorraine, UMR CNRS 7239, LEM3, Lab Etud Microstruct & Mecan Mat, F-57045 Metz, France

来源：

COMPOSITES PART B-ENGINEERING | 2013年 / 52卷

关键词：

Computational modeling; Finite Element Analysis; Micro-Mechanics; HOMOGENIZATION; COMPOSITES; INSTABILITIES; FORMULATION; STRATEGY;

D O I：

10.1016/j.compositesb.2013.04.028

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, we propose to implement, in the framework of a commercial finite element software, a computational multilevel finite element method for the modeling of composite materials and structures. In the present approach, the unknown constitutive relationship at the macroscale is obtained by solving a local finite element problem at the microscale. The main advantages of the proposed computational approach are that it can greatly save computer memory and CPU time, and it has good accuracy at the same time while it allows to easily building nonlinear behavior for high order mechanical theories to deal with problems which cannot be handled by classical multiscale or homogenization theories. The linear and the non-linear cases are introduced and implemented in ABAQUS. A Python script and user-defined FORTRAN subroutines have been developed for this purpose. Finally numerical results show that the method presented in this paper is effective and reliable. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：323 / 333

页数：11

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