Computers & Structures, ( ISI ), Volume (69), No (6), Year (1998-12) , Pages (707-717)

Title : ( A review of homogenization and topology optimization I- homogenization theory for media with periodic structure )

Authors: Behrooz Hassani , E. Hinton ,

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Abstract

This is the ®rst part of a three-paper review of homogenization and topology optimization, viewed from an engineering standpoint and with the ultimate aim of clarifying the ideas so that interested researchers can easily implement the concepts described. In the ®rst paper we focus on the theory of the homogenization method where we are concerned with the main concepts and derivation of the equations for computation of e€ective constitutive parameters of complex materials with a periodic micro structure. Such materials are described by the base cell, which is the smallest repetitive unit of material, and the evaluation of the e€ective constitutive parameters may be carried out by analysing the base cell alone. For simple microstructures this may be achieved analytically, whereas for more complicated systems numerical methods such as the ®nite element method must be employed. In the second paper, we consider numerical and analytical solutions of the homogenization equations. Topology optimization of structures is a rapidly growing research area, and as opposed to shape optimization allows the introduction of holes in structures, with consequent savings in weight and improved structural characteristics. The homogenization approach, with an emphasis on the optimality criteria method, will be the topic of the third paper in this review.

Keywords

, Homogenization theory, Periodic boundary condition, asympthotic expansion
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@article{paperid:1034453,
author = {Hassani, Behrooz and E. Hinton},
title = {A review of homogenization and topology optimization I- homogenization theory for media with periodic structure},
journal = {Computers & Structures},
year = {1998},
volume = {69},
number = {6},
month = {December},
issn = {0045-7949},
pages = {707--717},
numpages = {10},
keywords = {Homogenization theory; Periodic boundary condition; asympthotic expansion},
}

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%0 Journal Article
%T A review of homogenization and topology optimization I- homogenization theory for media with periodic structure
%A Hassani, Behrooz
%A E. Hinton
%J Computers & Structures
%@ 0045-7949
%D 1998

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