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Article
Publication date: 1 July 2005

Adnan Ibrahimbegović, Igor Grešovnik, Damijan Markovič, Sergiy Melnyk and Tomaž Rodič

Proposes a methodology for dealing with the problem of designing a material microstructure the best suitable for a given goal.

2004

Abstract

Purpose

Proposes a methodology for dealing with the problem of designing a material microstructure the best suitable for a given goal.

Design/methodology/approach

The chosen model problem for the design is a two‐phase material, with one phase related to plasticity and another to damage. The design problem is set in terms of shape optimization of the interface between two phases. The solution procedure proposed herein is compatible with the multi‐scale interpretation of the inelastic mechanisms characterizing the chosen two‐phase material and it is thus capable of providing the optimal form of the material microstructure. The original approach based upon a simultaneous/sequential solution procedure for the coupled mechanics‐optimization problem is proposed.

Findings

Several numerical examples show a very satisfying performance of the proposed methodology. The latter can easily be adapted to other choices of design variables.

Originality/value

Confirms that one can thus achieve the optimal design of the nonlinear behavior of a given two‐phase material with respect to the goal specified by a cost function, by computing the optimal form of the shape interface between the phases.

Details

Engineering Computations, vol. 22 no. 5/6
Type: Research Article
ISSN: 0264-4401

Keywords

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Article
Publication date: 1 December 2006

Modelling, Optimization techniques and Structures

283

Abstract

Details

Engineering Computations, vol. 23 no. 8
Type: Research Article
ISSN: 0264-4401

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