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Structural and Multidisciplinary Optimization

Erschienen in:

01.04.2014 | RESEARCH PAPER

Topology optimization of micro-structure for composites applying a decoupling multi-scale analysis

verfasst von: Junji Kato, Daishun Yachi, Kenjiro Terada, Takashi Kyoya

Erschienen in: Structural and Multidisciplinary Optimization | Ausgabe 4/2014

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Abstract

The present study proposes topology optimization of a micro-structure for composites considering the ma-cro-scopic structural response, applying a decoupling multi-scale analysis based on a homogenization approach. In this study, it is assumed that topology of macro-structure is unchanged and that topology of micro-structure is unique over the macro-structure. The stiffness of the macro-structure is maximized with a prescribed material volume of constituents under linear elastic regime. A gradient-based optimization strategy is applied and an analytical sensitivity approach based on numerical material tests is introduced. It was verified from a series of numerical examples that the proposed method has great potential for advanced material design.

Vorheriger Artikel A framework combining meshfree analysis and adaptive kriging for optimization of stiffened panels

Nächster Artikel Improving collaborative optimization for MDO problems with multi-objective subsystems

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Titel: Topology optimization of micro-structure for composites applying a decoupling multi-scale analysis
verfasst von: Junji Kato
Daishun Yachi
Kenjiro Terada
Takashi Kyoya
Publikationsdatum: 01.04.2014
Verlag: Springer Berlin Heidelberg
Erschienen in: Structural and Multidisciplinary Optimization / Ausgabe 4/2014
Print ISSN: 1615-147X
Elektronische ISSN: 1615-1488
DOI: https://doi.org/10.1007/s00158-013-0994-6

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