Layout optimization of multi-material continuum structures with the isolines topology design method

A heterogeneous or multi-material object is one made from different materials which are distributed continuously or discontinuously. Its properties can be adjusted by controlling the material composition, microstructure and geometry of the object. The development of manufacturing technologies such a...

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Vydáno v:Engineering optimization Ročník 47; číslo 2; s. 221 - 237
Hlavní autoři: Querin, Osvaldo M., Victoria, Mariano, Díaz, Concepción, Martí, Pascual
Médium: Journal Article
Jazyk:angličtina
Vydáno: Abingdon Taylor & Francis 01.02.2015
Taylor & Francis Ltd
Témata:
Algorithms
continuum structures
Continuums
Cost reduction
Geometry
isolines
ITD algorithm
layout optimization
Mathematical problems
Microstructure
multi-material
Operations research
Optimization
Optimization algorithms
Rapid prototyping
Tasks
Topology
Two dimensional
ISSN:0305-215X, 1029-0273
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Shrnutí:A heterogeneous or multi-material object is one made from different materials which are distributed continuously or discontinuously. Its properties can be adjusted by controlling the material composition, microstructure and geometry of the object. The development of manufacturing technologies such as rapid prototyping can eliminate the high cost of tooling and offers the possibility to make multi-material structures. However, designing such technologies is not a trivial task and requires the development or modifications of optimization algorithms to take into consideration the different aspects of these problems. This article presents an enhancement to the isolines topology design (ITD) algorithm that allows it to produce multi-material designs. Four examples of the topology design of two-dimensional continuum structures are presented to demonstrate that the ITD algorithm is an efficient and reliable method to achieve the layout optimization of multi-material continuum structures.
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ISSN:0305-215X
1029-0273
DOI:10.1080/0305215X.2014.882332