Layout optimization of multi-material continuum structures with the isolines topology design method
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Querin, Osvaldo M.; Víctoria Nicolás, Maríano; Díaz Gómez, Concepción; Martí Montrull, PascualÁrea de conocimiento
Mecánica de Medios Continuos y Teoría de EstructurasPatrocinadores
This work was supported in part by the Departamento de Estructuras y Construcción at the Universidad Politécnica de Cartagena (Spain) and the Ministerio de Economía y Competitividad (Spain), via the research project DPI2011-26394. Its support is greatly appreciated.Fecha de publicación
2015-02Editorial
Taylor and FrancisCita bibliográfica
Querin, O. M.; Victoria, M,.; Díaz, C.; Martí, P. (2015). Layout optimization of multimaterial continuum structures with the isolines topology design method. Engineering Optimization, 47 (2). pp. 221-237. ISSN 0305-215X. https://doi.org/10.1080/0305215X.2014.882332Revisión por pares
siPalabras clave
Layout optimizationITD algorithm
Continuum structures
Isolines
Multi-material
Resumen
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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