Design of Functionally Graded Structures Using Topology Optimization

Abstract:

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The concept of functionally graded materials (FGMs) is closely related to the concept of topology optimization, which consists in a design method that seeks a continuum optimum material distribution in a design domain. Thus, in this work, topology optimization is applied to design FGM structures considering a minimum compliance criterion. The present approach applies the so-called “continuous topology optimization” formulation where a continuous change of material properties is considered inside the design domain by using the graded finite element concept. A new design is obtained where distribution of the graded material itself is considered in the design domain, and the material properties change in a certain direction according to a specified variation, leading to a structure with asymmetric stiffness properties.

Info:

Periodical:

Materials Science Forum (Volumes 492-493)

Edited by:

Omer Van der Biest, Michael Gasik, Jozef Vleugels

Pages:

435-440

DOI:

10.4028/www.scientific.net/MSF.492-493.435

Citation:

G. H. Paulino and E. C. N. Silva, "Design of Functionally Graded Structures Using Topology Optimization", Materials Science Forum, Vols. 492-493, pp. 435-440, 2005

Online since:

August 2005

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Price:

$35.00

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