Title: Automatic shape and topology variations in 3D CAD environments for genetic optimisation

Authors: Noel Leon-Rovira, Jose Maria Cueva, David Silva, Jorge Gutierrez

Addresses: Center for Innovation in Design and Technology, ITESM, Campus Monterrey, Ave. Eugenio Garza Sada # 2501, Colonia Tecnologico, Monterrey, Nuevo Leon, 64841, Mexico. ' Center for Innovation in Design and Technology, ITESM, Campus Monterrey, Ave. Eugenio Garza Sada # 2501, Colonia Tecnologico, Monterrey, Nuevo Leon, 64841, Mexico. ' Center for Innovation in Design and Technology, ITESM, Campus Monterrey, Ave. Eugenio Garza Sada # 2501, Colonia Tecnologico, Monterrey, Nuevo Leon, 64841, Mexico. ' Center for Innovation in Design and Technology, ITESM, Campus Monterrey, Ave. Eugenio Garza Sada # 2501, Colonia Tecnologico, Monterrey, Nuevo Leon, 64841, Mexico

Abstract: This paper introduces tools for automatic shape and topology variations in 3D-CAD environments for optimisation and innovation purposes. It is known that performance enhancements are first achieved through optimisation methods for finding maxima or minima of the response surface. Then, after performance enhancements through parametric changes are exhausted, paradigm shifts and other qualitative changes that lead to innovation are required. A macro has been implemented within a commercial CAD system as an approach for supporting shape and topological variations. Using genetic algorithms evolutionary shape and topology variations are performed that allow further performance enhancements.

Keywords: shape optimisation; topology optimisation; genetic algorithms; design automation; 3D CAD; CAI; TRIZ; computer-aided innovation; theory of inventive problem solving.

DOI: 10.1504/IJCAT.2007.015697

International Journal of Computer Applications in Technology, 2007 Vol.30 No.1/2, pp.59 - 68

Published online: 09 Nov 2007 *

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