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Computer-Aided Design and Applications (ISSN 1686-4360) is an independent, international peer-reviewed technical journal dedicated to the applications of computer-aided design and manufacturing.
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Volume 5 Numbers 1-4 Pages 565-576
Computer-aided Product Design with Performance-Tailored Mesostructures
Abstract. Motivated by the design and manufacturing of customized cushions for debilitated patients, we propose the idea of performance-tailored mesostructures which can change or adapt their design performance based on given requirements. Our goal is to develop a CAD tool with the capability of specifying heterogeneous material properties in a product component such that a designer can design the component with better performance. Based on the object oriented programming paradigm, we first define a performance-tailored mesostructure and its properties. We then demonstrate an approach of building discipline-specific performance models for such mesostructures. For a product component design, we present a performance-tailored mesostructure design method based on a hierarchical design framework. A CAD system based on the proposed design framework is being developed which can generate CAD models with performance-tailored mesostructures. The generated CAD models can then be fabricated by a layer-based rapid manufacturing system. Several experimental examples are given to demonstrate the capability of our method.
Keywords: heterogeneous material design, cellular structures, design for rapid manufacturing.
DOI: 10.3722/cadaps.2008.565-576
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