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Design of Flexible Skin for Target Displacements Based on Meso-Structures

[+] Author Affiliations
Yongqiang Li, Yong Chen, Chi Zhou

University of Southern California, Los Angeles, CA

Paper No. DETC2009-87137, pp. 611-624; 14 pages
  • ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 29th Computers and Information in Engineering Conference, Parts A and B
  • San Diego, California, USA, August 30–September 2, 2009
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4899-9 | eISBN: 978-0-7918-3856-3
  • Copyright © 2009 by ASME


Recent advances in sold freeform fabrication (SFF) present tremendous design freedom for a product design with complex geometries. In this paper, we consider the problem of using rigid materials to design flexible skin of a product component for SFF. A design strategy based on the combination of well-defined meso-structures is presented to achieve desired heterogeneous material properties, and consequently desired flexibility in target directions and positions. We present our computational framework to automate the design optimization process. Due to the dramatically increased design space, a brute force or traditional design optimization method such as the genetic algorithm (GA) and particle swam optimization (PSO) is not efficient. We present a design method based on the idea of analyzing the flexibility of each link for given meso-structures. Two experimental examples are presented to demonstrate its usage in generating the maximum/minimum and target displacements. We also present its comparison with the GA and PSO methods.

Copyright © 2009 by ASME
Topics: Design , Skin



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