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Performance Comparison of Frame Structures: Discrete Michell or Wolff?

[+] Author Affiliations
Maryam Gholamirad, Marcelo Epstein

The University of Calgary, Calgary, AB, Canada

Paper No. IMECE2010-39376, pp. 237-242; 6 pages
doi:10.1115/IMECE2010-39376
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 9: Mechanics of Solids, Structures and Fluids
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4446-5
  • Copyright © 2010 by ASME

abstract

The presented work highlights parallels between natural and human designs for optimization purposes. Wolff’s law predicts that bone trabeculae orientation alterations within a dynamic environment occur in such a way as to use bone material in a structurally efficient manner; this occurs because trabeculae orientations align themselves along principal stress trajectories. Michell has also demonstrated how to optimize structures under a given a set of mechanical loads. Some researchers have recently defined a special case for optimal tensegrity structures that produces the discrete Michell truss. In this paper we have carried out a performance comparison between two different frame structures modeled based on the Wolff’s hypothesis and optimal tensegrity formulation.

Copyright © 2010 by ASME

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