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Engineering with Computers

, Volume 18, Issue 2, pp 93–108 | Cite as

Lowering Costs of Timber Shear-Wall Design using Global Search

  • P. Svenerudh
  • B. Raphael
  • I.F.C. Smith

Abstract.

This paper describes the application of a new global search technique, PGSL, that reduces structural costs for multi-storey timber housing. This technique is integrated within a computer aided design system that calculates production costs using a detailed product model. The cost calculation module was calibrated in collaboration with an industrial partner, and was tested on a full-scale completed project called Winter City 2000 in Sweden. It is found that the production cost for the shear-walls in the test case can be reduced by up to 10% due to an optimally directed search for structural designs. By using an explicit representation of the structural components in the shear-wall, it is also possible to increase the reliability of cost calculations.

Key words: Cost minimisation; Genetic algorithms; Global search; Object representation; Optimization; Shear walls; Timber design 

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Copyright information

© Springer-Verlag London Limited 2002

Authors and Affiliations

  • P. Svenerudh
    • 1
  • B. Raphael
    • 2
  • I.F.C. Smith
    • 2
  1. 1.Division of Steel Structures, Department of Civil Engineering, Luleà University of Technology, Luleå, SwedenSE
  2. 2.Structural Engineering Institute (IS-IMAC), EPFL-Federal Institute of Technology, Lausanne, SwitzerlandCH

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