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Surface Topology Optimization of Water Tanks Using Genetic Algorithm

[+] Author Affiliations
Cecil Lawrence, Wieslaw M. Szydlowski

University of Nebraska at Lincoln, Lincoln, NE

Paper No. IMECE2003-43925, pp. 189-195; 7 pages
doi:10.1115/IMECE2003-43925
From:
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Recent Advances in Mechanics of Solids and Structures
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-3726-2 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME

abstract

The purpose of this work is to explore the possibility of utilizing Genetic Algorithm in optimizing the surface topology of water tanks. The surface characteristics of a corrugated tank are tested on a small element on its circumference. A mathematical equation to represent most practical corrugated surfaces is developed using the Coons surface with trigonometric series curves. The parameters of this mathematical equation are used to describe the chromosome for different surfaces. A multi-objective fitness function incorporating the performance of a surface and the manufacturing cost associated with that surface is developed, which uses finite element analysis to determine the performance of each surface. Considerable better corrugations, compared to those normally used, were found.

Copyright © 2003 by ASME

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