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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: Bending Active and Flexible Structures

Structural Morphogenesis for Tunnel-Shaped Frame Structure by Using Genetic Algorithms

< Table of Contents for Bending Active and Flexible Structures
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Bending Active and Flexible Structures
  • Pages: 6
  • Title: Structural Morphogenesis for Tunnel-Shaped Frame Structure by Using Genetic Algorithms
  • Author(s): Daisuke Wada, Koichi Tanaka, Toshio Honma
  • Keywords: structural morphogenesis, tunnel-shaped structure, single-objective optimization, genetic algorithms, bending moment minimization
Abstract
In this paper, we introduce the example of the building that was designed by structural morphogenesis and constructed. The target building is TOTO MUSEUM facilities that have a tunnel-shaped form. We apply genetic algorithms (GA) to the structural morphogenesis of the tunnel-shaped frame structure. We focus on the stress of long term load for objective function. In the numerical result, we show the solution forms of structural morphogenesis with some design constraints. Optimization method use the standard genetic algorithms (SGA). The design variable is the coordinates position of the nodal points. Optimization is the single objective optimization problem of setting the objective function of the bending moment minimization. The numerical result is obtaining the solution forms of the tunnel-shaped frame structure with constraints of building height and space volume. We search for the curved shape that these obtained forms are advantageous in the structure, the design and the function.

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