Flexible optimum design of a bracing system for façade design using multiobjective Genetic Algorithms

James N. Richardson, Guy Nordenson, Rebecca Laberenne, Rajan Filomeno Coelho, Sigrid Adriaenssens

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

X-bracing systems are widely applied in structural design to limit deflections and guarantee stability. Efficient distribution of bracing over a structure is an important concern and often based on intuition and previous experience. This paper presents a topology optimization procedure for cable bracing of the hanging steel façade of a new museuminthe United States. In this procedure the use ofa multiobjective Genetic Algorithm allows for flexibility during design modifications and accounts for uncertainty of deflection constraint values. The presented method achieves practical solutions to a series of cost minimizing problems, giving the designer a range of optimal bracing configurations which can be selected in response to the continuously changing structural and architectural requirements throughout the design process.

Original languageEnglish (US)
Pages (from-to)80-87
Number of pages8
JournalAutomation in Construction
Volume32
DOIs
StatePublished - Jan 1 2013

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Building and Construction
  • Civil and Structural Engineering

Keywords

  • Façade bracing design
  • Genetic Algorithms
  • Multiobjective optimization
  • Steel braced systems
  • Structural optimization
  • Topology optimization

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