Harmony Search Algorithms in Structural Engineering

  • M. P. Saka
  • I. Aydogdu
  • O. Hasancebi
  • Z. W. Geem
Part of the Studies in Computational Intelligence book series (SCI, volume 359)

Abstract

Harmony search method is widely applied in structural design optimization since its emergence. These applications have shown that harmony search algorithm is robust, effective and reliable optimization method. Within recent years several enhancements are suggested to improve the performance of the algorithm. Among these Mahdavi has presented two versions of harmony search methods. He named these as improved harmony search method and global best harmony search method. Saka and Hasancebi (2009) have suggested adaptive harmony search where the harmony search parameters are adjusted automatically during design iterations. Coelho has proposed improved harmony search method. He suggested an expression for one of the parameters of standard harmony search method. In this chapter, the optimum design problem of steel space frames is formulated according to the provisions of LRFD-AISC (Load and Resistance Factor Design-American Institute of Steel Corporation). The weight of the steel frame is taken as the objective function to be minimized. Seven different structural optimization algorithms are developed each of which are based on one of the above mentioned versions of harmony search method. Three real size steel frames are designed using each of these algorithms. The optimum designs obtained by these techniques are compared and performance of each version is evaluated.

Keywords

Structural Optimization Metaheuristic Techniques Harmony Search Algorithm 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • M. P. Saka
    • 1
  • I. Aydogdu
    • 1
  • O. Hasancebi
    • 2
  • Z. W. Geem
    • 3
  1. 1.Department of Engineering SciencesMiddle East Technical UniversityAnkaraTurkey
  2. 2.Department of Civil EngineeringMiddle East Technical UniversityAnkaraTurkey
  3. 3.Information Technology ProgramiGlobal UniversityAnnandaleUSA

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