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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 93
PROCEEDINGS OF THE TENTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
Edited by: B.H.V. Topping, J.M. Adam, F.J. Pallarés, R. Bru and M.L. Romero
Paper 132

Evaluation of Recent Improvements in Harmony Search based Structural Optimization Algorithms

M.P. Saka1, I. Aydogdu2 and O. Hasaçebi3

1Civil Engineering Department, University of Bahrain, Isa Town, Bahrain
2Civil Engineering Department, Akdeniz University, Antalya, Turkey
3Civil Engineering Department, Middle East Technical University, Ankara, Turkey

Full Bibliographic Reference for this paper
M.P. Saka, I. Aydogdu, O. Hasaçebi, "Evaluation of Recent Improvements in Harmony Search based Structural Optimization Algorithms", in B.H.V. Topping, J.M. Adam, F.J. Pallarés, R. Bru, M.L. Romero, (Editors), "Proceedings of the Tenth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 132, 2010. doi:10.4203/ccp.93.132
Keywords: optimum structural design, combinatorial optimization, stochastic search techniques, harmony search algorithm, minimum weight, steel space frame.

Summary
Music-inspired harmony search algorithm is a recently developed metaheuristic technique. It has been extensively used in the development of structural optimization algorithms. Several enhancements are suggested to the standard harmony search method. In this paper, firstly these improvements are summarized and later they are used to determine the optimum design of three dimensional steel frames. The design constraints are implemented according to the load and resistance factor design of the American Institute of Steel Corporation (LRFD-AISC) in the formulation of the optimization problem. The minimum weight is taken as the objective function. Two design examples are considered to evaluate the performance of seven different versions of the harmony search algorithm.

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