Optimum Design of Truss Structures Under Frequency Constraints using Hybrid CSS-MBLS Algorithm

Shahin Jalili Dargalusani*, Siamak Talatahari

*Corresponding author for this work

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Optimum design of truss structures under frequency constraints is a complicated highly non-linear optimization problem with nonconvex solution space. In this paper, a hybrid Charged System Search (CSS) algorithm with Migration-based Local Search (MBLS) is proposed for resolving this problem. The CSS algorithm as a developed metaheuristic optimization algorithm is inspired by the governing laws of electrostatics in physics and the governing laws of motion from the Newtonian mechanics. In the proposed hybrid CSS-MBLS algorithm, the convergence speed of the standard CSS algorithm is enhanced by the MBLS mechanism. Numerical results obtained from some design examples reveal the successfulness and effectiveness of the proposed algorithm in solving truss optimum design problem under frequency constraints.
Original languageEnglish
Pages (from-to)1840-1853
Number of pages14
JournalKSCE Journal of Civil Engineering
Volume22
Early online date11 Sep 2017
DOIs
Publication statusPublished - 2018

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