Journal
ADVANCES IN ENGINEERING SOFTWARE
Volume 67, Issue -, Pages 173-185Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.advengsoft.2013.10.003
Keywords
Structural optimization; Discrete optimization; Metaheuristic search techniques; Bat inspired search; Steel frames; Minimum weight design
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Bat inspired (BI) algorithm is a recently developed metaheuristic optimization technique inspired by echolocation behavior of bats. In this study, the BI algorithm is examined in the context of discrete size optimization of steel frames designed for minimum weight. In the optimum design problem frame members are selected from available set of steel sections for producing practically acceptable designs subject to strength and displacement provisions of American Institute of Steel Construction-Allowable Stress Design (AISC-ASD) specification. The performance of the technique is quantified using three real-size large steel frames under actual load and design considerations. The results obtained provide a sufficient evidence for successful performance of the BI algorithm in comparison to other metaheuristics employed in structural optimization. (C) 2013 Elsevier Ltd. All rights reserved.
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