期刊
COMPUTERS & STRUCTURES
卷 245, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2020.106461
关键词
Parameter free Jaya algorithm; Sizing and layout structural optimization; Truss structures; Dome structures; Natural frequency constraints
资金
- Dicle University Scientific Research Projects Coordination Unit [Muhendislik.18.002]
The parameter free Jaya algorithm (PFJA) is developed for sizing and layout optimization of truss structures, showing superiority over other metaheuristic optimizers available in the literature.
In this study, the parameter free Jaya algorithm (PFJA) is developed for sizing and layout optimization of truss structures subject to natural frequency constraints. The distinctive feature of PFJA is that it uses neither algorithm-specific parameters nor common parameters in the search process. Besides using an elitist strategy where new structural analyses are performed only if strictly necessary, PFJA adaptively changes population size in the optimization process. The validity of proposed PFJA is demonstrated by solving eight classical truss weight minimization problems including up to 59 sizing and layout design variables. The results obtained by the PFJA are compared with those of standard JA, modified Jaya algorithm (MJA) and other state-of-art metaheuristic algorithms in terms of optimized weight, convergence speed and several statistical parameters. Optimization results prove the superiority of PFJA over standard JA, MJA and other metaheuristic optimizers available in the literature. (C) 2020 Elsevier Ltd. All rights reserved.
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