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A New Hybrid PSOAOA Algorithm for Optimum Design of Structures

•   Dr. Majid Ilchi Ghazaan ,  Iran University of Science & Technology ,   
•   Amirmohammad Salmani Oshnari ,  Sharif University of technology ,   
•   Amirhossein Salmani Oshnari ,  Sharif University of technology ,   

Major Topic: Other Topics in Structural Engineering|دیگر موضوعات در سازه

Abstract

Structural Optimization has always been a principal chapter of a desirable design and metaheuristic algorithms are a beneficial means in this regard. Particle Swarm Optimization (PSO) is a powerful nature-inspired metaheuristic algorithm that is based on the social behaviors of some animals and simulates the movement of organisms inside a bird flock or fish school. The high convergence speed of PSO in collaboration with the intensity of this algorithm in solving different kinds of problems makes this algorithm susceptible to being stuck in local optima at the early stages of the search process. Therefore, in this paper, we proposed a new metaheuristic algorithm called PSOAOA conducting a mathematical approach inspired by Arithmetic Optimization Algorithm (AOA). Arithmetic Optimization Algorithm (AOA) is a population-based metaheuristic in which the exploration and exploitation phases are modeled utilizing the Arithmetic Operators in Math. Three structural optimization problems are solved by exerting this new approach and the results are compared with several recently proposed algorithms in order to validate the capability of the algorithm proposed in this research.

Keywords

Metaheuristic Algorithms; Particle Swarm Optimization; Arithmetic Optimization Algorithm; Structural Optimization

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