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Optimal design of truss structures using weighted superposition attraction algorithm
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DOI：10.1007/s00366-019-00744-x.png)
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In this paper, a recently developed swarm based metaheuristic algorithm called weighted superposition attraction (WSA) is implemented for sizing optimization of truss structures first time in literature. The WSA algorithm based on superposition and attracted movement of agents that are observable in many natural systems. The efficiency and robustness of the WSA are investigated by solving five classic 2D and 3D truss-weight minimization problems with fixed-geometry and up to 200 elements. Optimization results demonstrated that WSA is able to generate the best results in terms of optimized weight, standard deviation and number of structural analyses in comparison to all other compared state-of-the-art metaheuristic algorithms.
Keyword:
Sizing optimization
Truss structures
Weighted superposition attraction algorithm
Metaheuristic algorithms
Nonlinear optimization
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