Much work has been done on the optimization of the discrete variable structure design. In order to handle the optimization problem effectively, the related theories, methods, and other beneficial results were summarized. On the basis of analyzing the predecessors' research, the development direction was introduced. Then, some practical methods, including their improvements, for discrete structural optimization were analyzed. Finally, the Ant Colony Optimization algorithms were shown as promising methods. This work has significance in theory and practice for the development of structural optimization.
Li, Y., Heng, B., Kong, L. and Yang, W. (2011), "Review of algorithms of structural optimization with discrete variables", World Journal of Engineering, Vol. 8 No. 3, pp. 231-236. https://doi.org/10.1260/1708-5218.104.22.168
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