A modified ant colony optimization algorithm for dynamic topology optimization
- Authors
- Yoo, Kwang-Seon; Han, Seog-Young
- Issue Date
- Jul-2013
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Modified ant colony optimization (MACO); Ant colony optimization (ACO); Dynamic topology optimization for natural frequencies; Finite element method
- Citation
- COMPUTERS & STRUCTURES, v.123, pp.68 - 78
- Indexed
- SCIE
SCOPUS
- Journal Title
- COMPUTERS & STRUCTURES
- Volume
- 123
- Start Page
- 68
- End Page
- 78
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/162402
- DOI
- 10.1016/j.compstruc.2013.04.012
- ISSN
- 0045-7949
- Abstract
- A modified ant colony optimization (MACO) algorithm implementing a new definition of pheromone and a new cooperation mechanism between ants is presented in this paper. The sensitivity of structural response to the presence of each element included in the finite element (FE) model is evaluated. The study aims to improve the suitability and computational efficiency of the ant colony optimization algorithm in dynamic topology optimization problems. The natural frequencies of the structure must be maximized yet satisfying a constraint on the final volume. Optimization results obtained in three test cases indicate that MACO is more efficient and robust than standard ACO in solving dynamic topology optimization problems.
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