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- Title
Optimum design of reinforced concrete retaining walls with the flower pollination algorithm.
- Authors
Mergos, Panagiotis E.; Mantoglou, Fotios
- Abstract
The flower pollination algorithm (FPA) is an efficient metaheuristic optimization algorithm mimicking the pollination process of flowering species. In this study, FPA is applied, for the first time, to the optimum design of reinforced concrete (RC) cantilever retaining walls. It is found that FPA offers important savings with respect to conventional design approaches and that it outperforms genetic algorithm (GA) and the particle swarm optimization (PSO) algorithm in this design problem. Furthermore, parameter tuning reveals that the best FPA performance is achieved for switch probability values ranging between 0.4 and 0.7, a population size of 20 individuals and a Lévy flight step size scale factor of 0.5. Finally, parametric optimum designs show that the optimum cost of RC retaining walls increases rapidly with the wall height and smoothly with the magnitude of surcharge loading.
- Subjects
CONCRETE walls; POLLINATION; PARTICLE swarm optimization; RETAINING walls; LEVY processes; TARDINESS
- Publication
Structural & Multidisciplinary Optimization, 2020, Vol 61, Issue 2, p575
- ISSN
1615-147X
- Publication type
Article
- DOI
10.1007/s00158-019-02380-x