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针对供水管网抗震拓扑优化问题,引入管线单元投资重要度的概念评价管网中管线对管网抗震的贡献.在此基础上,将遗传算法、遗传-模拟退火算法、蚁群算法和微粒群算法等现代组合优化算法应用于供水管网抗震拓扑优化中.通过算例对上述算法的优劣进行了对比分析.结果表明:遗传-模拟退火算法表现最好,遗传算法和微粒群算法次之,而蚁群算法的搜索性能较差.
Aiming at the anti-seismic topology optimization of water supply network, the concept of piping unit investment importance is introduced to evaluate the contribution of pipelines to pipe network seismic resistance.On this basis, genetic algorithm, genetic-simulated annealing algorithm, ant colony algorithm and particle swarm optimization Algorithm and other modern combinatorial optimization algorithms are applied to the anti-seismic topology optimization of water supply pipe network.The contrastive analysis of the above algorithms is made by means of examples.The results show that the genetic-simulated annealing algorithm performs the best and the genetic algorithm and the particle swarm optimization algorithm are the second , While ant colony algorithm has poor search performance.