树状给水管网布置形式优化设计

Optimization design of layout form for tree water pipe network

以管网年费用折算值作为管段的权值建立目标函数,以基于破圈法及Mayeda-Seshu算法的列队竞争算法作为求解方法,用于进行树状给水管网系统的优化,并将该方法用于实例研究。结果表明:该算法既可以完全避免以往各种优化算法在进化过程中产生不可行解的弊端,又继承了普通列队竞争算法寻优速度快的优点,使得算法的计算效率显著提高,计算结果的准确性也得以保证。该优化算法的提出对树状给水管网布置形式优化设计具有重要意义。

Taking network conversion value of annual cost as the weight of pipe segment to establish ob -jective function , and using the method of line-up competition which based on breaking circle and Maye-da-Seshu algorithm as solving method ,the paper used this new method to optimize tree water pipe network and applied it in a case study .The result showed that the algorithm can not only completely avoid the drawbacks of producing infeasible solution in the evolutionary process by conventional optimization algo -rithm, but also inherit the advantages of line-up competition algorithm .The method can improve the effi-ciency of the algorithm significantly and ensure the accuracy of calculation results .The optimization algo-rithm the paper proposed has great significance for the optimization design of layout form of tree water pipe network .