水电站的改造对混流式水轮机转轮设计工具有很高的要求。灵活性、几何形状的适应性、水力精度和高速度是这些设计工具的主要技术。介绍了一种混流式水轮机转轮水力设计的新工具 ,其中 ,一种繁殖遗传算法 (breedergeneticalgorithm)与混流式水轮机转轮几何形状的参数化定义以及三维欧拉法则模拟相联系 ,因此 ,水力设计可自动优化 ,以使特定的目标函数最小。 The modification of hydropower station has high requirements for Francis turbine design tools. Flexibility, adaptability to geometries, hydraulic accuracy and speed are the main techniques of these design tools. A new tool for the hydraulic design of a Francis turbine runner is presented, in which a genetic algorithm (breedergeneticalgorithm) is associated with the parametric definition of Francis turbine runner geometries and the three-dimensional Euler’s law simulation. Therefore, hydraulic design Automatically optimized to minimize specific objective functions.