提出了一种多目标差分进化算法(MDE),典型函数试验结果表明该算法具有优秀的多日标寻优能力,满足多目标气动优化设计的要求.耦合并行多目标差分进化算法、三次B样条曲面造型方法和CFD求解技术,提出了新的轴流式叶轮机械叶栅三维多目标气动优化设计方法.选择等熵效率和总压比为目标函数,完成了NASA Rotor37转子叶栅的多目标气动优化设计.优化后叶栅的气动性能明显提高,表明该方法具有良好的优化性能和应用前景.
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