基于果蝇算法的多边形柱状热分析模型结构化网格优化划分方法

doi:10.19595/j.cnki.1000-6753.tces.200353

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摘要针对交流牵引电机转子导条等多边形柱状热分析模型结构化网格划分质量不高的问题,提出一种结构化网格优化划分方法。建立交流牵引电机热分析的求解域模型,确定交流牵引电机多边形柱状模型的四边形区域质量计算方法,提出一种基于内置四边形的多边形柱状模型四边形区域划分方法,并采用果蝇优化算法（FOA）对各分区方式的综合质量进行优化以获得相应的最佳分区方式,再通过有限元法对其效果进行仿真验证,同时与传统结构化网格划分法进行对比仿真分析,最后通过实验对上述分析作进一步的实验验证,结果表明,该文所提出的结构化网格优化划分方法较传统结构化网格划分法显著提升了交流牵引电机多边形柱状模型的网格划分质量,从而有效提高了交流牵引电机热分析的准确性,具有较好的应用价值。

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	郭宇轩
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	朱广辉

关键词 ：交流牵引电机, 多边形柱状热分析模型, 结构化网格, 优化划分方法, 果蝇优化算法

Abstract：The structured mesh generation in polygonal cylindrical thermal analysis model has low quality, such as rotor guide bar of AC traction motor. Therefore, an optimized method of structured mesh generation is proposed. In this paper, the solution domain model of AC traction motor thermal analysis is established, and the quadrilateral region mass calculation method of AC traction motor polygonal cylinder model is determined. Then, a quadrilateral region division method of polygonal cylinder model based on built-in quadrilateral is proposed, and the fruit fly optimization algorithm (FOA) is used to optimize the comprehensive quality of each partition mode to obtain the corresponding optimal partition mode. Through the finite element method, the proposed method is compared with the traditional structured mesh generation method, and its effect is verified. Finally, the above analysis is further verified by experiments. The results show that compared with the traditional structured mesh generation method, the method proposed in this paper greatly improves the mesh generation of the polygon cylinder model of AC traction motor, thereby improving the accuracy of thermal analysis of AC traction motor, which has good application value.

Key words： AC traction motor polygonal columnar thermal analysis model structured grid optimized partition method fruit fly optimization algorithm (FOA)

收稿日期: 2020-04-09

PACS:

TM343+.2

基金资助:长株潭国家自主创新示范区专项资助项目（2017XK2303）

通讯作者: 张小平,男,1966年生,博士,教授,硕士生导师,研究方向为电力电子与电力传动、智能控制等。E-mail:zxp836@163.com

作者简介: 郭宇轩,男,1994年生,硕士研究生,研究方向为电力电子与电力传动。E-mail:453877764@qq.com

引用本文:

郭宇轩, 张小平, 刘东浩, 张铸, 朱广辉. 基于果蝇算法的多边形柱状热分析模型结构化网格优化划分方法[J]. 电工技术学报, 2021, 36(10): 2028-2038. Guo Yuxuan, Zhang Xiaoping, Liu Donghao, Zhang Zhu, Zhu Guanghui. A Structured Mesh Optimization Method for Polygonal Columnar Thermal Analysis Model Based on Drosophila Algorithm. Transactions of China Electrotechnical Society, 2021, 36(10): 2028-2038.

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