计算力学学报2019，Vol.36Issue(1)：90-95,6.DOI:10.7511/jslx20170405002
基于滑移界面耦合技术的旋转电机磁场仿真方法
Magnetic simulation method of rotating motor based on sliding interface coupling technique
摘要
Abstract
This paper presents a new approach to numerical simulation of the magnetic field produced by a rotating motor based on sliding interface coupling technique.Firstly, the weak formulation of the rotating motor problem is established, in which the Coulomb gauge condition and continuity condition at the sliding interface are both imposed by Lagrange method.Then, the primary variables in the whole domain are discretized by a mixed finite element method;the vectorial Lagrange multiplier at the sliding interface is discretized by edge element method;multi-point constraint method is used to couple the scalar Lagrange multiplier at the sliding interface.By using the proposed method, the unique solution of the magnetic vector potential is satisfied automatically without constructing spanning tree for the nonconforming mesh of the rotating machine model.At last, numerical examples containing a rotating coil with excited current model and a simplified permanent magnet synchronous motor model are used to demonstrate the validity of the proposed method.关键词
滑移界面/非匹配网格/Lagrange乘子法/多点约束法/棱边单元法/混合单元法Key words
Sliding interface/nonconforming mesh/Lagrange multiplier method/multi-point constraint method/edge element method/mixed finite element method分类
数理科学引用本文复制引用
江鹏,骞耕,黄晓晓,张群,王平,关振群..基于滑移界面耦合技术的旋转电机磁场仿真方法[J].计算力学学报,2019,36(1):90-95,6.基金项目
国家自然科学基金 (11272074) （11272074）
国家重大科技专项 (2011ZX02403-004) 资助项目. （2011ZX02403-004）
