Ansoft12在工程电磁场中的应用.pdf

【实例截图】

【核心代码】

目 录
前言
第 1 篇 Ansoft 二维分析技术
第 1 章 Maxwell 2D快速上手 ································· 2
1.1 初识Maxwell 2D的界面环境 ························ 2
1.2 Maxwell 2D的模型绘制 ······························· 4
1.2.1 曲线模型的绘制 ···································· 5
1.2.2 曲面模型的绘制 ···································· 9
1.3 Maxwell 2D的材料管理 ····························· 11
1.3.1 常用硅钢片材料的添加 ······················ 12
1.3.2 永磁材料的添加 ·································· 16
1.4 Maxwell 2D的边界条件和激励源 ·············· 18
1.4.1 Maxwell 2D的边界条件 ······················ 18
1.4.2 Maxwell 2D的激励源设置 ·················· 24
1.5 Maxwell 2D的网格剖分和求解设置 ·········· 31
1.5.1 Maxwell 2D的网格剖分设置 ·············· 31
1.5.2 Maxwell 2D的求解设置 ······················ 35
1.6 Maxwell 2D的后处理操作流程 ·················· 40
1.6.1 求解场图的查看 ·································· 40
1.6.2 路径上场量的查看 ······························ 43
1.6.3 场计算器的应用 ·································· 44
1.7 本章小结 ····················································· 46
第 2 章 二维电磁场理论和有限元基础 ················ 47
2.1 二维电磁场基本理论 ································· 47
2.1.1 麦克斯韦方程 ····································· 47
2.1.2 位函数及其微分方程 ·························· 48
2.1.3 电磁场中的边界条件 ·························· 50
2.2 二维有限元计算方法 ································· 51
2.2.1 二维有限元法 ····································· 51
2.2.2 电磁场求解后处理 ······························ 55
2.3 Maxwell 2D静磁场分析 ····························· 56
2.3.1 静磁分析理论 ····································· 56
2.3.2 磁链与电感矩阵的计算 ······················ 57
2.3.3 静磁力和力矩的计算 ·························· 59
2.4 Maxwell 2D涡流场分析 ····························· 59
2.4.1 涡流分析理论 ····································· 59
2.4.2 涡流与集肤效应 ································· 60
2.4.3 涡流分析中的阻抗矩阵 ······················ 61
2.4.4 涡流分析中的力和力矩 ······················ 63
2.5 Maxwell 2D瞬态磁分析 ····························· 64
2.5.1 瞬态磁分析理论 ································· 64
2.5.2 铰链导体 ············································· 64
2.5.3 实体导体 ············································· 65
2.6 认识Ansoft电磁场求解器 ·························· 65
2.7 本章小结 ···················································· 67
第 3 章 Ansoft二维电场分析 ································ 68
3.1 二维静电场（Electrostatic）应用 ·············· 68
3.1.1 工程模型描述 ····································· 68
3.1.2 电缆接口模型的前处理 ······················ 69
3.1.3 电缆接头模型的计算和后处理 ·········· 76
3.2 交流传导电场（AC Conduction）应用 ····· 79
3.2.1 电缆接头模型前处理 ·························· 79
3.2.2 电缆接头模型后处理 ·························· 81
3.3 直流传导电场（DC Conduction）应用 ····· 83
3.3.1 电缆接头模型前处理 ·························· 84
3.3.2 电缆接头模型后处理 ·························· 87
3.4 本章小结 ···················································· 90
第 4 章 二维稳态磁场的求解 ······························· 91
4.1 永磁同步电机静磁场分析实例 ·················· 91
4.1.1 问题描述 ············································· 91
4.1.2 创建项目 ············································· 91
4.1.3 构建几何模型 ····································· 95
4.1.4 材料定义及分配 ································104
4.1.5 激励源与边界条件定义及加载 ·········109
4.1.6 求解选项参数设定 ···························· 111
4.1.7 后处理 ················································ 113
4.1.8 保存结果退出 ···································· 118
4.2 感应电机涡流场分析实例 ························ 119
4.2.1 问题描述 ··········································· 119
4.2.2 创建项目 ··········································· 119
4.2.3 构建模型 ··········································· 119
4.2.4 材料属性分配 ··································· 123
4.2.5 激励与边界条件 ································ 124
4.2.6 求解设定 ··········································· 126
4.2.7 求解观察 ··········································· 127
4.2.8 结果保存 ··········································· 129
4.3 本章小结 ··················································· 129
第 5 章 二维瞬态磁场的分析 ····························· 130
5.1 无刷直流电机空载瞬态磁场分析实例 ···· 130
5.1.1 问题描述 ··········································· 130
5.1.2 创建项目 ··········································· 131
5.1.3 创建电机几何模型 ···························· 131
5.1.4 材料定义及分配 ································ 135
5.1.5 激励源与边界条件定义及加载 ········· 137
5.1.6 运动选项设置 ··································· 141
5.1.7 求解选项参数设定 ···························· 142
5.1.8 求解及后处理 ··································· 144
5.1.9 保存结果退出 ··································· 153
5.2 无刷直流电机负载瞬态磁场分析实例 ·····153
5.2.1 问题描述 ············································153
5.2.2 控制电压电路设置 ····························154
5.2.3 电机驱动主回路电路设置 ·················159
5.2.4 电机电路设置 ····································163
5.2.5 电路与有限元连接 ····························166
5.2.6 机械运动设置 ····································168
5.2.7 机械稳态后处理 ································169
5.2.8 机械瞬态后处理 ································171
5.2.9 保存结果退出 ····································174
5.3 圆筒直线永磁电机瞬态磁场分析实例 ·····174
5.3.1 问题描述 ············································175
5.3.2 创建项目 ············································175
5.3.3 创建电机几何模型 ····························176
5.3.4 材料定义及分配 ································179
5.3.5 激励源与边界条件定义及加载 ·········180
5.3.6 运动选项设置 ····································183
5.3.7 求解选项参数设定 ····························184
5.3.8 求解及后处理 ····································186
5.3.9 保存结果退出 ····································189
5.4 本章小结 ···················································189
第 2 篇 Ansoft 三维电磁场的应用
第 6 章 Maxwell 3D 使用基础 ···························· 192
6.1 Maxwell 3D 的模型绘制 ·························· 192
6.1.1 实体模型的绘制 ································ 192
6.1.2 实体模型的绘制 ································ 195
6.2 Maxwell 3D 的求解器和材料库 ··············· 201
6.3 Maxwell 3D 的激励源和边界条件 ··········· 201
6.4 Maxwell 3D 的网格剖分和求解设置 ······· 207
6.5 Maxwell 3D 的后处理操作 ······················· 211
6.5.1 三维物体内的场图绘制 ···················· 211
6.5.2 已知路径上的场图绘制 ···················· 214
6.6 本章小结 ··················································· 215
第 7 章 三维电磁场有限元基础 ························· 216
7.1 三维网格剖分单元和系数矩阵建立 ········ 216
7.1.1 三维网格剖分单元类型 ···················· 216
7.1.2 四面体单元类型的基函数 ················ 217
7.1.3 基于四面体单元的系数矩阵 ············ 220
7.2 三维电磁场计算原理 ································221
7.2.1 三维电场计算原理 ····························221
7.2.2 三维静磁场计算原理 ·························221
7.2.3 三维涡流场计算原理 ·························222
7.2.4 三维瞬态场计算原理 ·························223
7.3 本章小结 ···················································224
第 8 章 Ansoft 三维电场应用 ······························225
8.1 三维静电场的使用 ····································225
8.1.1 三维模型的绘制 ································225
8.1.2 激励源和边界条件设定 ·····················228
8.1.3 剖分和求解设定 ································229
8.1.4 静电场后处理场图查看 ·····················230
8.2 三维直流传导电场使用 ····························231
8.3 三维瞬态电场的使用 ································236
8.3.1 三维实体模型绘制 ····························236
8.3.2 激励源设定和网格设定 ·····················237
8.3.3 求解设定和后处理 ···························· 240
8.4 本章小结 ··················································· 243
第 9 章 三维静磁场应用 ····································· 244
9.1 平板型直线永磁电机 3D 静磁场分析 ······ 244
9.1.1 问题描述 ··········································· 244
9.1.2 创建项目 ··········································· 245
9.1.3 创建电机几何模型 ···························· 245
9.1.4 材料定义及分配 ································ 249
9.1.5 激励源与边界条件定义及加载 ········· 251
9.1.6 求解选项参数设定 ···························· 252
9.1.7 后处理 ··············································· 254
9.2 三维静磁场中的参数化求解 ···················· 259
9.2.1 三维线圈参数建模 ···························· 260
9.2.2 三维线圈参数化激励源施加 ············ 262
9.2.3 三维线圈材料给定 ···························· 263
9.2.4 三维线圈参数化求解 ························ 264
9.2.5 三维线圈电感参数计算结果 ············ 266
9.3 本章小结 ··················································· 266
第 10 章 Ansoft 三维涡流场应用 ······················· 267
10.1 鼠笼型感应电动机三维模型建立 ·········· 267
10.1.1 问题描述 ··········································267
10.1.2 三维鼠笼电机模型建立 ···················267
10.1.3 在 Maxwell 3D 界面内建模 ·············268
10.1.4 使用自带快速建模工具建模 ···········277
10.1.5 利用三维机械 CAD 软件建模 ·········283
10.2 鼠笼型感应电动机材料和激励添加 ·······285
10.2.1 三维鼠笼电机材料的添加 ···············285
10.2.2 三维鼠笼电机激励源和边界条件 ···290
10.3 鼠笼型感应电动机参数和求解设置 ·······296
10.4 鼠笼型感应电动机计算结果及后处理 ···297
10.5 本章小结 ·················································302
第 11 章 Ansoft 三维瞬态磁场应用 ····················303
11.1 电磁失电制动器三维实体建模 ···············303
11.1.1 电磁失电制动器工作背景 ···············303
11.1.2 电磁失电制动器三维模型建立 ·······304
11.2 电磁失电制动器材料和激励给定 ··········· 311
11.3 电磁失电制动器剖分和求解设定 ···········320
11.4 电磁失电制动器瞬态计算结果 ···············325
11.5 本章小结 ·················································328
第 3 篇 Ansoft 旋转电机分析
第 12 章 RMxprt电机性能分析 ··························· 330
12.1 RMxprt在三相异步电动机中的应用 ······ 330
12.1.1 工程模型描述 ·································· 331
12.1.2 RMxprt使用前的准备工作 ·············· 332
12.1.3 Y160M-4 电机的参数设定 ·············· 333
12.1.4 Y160M-4 电机的仿真设定 ·············· 344
12.1.5 Y160M-4 电机的计算及结果察看 ·· 345
12.2 RMxprt与Maxwell 2D/3D的耦合 ············348
12.2.1 RMxprt导入至Maxwell 2D
 有限元模快 ·····································349
12.2.2 RMxprt导入至Maxwell 3D
 有限元模块 ·····································351
12.3 RMxprt模块下的参数分析 ······················352
12.4 本章小结 ·················································359