第1 篇
第1 章 有限元分析概述 ···································································································.1
1.1 有限元法發(fā)展綜述 ··································································································.2
1.1.1 有限元法的孕育和發(fā)展 ···················································································.2
1.1.2 有限元法的基本思想 ······················································································.3
1.1.3 有限元法的發(fā)展趨勢 ······················································································.4
1.2 工程問題的數(shù)學(xué)物理方程 ·························································································.6
1.2.1 工程問題的數(shù)學(xué)物理方程（控制方程）概述 ························································.6
1.2.2 變分函數(shù) ·····································································································.9
1.2.3 插值函數(shù) ···································································································.10
1.2.4 形函數(shù) ······································································································.10
1.2.5 剛度矩陣 ···································································································.10
1.2.6 連通性 ······································································································.11
1.2.7 邊界條件 ···································································································.11
1.2.8 圓柱坐標(biāo)系中的問題 ····················································································.12
1.2.9 直接方法 ···································································································.12
1.3 有限元法的解題步驟 ·····························································································.13
1.4 本章小結(jié) ············································································································.13
第2 章 幾何建模 ···········································································································.14
2.1 ANSYS Workbench 平臺(tái)及模塊 ················································································.15
2.1.1 ANSYS Workbench 平臺(tái)主界面 ······································································.15
2.1.2 菜單欄 ······································································································.16
2.1.3 工具欄 ······································································································.22
2.1.4 “工具箱”窗格 ··························································································.23
2.2 幾何建模概述 ······································································································.27
2.2.1 幾何建模平臺(tái) ·····························································································.27
2.2.2 菜單欄 ······································································································.27
2.2.3 工具欄 ······································································································.35
2.2.4 常用命令欄 ································································································.37
2.2.5 “樹輪廓”窗格 ··························································································.37
2.2.6 幾何建模實(shí)例——連接扣 ··············································································.39
2.3 本章小結(jié) ············································································································.48
第3 章 網(wǎng)格劃分 ···········································································································.49
3.1 網(wǎng)格劃分概述 ······································································································.50
3.1.1 網(wǎng)格劃分適用領(lǐng)域 ·······················································································.50
3.1.2 網(wǎng)格劃分方法 ·····························································································.50
3.1.3 網(wǎng)格默認(rèn)設(shè)置 ·····························································································.53
3.1.4 網(wǎng)格尺寸設(shè)置 ·····························································································.53
3.1.5 網(wǎng)格質(zhì)量設(shè)置 ·····························································································.55
3.1.6 網(wǎng)格膨脹設(shè)置 ·····························································································.60
3.1.7 網(wǎng)格高級(jí)選項(xiàng)設(shè)置 ·······················································································.62
3.1.8 網(wǎng)格統(tǒng)計(jì)設(shè)置 ·····························································································.62
3.2 網(wǎng)格劃分實(shí)例 ······································································································.63
3.2.1 實(shí)例1——網(wǎng)格尺寸控制 ···············································································.63
3.2.2 實(shí)例2——掃掠網(wǎng)格劃分 ···············································································.70
3.2.3 實(shí)例3——多區(qū)域網(wǎng)格劃分 ············································································.73
3.2.4 實(shí)例4——CDB 網(wǎng)格導(dǎo)入 ··············································································.77
3.2.5 實(shí)例5——BDF 網(wǎng)格導(dǎo)入 ··············································································.81
3.3 本章小結(jié) ············································································································.83
第4 章 后處理 ··············································································································.84
4.1 后處理概述 ·········································································································.85
4.1.1 查看結(jié)果 ···································································································.85
4.1.2 顯示結(jié)果 ···································································································.88
4.1.3 顯示變形 ···································································································.88
4.1.4 應(yīng)力和應(yīng)變 ································································································.89
4.1.5 接觸結(jié)果 ···································································································.90
4.1.6 顯示自定義結(jié)果 ··························································································.91
4.2 實(shí)例分析 ············································································································.91
4.2.1 問題描述 ···································································································.92
4.2.2 創(chuàng)建分析項(xiàng)目 ·····························································································.92
4.2.3 導(dǎo)入幾何體 ································································································.92
4.2.4 添加材料庫 ································································································.93
4.2.5 添加模型材料屬性 ·······················································································.94
4.2.6 劃分網(wǎng)格 ···································································································.95
4.2.7 施加載荷與約束 ··························································································.96
2.2.4 常用命令欄 ································································································.37
2.2.5 “樹輪廓”窗格 ··························································································.37
2.2.6 幾何建模實(shí)例——連接扣 ··············································································.39
2.3 本章小結(jié) ············································································································.48
第3 章 網(wǎng)格劃分 ···········································································································.49
3.1 網(wǎng)格劃分概述 ······································································································.50
3.1.1 網(wǎng)格劃分適用領(lǐng)域 ·······················································································.50
3.1.2 網(wǎng)格劃分方法 ·····························································································.50
3.1.3 網(wǎng)格默認(rèn)設(shè)置 ·····························································································.53
3.1.4 網(wǎng)格尺寸設(shè)置 ·····························································································.53
3.1.5 網(wǎng)格質(zhì)量設(shè)置 ·····························································································.55
3.1.6 網(wǎng)格膨脹設(shè)置 ·····························································································.60
3.1.7 網(wǎng)格高級(jí)選項(xiàng)設(shè)置 ·······················································································.62
3.1.8 網(wǎng)格統(tǒng)計(jì)設(shè)置 ·····························································································.62
3.2 網(wǎng)格劃分實(shí)例 ······································································································.63
3.2.1 實(shí)例1——網(wǎng)格尺寸控制 ···············································································.63
3.2.2 實(shí)例2——掃掠網(wǎng)格劃分 ···············································································.70
3.2.3 實(shí)例3——多區(qū)域網(wǎng)格劃分 ············································································.73
3.2.4 實(shí)例4——CDB 網(wǎng)格導(dǎo)入 ··············································································.77
3.2.5 實(shí)例5——BDF 網(wǎng)格導(dǎo)入 ··············································································.81
3.3 本章小結(jié) ············································································································.83
第4 章 后處理 ··············································································································.84
4.1 后處理概述 ·········································································································.85
4.1.1 查看結(jié)果 ···································································································.85
4.1.2 顯示結(jié)果 ···································································································.88
4.1.3 顯示變形 ···································································································.88
4.1.4 應(yīng)力和應(yīng)變 ································································································.89
4.1.5 接觸結(jié)果 ···································································································.90
4.1.6 顯示自定義結(jié)果 ··························································································.91
4.2 實(shí)例分析 ············································································································.91
4.2.1 問題描述 ···································································································.92
4.2.2 創(chuàng)建分析項(xiàng)目 ·····························································································.92
4.2.3 導(dǎo)入幾何體 ································································································.92
4.2.4 添加材料庫 ································································································.93
4.2.5 添加模型材料屬性 ·······················································································.94
4.2.6 劃分網(wǎng)格 ···································································································.95
4.2.7 施加載荷與約束 ··························································································.96
5.4.6 劃分網(wǎng)格 ··································································································.128
5.4.7 施加載荷與約束 ·························································································.129
5.4.8 結(jié)果后處理 ·······························································································.130
5.4.9 保存與退出 ·······························································································.132
5.4.10 讀者演練 ································································································.132
5.5 本章小結(jié) ···········································································································.132
第6 章 模態(tài)分析 ··········································································································.133
6.1 結(jié)構(gòu)動(dòng)力學(xué)分析概述 ····························································································.134
6.1.1 結(jié)構(gòu)動(dòng)力學(xué)分析 ·························································································.134
6.1.2 結(jié)構(gòu)動(dòng)力學(xué)分析的阻尼 ················································································.134
6.2 模態(tài)分析概述 ·····································································································.135
6.2.1 模態(tài)分析簡介 ····························································································.135
6.2.2 模態(tài)分析基礎(chǔ) ····························································································.136
6.2.3 預(yù)應(yīng)力模態(tài)分析 ·························································································.136
6.3 實(shí)例1——方板模態(tài)分析 ·······················································································.136
6.3.1 問題描述 ··································································································.136
6.3.2 創(chuàng)建分析項(xiàng)目 ····························································································.137
6.3.3 創(chuàng)建幾何體 ·······························································································.137
6.3.4 添加材料庫 ·······························································································.137
6.3.5 添加模型材料屬性 ······················································································.139
6.3.6 劃分網(wǎng)格 ··································································································.140
6.3.7 施加載荷與約束 ·························································································.140
6.3.8 結(jié)果后處理 ·······························································································.141
6.3.9 保存與退出 ·······························································································.144
6.4 實(shí)例2——方板在有預(yù)壓力下的模態(tài)分析 ··································································.144
6.4.1 問題描述 ··································································································.144
6.4.2 創(chuàng)建分析項(xiàng)目 ····························································································.144
6.4.3 創(chuàng)建幾何體 ·······························································································.145
6.4.4 添加材料庫 ·······························································································.145
6.4.5 添加模型材料屬性 ······················································································.147
6.4.6 劃分網(wǎng)格 ··································································································.148
6.4.7 施加載荷與約束 ·························································································.148
6.4.8 進(jìn)行模態(tài)分析 ····························································································.150
6.4.9 結(jié)果后處理 ·······························································································.150
6.4.10 保存與退出 ·····························································································.152
6.5 實(shí)例3——方板在有預(yù)拉力下的模態(tài)分析 ··································································.152
6.5.1 問題描述 ··································································································.152
6.5.2 修改外載荷數(shù)據(jù) ·························································································.152
6.5.3 進(jìn)行模態(tài)分析 ····························································································.153
6.5.4 結(jié)果后處理 ·······························································································.153
6.5.5 保存與退出 ·······························································································.154
6.5.6 結(jié)論 ········································································································.155
6.6 實(shí)例4——方板在有阻尼下的模態(tài)分析 ·····································································.155
6.6.1 問題描述 ··································································································.155
6.6.2 進(jìn)行模態(tài)分析 ····························································································.155
6.6.3 結(jié)果后處理 ·······························································································.156
6.6.4 保存與退出 ·······························································································.157
6.7 本章小結(jié) ···········································································································.157
第7 章 諧響應(yīng)分析 ·······································································································.158
7.1 諧響應(yīng)分析概述 ··································································································.159
7.1.1 諧響應(yīng)分析簡介 ·························································································.159
7.1.2 諧響應(yīng)分析的載荷與輸出 ·············································································.159
7.1.3 諧響應(yīng)分析通用方程 ···················································································.160
7.2 實(shí)例1——梁單元諧響應(yīng)分析 ·················································································.160
7.2.1 問題描述 ··································································································.160
7.2.2 創(chuàng)建分析項(xiàng)目 ····························································································.160
7.2.3 創(chuàng)建模態(tài)分析項(xiàng)目 ······················································································.161
7.2.4 材料選擇 ··································································································.162
7.2.5 施加載荷與約束 ·························································································.162
7.2.6 模態(tài)求解 ··································································································.164
7.2.7 結(jié)果后處理（1） ·······················································································.164
7.2.8 創(chuàng)建諧響應(yīng)分析項(xiàng)目 ···················································································.166
7.2.9 施加載荷與約束 ·························································································.166
7.2.10 諧響應(yīng)計(jì)算 ·····························································································.168
7.2.11 結(jié)果后處理（2） ······················································································.168
7.2.12 保存與退出 ·····························································································.171
7.3 實(shí)例2——實(shí)體諧響應(yīng)分析 ····················································································.171
7.3.1 問題描述 ··································································································.171
7.3.2 創(chuàng)建分析項(xiàng)目 ····························································································.171
7.3.3 材料選擇 ··································································································.172
7.3.4 施加載荷與約束 ·························································································.173
7.3.5 模態(tài)求解 ··································································································.174
7.3.6 結(jié)果后處理（1） ·······················································································.174
7.3.7 進(jìn)行諧響應(yīng)分析 ·························································································.176
7.3.8 諧響應(yīng)計(jì)算 ·······························································································.177
7.3.9 結(jié)果后處理（2） ·······················································································.177
7.3.10 保存與退出 ·····························································································.179
7.4 實(shí)例3——含阻尼的諧響應(yīng)分析 ··············································································.179
7.5 本章小結(jié) ···········································································································.181
第8 章 響應(yīng)譜分析 ·······································································································.182
8.1 響應(yīng)譜分析概述 ··································································································.183
8.1.1 頻譜的定義 ·······························································································.183
8.1.2 響應(yīng)譜分析的基本概念 ················································································.184
8.2 實(shí)例1——梁單元響應(yīng)譜分析 ·················································································.185
8.2.1 問題描述 ··································································································.186
8.2.2 創(chuàng)建分析項(xiàng)目 ····························································································.186
8.2.3 導(dǎo)入幾何體 ·······························································································.187
8.2.4 進(jìn)行靜力學(xué)分析 ·························································································.187
8.2.5 添加材料庫 ·······························································································.187
8.2.6 接觸設(shè)置 ··································································································.187
8.2.7 完成網(wǎng)格劃分 ····························································································.189
8.2.8 施加約束 ··································································································.189
8.2.9 進(jìn)行模態(tài)分析 ····························································································.191
8.2.10 結(jié)果后處理（1） ······················································································.191
8.2.11 進(jìn)行響應(yīng)譜分析 ·······················································································.192
8.2.12 添加加速度頻譜 ·······················································································.193
8.2.13 結(jié)果后處理（2） ······················································································.194
8.2.14 其他設(shè)置 ································································································.195
8.2.15 保存與退出 ·····························································································.196
8.3 實(shí)例2——建筑物響應(yīng)譜分析 ·················································································.196
8.3.1 問題描述 ··································································································.197
8.3.2 創(chuàng)建分析項(xiàng)目 ····························································································.197
8.3.3 導(dǎo)入幾何體 ·······························································································.198
8.3.4 進(jìn)行靜力學(xué)分析 ·························································································.198
8.3.5 添加材料庫 ·······························································································.199
8.3.6 劃分網(wǎng)格 ··································································································.199
8.3.7 施加曲面約束 ····························································································.199
8.3.8 施加固定約束 ····························································································.200
8.3.9 進(jìn)行模態(tài)分析 ····························································································.201
8.3.10 結(jié)果后處理（1） ······················································································.201
8.3.11 進(jìn)行響應(yīng)譜分析 ·······················································································.202
8.3.12 添加加速度頻譜 ·······················································································.203
8.3.13 結(jié)果后處理（2） ······················································································.205
8.3.14 保存與退出 ·····························································································.207
8.4 本章小結(jié) ···········································································································.207
第9 章 隨機(jī)振動(dòng)分析 ···································································································.208
9.1 隨機(jī)振動(dòng)分析概述 ·······························································································.209
9.2 實(shí)例1——梁單元隨機(jī)振動(dòng)分析 ··············································································.210
9.2.1 問題描述 ··································································································.210
9.2.2 創(chuàng)建分析項(xiàng)目 ····························································································.210
9.2.3 導(dǎo)入幾何體 ·······························································································.211
9.2.4 進(jìn)行靜力學(xué)分析 ·························································································.211
9.2.5 添加材料庫 ·······························································································.212
9.2.6 接觸設(shè)置 ··································································································.212
9.2.7 完成網(wǎng)格劃分 ····························································································.213
9.2.8 施加約束 ··································································································.213
9.2.9 進(jìn)行模態(tài)分析 ····························································································.215
9.2.10 結(jié)果后處理（1） ······················································································.215
9.2.11 進(jìn)行隨機(jī)振動(dòng)分析 ····················································································.217
9.2.12 添加加速度頻譜 ·······················································································.217
9.2.13 結(jié)果后處理（2） ······················································································.218
9.2.14 保存與退出 ·····························································································.219
9.3 實(shí)例2——建筑物隨機(jī)振動(dòng)分析 ··············································································.220
9.3.1 問題描述 ··································································································.220
9.3.2 創(chuàng)建分析項(xiàng)目 ····························································································.220
9.3.3 導(dǎo)入幾何體 ·······························································································.220
9.3.4 進(jìn)行靜力學(xué)分析 ·························································································.221
9.3.5 添加材料庫 ·······························································································.221
9.3.6 劃分網(wǎng)格 ··································································································.221
9.3.7 施加曲面約束 ····························································································.222
9.3.8 施加固定約束 ····························································································.222
9.3.9 進(jìn)行模態(tài)分析 ····························································································.224
9.3.10 結(jié)果后處理（1） ······················································································.224
9.3.11 進(jìn)行隨機(jī)振動(dòng)分析 ····················································································.225
9.3.12 添加加速度頻譜 ·······················································································.226
9.3.13 結(jié)果后處理（2） ······················································································.228
9.3.14 保存與退出 ·····························································································.229
9.4 本章小結(jié) ···········································································································.229
第10 章 瞬態(tài)動(dòng)力學(xué)分析 ······························································································.230
10.1 瞬態(tài)動(dòng)力學(xué)分析概述 ··························································································.231
10.2 實(shí)例1——鋼結(jié)構(gòu)地震分析 ···················································································.231
10.2.1 問題描述 ································································································.231
10.2.2 創(chuàng)建分析項(xiàng)目 ··························································································.232
10.2.3 創(chuàng)建幾何體 ·····························································································.233
10.2.4 進(jìn)行瞬態(tài)動(dòng)力學(xué)分析 ·················································································.233
10.2.5 添加材料庫 ·····························································································.234
10.2.6 劃分網(wǎng)格 ································································································.234
10.2.7 施加約束 ································································································.235
10.2.8 結(jié)果后處理 ·····························································································.237
10.2.9 保存與退出 ·····························································································.239
10.3 實(shí)例2——震動(dòng)分析 ····························································································.239
10.3.1 問題描述 ································································································.239
10.3.2 創(chuàng)建分析項(xiàng)目 ··························································································.239
10.3.3 導(dǎo)入幾何體 ·····························································································.240
10.3.4 進(jìn)行模態(tài)分析 ··························································································.240
10.3.5 劃分網(wǎng)格 ································································································.241
10.3.6 施加約束 ································································································.242
10.3.7 結(jié)果后處理（1） ······················································································.243
10.3.8 進(jìn)行瞬態(tài)動(dòng)力學(xué)分析 ·················································································.244
10.3.9 添加動(dòng)態(tài)力載荷 ·······················································································.245
10.3.10 結(jié)果后處理（2） ····················································································.247
10.3.11 保存與退出 ····························································································.248
10.4 本章小結(jié) ·········································································································.248
第3 篇
第11 章 接觸分析 ········································································································.249
11.1 接觸分析概述 ···································································································.250
11.2 實(shí)例——鋁合金板孔受力分析 ···············································································.251
11.2.1 問題描述 ································································································.252
11.2.2 創(chuàng)建分析項(xiàng)目 ··························································································.252
11.2.3 創(chuàng)建幾何體 ·····························································································.252
11.2.4 添加材料庫 ·····························································································.254
11.2.5 添加模型材料屬性 ····················································································.255
11.2.6 創(chuàng)建接觸 ································································································.255
11.2.7 劃分網(wǎng)格 ································································································.255
11.2.8 施加載荷與約束 ·······················································································.257
11.2.9 結(jié)果后處理 ·····························································································.258
11.2.10 保存與退出 ····························································································.259
11.3 本章小結(jié) ·········································································································.259
第12 章 顯式動(dòng)力學(xué)分析 ······························································································.260
12.1 顯式動(dòng)力學(xué)分析概述 ··························································································.261
12.2 實(shí)例1——鋼球撞擊金屬網(wǎng)分析 ·············································································.262
12.2.1 問題描述 ································································································.262
12.2.2 創(chuàng)建分析項(xiàng)目A ·······················································································.262
12.2.3 啟動(dòng)Workbench LS-DYNA 軟件，創(chuàng)建分析項(xiàng)目B ···········································.263
12.2.4 材料選擇 ································································································.263
12.2.5 材料賦予 ································································································.264
12.2.6 分析前處理 ·····························································································.265
12.2.7 施加載荷 ································································································.265
12.2.8 結(jié)果后處理 ·····························································································.267
12.2.9 保存與退出 ·····························································································.270
12.3 實(shí)例2——金屬塊穿透鋼板分析 ·············································································.270
12.3.1 問題描述 ································································································.270
12.3.2 創(chuàng)建分析項(xiàng)目 ··························································································.270
12.3.3 導(dǎo)入幾何體 ·····························································································.271
12.3.4 添加材料庫 ·····························································································.271
12.3.5 添加材料 ································································································.272
12.3.6 顯式動(dòng)力學(xué)分析前處理 ··············································································.273
12.3.7 施加約束 ································································································.274
12.3.8 結(jié)果后處理 ·····························································································.276
12.3.9 啟動(dòng)Autodyn 軟件 ····················································································.277
12.3.10 保存與退出 ····························································································.279
12.4 本章小結(jié) ·········································································································.279
第13 章 線性屈曲分析 ··································································································.280
13.1 線性屈曲分析概述 ·····························································································.281
13.1.1 線性屈曲分析簡介 ····················································································.281
13.1.2 線性屈曲分析方程 ····················································································.281
13.2 實(shí)例1——鋼管線性屈曲分析 ················································································.281
13.2.1 問題描述 ································································································.282
13.2.2 創(chuàng)建分析項(xiàng)目 ··························································································.282
13.2.3 創(chuàng)建幾何體 ·····························································································.282
13.2.4 設(shè)置材料 ································································································.284
13.2.5 添加模型材料屬性 ····················································································.284
13.2.6 劃分網(wǎng)格 ································································································.284
13.2.7 施加載荷與約束（1） ················································································.286
13.2.8 結(jié)果后處理 ·····························································································.287
13.2.9 進(jìn)行線性屈曲分析 ····················································································.289
13.2.10 施加載荷與約束（2） ··············································································.289
13.2.11 結(jié)果后處理 ····························································································.290
13.2.12 保存與退出 ····························································································.293
13.3 實(shí)例2——金屬容器線性屈曲分析 ··········································································.293
13.3.1 問題描述 ································································································.293
13.3.2 創(chuàng)建分析項(xiàng)目 ··························································································.293
13.3.3 創(chuàng)建幾何體 ·····························································································.294
13.3.4 設(shè)置材料 ································································································.296
13.3.5 添加模型材料屬性 ····················································································.296
13.3.6 劃分網(wǎng)格 ································································································.296
13.3.7 施加載荷與約束（1） ················································································.297
13.3.8 結(jié)果后處理 ·····························································································.299
13.3.9 進(jìn)行線性屈曲分析 ····················································································.300
13.3.10 施加載荷與約束（2） ··············································································.300
13.3.11 結(jié)果后處理 ····························································································.301
13.3.12 保存與退出 ····························································································.303
13.4 實(shí)例3——梁結(jié)構(gòu)線性屈曲分析 ·············································································.303
13.4.1 問題描述 ································································································.304
13.4.2 創(chuàng)建分析項(xiàng)目 ··························································································.304
13.4.3 導(dǎo)入幾何體 ·····························································································.304
13.4.4 進(jìn)行靜力學(xué)分析 ·······················································································.305
13.4.5 添加材料庫 ·····························································································.305
13.4.6 接觸設(shè)置 ································································································.305
13.4.7 劃分網(wǎng)格 ································································································.306
13.4.8 施加約束與結(jié)果后處理 ··············································································.307
13.4.9 進(jìn)行線性屈曲分析 ····················································································.308
13.4.10 結(jié)果后處理 ····························································································.309
13.4.11 保存與退出 ····························································································.311
13.5 本章小結(jié) ·········································································································.312
第14 章 疲勞分析 ········································································································.313
14.1 疲勞分析概述 ···································································································.314
14.2 疲勞分析方法 ···································································································.315
14.2.1 疲勞程序 ································································································.315
14.2.2 應(yīng)力-壽命曲線·························································································.316
14.2.3 疲勞材料特性 ··························································································.317
14.3 實(shí)例1——座椅疲勞分析 ······················································································.317
14.3.1 問題描述 ································································································.317
14.3.2 創(chuàng)建分析項(xiàng)目 ··························································································.318
14.3.3 導(dǎo)入幾何體 ·····························································································.318
14.3.4 添加材料庫 ·····························································································.319
14.3.5 添加模型材料屬性 ····················································································.320
14.3.6 劃分網(wǎng)格 ································································································.321
14.3.7 施加載荷與約束 ·······················································································.321
14.3.8 結(jié)果后處理 ·····························································································.323
14.3.9 保存文件 ································································································.325
14.3.10 添加疲勞分析命令 ···················································································.325
14.3.11 保存與退出 ····························································································.327
14.4 實(shí)例2——板模型疲勞分析 ···················································································.328
14.4.1 問題描述 ································································································.329
14.4.2 創(chuàng)建分析項(xiàng)目 ··························································································.329
14.4.3 導(dǎo)入幾何體 ·····························································································.329
14.4.4 添加材料庫 ·····························································································.330
14.4.5 添加模型材料屬性 ····················································································.330
14.4.6 劃分網(wǎng)格 ································································································.330
14.4.7 施加載荷與約束 ·······················································································.331
14.4.8 結(jié)果后處理 ·····························································································.333
14.4.9 保存文件 ································································································.333
14.4.10 添加疲勞分析命令 ···················································································.333
14.4.11 保存與退出 ····························································································.335
14.5 本章小結(jié) ·········································································································.335
第15 章 壓電分析 ········································································································.336
15.1 壓電材料的基本知識(shí) ··························································································.337
15.1.1 壓電材料的概念 ·······················································································.337
15.1.2 壓電材料的主要特性 ·················································································.337
15.1.3 壓電材料的分類 ·······················································································.338
15.1.4 壓電材料的應(yīng)用 ·······················································································.340
15.1.5 壓電復(fù)合材料的有限元分析方法 ··································································.342
15.1.6 基本耦合公式 ··························································································.342
15.1.7 壓電材料的主要參數(shù) ·················································································.342
15.2 壓電分析模塊的安裝 ··························································································.345
15.3 實(shí)例1——正壓電分析 ·························································································.347
15.3.1 問題描述 ································································································.347
15.3.2 創(chuàng)建分析項(xiàng)目 ··························································································.347
15.3.3 導(dǎo)入幾何體 ·····························································································.348
15.3.4 添加材料庫 ·····························································································.348
15.3.5 創(chuàng)建靜態(tài)分析項(xiàng)目 ····················································································.348
15.3.6 網(wǎng)格與屬性 ·····························································································.349
15.3.7 施加載荷與約束 ·······················································································.350
15.3.8 結(jié)果后處理 ·····························································································.351
15.3.9 保存與退出 ·····························································································.352
15.4 實(shí)例2——逆壓電分析 ·························································································.352
15.4.1 問題描述 ································································································.353
15.4.2 創(chuàng)建分析項(xiàng)目 ··························································································.353
15.4.3 導(dǎo)入幾何體 ·····························································································.353
15.4.4 添加材料庫 ·····························································································.354
15.4.5 創(chuàng)建靜態(tài)分析項(xiàng)目 ····················································································.354
15.4.6 網(wǎng)格與屬性 ·····························································································.354
15.4.7 施加載荷與約束 ·······················································································.356
15.4.8 結(jié)果后處理 ·····························································································.357
15.4.9 保存與退出 ·····························································································.359
15.5 本章小結(jié) ·········································································································.359
第4 篇
第16 章 穩(wěn)態(tài)熱力學(xué)分析 ······························································································.360
16.1 穩(wěn)態(tài)熱力學(xué)分析概述 ··························································································.361
16.1.1 熱力學(xué)分析目的 ·······················································································.361
16.1.2 穩(wěn)態(tài)熱力學(xué)分析方程 ·················································································.361
16.1.3 基本熱傳遞方式 ·······················································································.361
16.2 實(shí)例1——熱傳導(dǎo)分析 ·························································································.362
16.2.1 問題描述 ································································································.362
16.2.2 創(chuàng)建分析項(xiàng)目A ·······················································································.362
16.2.3 導(dǎo)入幾何體 ·····························································································.363
16.2.4 創(chuàng)建分析項(xiàng)目B ·······················································································.363
16.2.5 添加材料庫 ·····························································································.364
16.2.6 添加模型材料屬性 ····················································································.365
16.2.7 劃分網(wǎng)格 ································································································.366
16.2.8 施加載荷與約束 ·······················································································.367
16.2.9 結(jié)果后處理 ·····························································································.368
16.2.10 保存與退出 ····························································································.370
16.3 實(shí)例2——熱對(duì)流分析 ·························································································.370
16.3.1 問題描述 ································································································.370
16.3.2 創(chuàng)建分析項(xiàng)目A ·······················································································.370
16.3.3 導(dǎo)入幾何體 ·····························································································.370
16.3.4 創(chuàng)建分析項(xiàng)目B ·······················································································.371
16.3.5 添加材料庫 ·····························································································.372
16.3.6 添加模型材料屬性 ····················································································.373
16.3.7 劃分網(wǎng)格 ································································································.374
16.3.8 施加載荷與約束 ·······················································································.374
16.3.9 結(jié)果后處理 ·····························································································.376
16.3.10 保存與退出 ····························································································.377
16.3.11 讀者演練 ·······························································································.377
16.4 實(shí)例3——熱輻射分析 ·························································································.378
16.4.1 實(shí)例介紹 ································································································.378
16.4.2 創(chuàng)建分析項(xiàng)目 ··························································································.378
16.4.3 添加模型材料屬性 ····················································································.378
16.4.4 創(chuàng)建幾何體 ·····························································································.379
16.4.5 劃分網(wǎng)格 ································································································.379
16.4.6 定義載荷 ································································································.381
16.4.7 結(jié)果后處理 ·····························································································.383
16.4.8 保存并退出 ·····························································································.384
16.5 本章小結(jié) ·········································································································.384
第17 章 瞬態(tài)熱力學(xué)分析 ······························································································.385
17.1 瞬態(tài)熱力學(xué)分析簡介 ··························································································.386
17.2 實(shí)例1——散熱片瞬態(tài)熱力學(xué)分析 ··········································································.386
17.2.1 問題描述 ································································································.386
17.2.2 創(chuàng)建分析項(xiàng)目 ··························································································.386
17.2.3 創(chuàng)建瞬態(tài)熱分析項(xiàng)目 ·················································································.387
17.2.4 施加載荷與約束 ·······················································································.387
17.2.5 結(jié)果后處理 ·····························································································.387
17.2.6 保存與退出 ·····························································································.388
17.3 實(shí)例2——高溫鋼塊瞬態(tài)熱力學(xué)分析 ·······································································.388
17.3.1 問題描述 ································································································.388
17.3.2 創(chuàng)建分析項(xiàng)目 ··························································································.389
17.3.3 定義材料 ································································································.389
17.3.4 施加載荷與約束 ·······················································································.390
17.3.5 結(jié)果后處理 ·····························································································.392
17.3.6 保存與退出 ·····························································································.393
17.4 本章小結(jié) ·········································································································.393
第18 章 計(jì)算流體動(dòng)力學(xué)分析 ························································································.394
18.1 計(jì)算流體動(dòng)力學(xué)概述 ··························································································.395
18.1.1 CFD 簡介 ································································································.395
18.1.2 CFD 基礎(chǔ) ································································································.398
18.2 實(shí)例1——CFX 流場分析 ·····················································································.405
18.2.1 問題描述 ································································································.406
18.2.2 創(chuàng)建分析項(xiàng)目 ··························································································.406
18.2.3 導(dǎo)入幾何體 ·····························································································.406
18.2.4 前處理設(shè)置 ·····························································································.407
18.2.5 初始化及求解控制 ····················································································.412
18.2.6 流體計(jì)算 ································································································.414
18.2.7 結(jié)果后處理 ·····························································································.415
18.3 實(shí)例2——Fluent 流場分析 ···················································································.417
18.3.1 問題描述 ································································································.418
18.3.2 啟動(dòng)平臺(tái)與保存文件 ·················································································.418
18.3.3 導(dǎo)入幾何體 ·····························································································.418
18.3.4 網(wǎng)格劃分 ································································································.419
18.3.5 進(jìn)入Fluent 平臺(tái) ·······················································································.420
18.3.6 選擇材料 ································································································.423
18.3.7 設(shè)置幾何體屬性 ·······················································································.423
18.3.8 設(shè)置流體邊界條件 ····················································································.424
18.3.9 設(shè)置求解器 ·····························································································.425
18.3.10 結(jié)果后處理 ····························································································.427
18.3.11 Post 后處理 ····························································································.428
18.4 實(shí)例3——Icepak 流場分析 ···················································································.431
18.4.1 問題描述 ································································································.434
18.4.2 啟動(dòng)平臺(tái)與保存文件 ·················································································.434
18.4.3 導(dǎo)入幾何體 ·····························································································.434
18.4.4 添加Icepak 模塊 ·······················································································.435
18.4.5 設(shè)置熱源 ································································································.438
18.4.6 求解分析 ································································································.439
18.4.7 Post 后處理 ·····························································································.441
18.4.8 靜力學(xué)分析 ·····························································································.443
18.5 本章小結(jié) ·········································································································.445
第19 章 電場分析 ········································································································.446
19.1 電磁場基本理論 ································································································.447
19.1.1 麥克斯韋方程組 ·······················································································.447
19.1.2 一般形式的電磁場偏微分方程 ·····································································.448
19.1.3 電磁場中的常見邊界條件 ···········································································.449
19.1.4 ANSYS Workbench 平臺(tái)電磁場分析 ······························································.450
19.1.5 Ansoft 系列軟件電磁場分析 ········································································.450
19.2 實(shí)例1——平行極板電容器的電容值計(jì)算 ·································································.451
19.2.1 創(chuàng)建分析項(xiàng)目 ··························································································.451
19.2.2 創(chuàng)建幾何體 ·····························································································.452
19.2.3 創(chuàng)建求解器 ·····························································································.453
19.2.4 添加材料 ································································································.453
19.2.5 網(wǎng)格劃分 ································································································.453
19.2.6 求解計(jì)算 ································································································.454
19.2.7 手動(dòng)計(jì)算電容值 ·······················································································.455
19.2.8 保存與退出 ·····························································································.456
19.3 實(shí)例2——并聯(lián)電容器的電容值計(jì)算 ·······································································.456
19.3.1 創(chuàng)建分析項(xiàng)目 ··························································································.456
19.3.2 創(chuàng)建幾何體 ·····························································································.457
19.3.3 創(chuàng)建求解器 ·····························································································.458
19.3.4 添加材料 ································································································.459
19.3.5 網(wǎng)格劃分 ································································································.459
19.3.6 求解計(jì)算 ································································································.461
19.3.7 手動(dòng)計(jì)算電容值 ·······················································································.461
19.3.8 保存與退出 ·····························································································.462
19.4 本章小結(jié) ·········································································································.462
第20 章 磁場分析 ········································································································.463
20.1 電磁場基本理論 ································································································.464
20.2 靜態(tài)磁場分析實(shí)例1——導(dǎo)體磁場計(jì)算 ····································································.464
20.2.1 創(chuàng)建分析項(xiàng)目 ··························································································.465
20.2.2 創(chuàng)建幾何體 ·····························································································.465
20.2.3 創(chuàng)建求解器 ·····························································································.466
20.2.4 添加材料 ································································································.466
20.2.5 邊界條件與激勵(lì) ·······················································································.467
20.2.6 求解計(jì)算 ································································································.468
20.2.7 圖表顯示 ································································································.470
20.2.8 保存與退出 ·····························································································.471
20.3 靜態(tài)磁場分析實(shí)例2——電感計(jì)算 ··········································································.471
20.3.1 創(chuàng)建分析項(xiàng)目 ··························································································.471
20.3.2 創(chuàng)建幾何體 ·····························································································.472
20.3.3 創(chuàng)建求解器 ·····························································································.472
20.3.4 添加材料 ································································································.473
20.3.5 網(wǎng)格劃分 ································································································.474
20.3.6 求解計(jì)算 ································································································.475
20.3.7 計(jì)算互感系數(shù) ··························································································.476
20.3.8 保存與退出 ·····························································································.477
20.4 渦流磁場分析實(shí)例——金屬塊渦流損耗 ···································································.477
20.4.1 創(chuàng)建分析項(xiàng)目 ··························································································.477
20.4.2 導(dǎo)入幾何體 ·····························································································.478
20.4.3 創(chuàng)建求解器 ·····························································································.478
20.4.4 添加材料 ································································································.479
20.4.5 邊界條件設(shè)定 ··························································································.479
20.4.6 求解計(jì)算 ································································································.480
20.4.7 計(jì)算渦流損耗 ··························································································.482
20.4.8 損耗計(jì)算應(yīng)用 ··························································································.483
20.4.9 保存與退出 ·····························································································.483
20.5 本章小結(jié) ·········································································································.484