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TrueGrid和LS-DYNA動力學數值計算詳解（簡體書）
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目次
商品簡介
本書分為兩大部分，第壹部分詳細講解了通用參數化網格劃分工具 TrueGrid3.13 的使用方法和注意事項，包括 TrueGrid 的基本操作、常用命令詳解、建模范例和軟件接口等。書中給出了許多建模范例的命令流，建模過程簡潔明了，建立的模型網格質量很高。第二部分全面講解了通用動力學多物理場分析程序 LS-DYNA（版本 10.1）的入門基礎知識、侵徹計算、爆炸及其作用分析、裂紋擴展計算、熱學計
算、隱式分析、重啟動分析、流固耦合、SPH 方法、EFG 方法以及*新的 S-ALE、ICFD、CESE、SPG、Peridynamics、EM、DEM 等新算法，並結合工程應用給出了許多計算算例。對于每個精心準備的算例，詳細解釋了 TrueGrid 建模過程、相關LS-DYNA 關鍵字的含義和使用方法及注意事項。全部算例建模步驟簡明扼要，參數設置合理，計算結果準確可信。掃描封底二維碼可免費下載書中代碼。
本書適合理工科院校的大學教師、本科高年級學生和研究生作為有限元課程學習教材，也可以作為工程技術人員的力學分析和產品開發設計的參考手冊。通過本書的學習，讀者可大幅提高 TrueGrid 和 LS-DYNA 的使用水平及工程分析能力。
算、隱式分析、重啟動分析、流固耦合、SPH 方法、EFG 方法以及*新的 S-ALE、ICFD、CESE、SPG、Peridynamics、EM、DEM 等新算法，並結合工程應用給出了許多計算算例。對于每個精心準備的算例，詳細解釋了 TrueGrid 建模過程、相關LS-DYNA 關鍵字的含義和使用方法及注意事項。全部算例建模步驟簡明扼要，參數設置合理，計算結果準確可信。掃描封底二維碼可免費下載書中代碼。
本書適合理工科院校的大學教師、本科高年級學生和研究生作為有限元課程學習教材，也可以作為工程技術人員的力學分析和產品開發設計的參考手冊。通過本書的學習，讀者可大幅提高 TrueGrid 和 LS-DYNA 的使用水平及工程分析能力。
作者簡介
作者在總裝備部21基地技術部、北京理工國方軟件公司、安世亞太（北京）科技有限公司、北京航天長征飛行器研究所等單位工作多年，具有豐富的有限元分析經驗，並精通各種相關軟件。
目次
前言
第一部分 TrueGrid 軟件網格劃分指南
第 1 章 TrueGrid 基本操作······················ 1
1.1 TrueGrid 運行模式 ·························· 2
1.2 TrueGrid 設置 ·································· 3
1.3 TrueGrid 快速入門 ·························· 3
1.4 TrueGrid 基本概念 ························ 14
1.5 生成網格的初始命令 ···················· 16
1.6 TrueGrid 建模步驟 ························ 18
1.7 鼠標和鍵盤快捷鍵的功能 ············ 18
1.8 顯示命令 ······································· 19
1.9 投影和附著 ··································· 19
1.10 蝴蝶形網格劃分方法 ·················· 20
1.11 block 和 cylinder 命令練習 ········· 22
1.12 合並 ············································· 26
1.13 回退 ············································· 27
1.14 歷史窗口 ····································· 27
1.15 命令執行順序 ······························ 27
1.16 使用 TrueGrid 軟件的其他注意事項·················· 28
1.17 參考文獻 ····································· 29
第 2 章 TrueGrid 常用命令詳解 ············ 30
2.1 部件（PART）命令 ······················ 30
2.2 幾何命令 ······································· 51
2.3 合並命令 ······································· 73
2.4 全局命令 ······································· 82
2.5 輸出命令 ····································· 110
2.6 參考文獻 ····································· 112
第 3 章 TrueGrid 建模范例·················· 113
3.1 鋼殼結構水下爆炸模型 ·············· 113
3.2 炸藥自由場爆炸二維軸對稱模型 ·············································· 114
3.3 炸藥自由場爆炸三維 1/8 對稱模型 ·············································· 115
3.4 剛性彈體三維全模型 ·················· 116
3.5 裝藥彈體二維軸對稱模型 ·········· 118
3.6 裝藥彈體三維 1/4 對稱模型 ······· 119
3.7 二維軸對稱多層靶模型 ·············· 121
3.8 半無限靶三維 1/4 對稱模型 ······· 122
3.9 復合靶三維 1/2 對稱模型 ··········· 124
3.10 帶 20°傾斜角的靶標三維 1/2對稱模型 ···································· 125
3.11 帶中心孔的靶標三維1/2對稱模型 ············································· 129
3.12 射流侵徹二維軸對稱模型 ········ 129
3.13 爆炸成形彈丸三維 1/4 對稱模型 ············································ 131
3.14 破片戰斗部模型 ························ 132
3.15 鋼筋混凝土模型 ························ 136
3.16 SPH 模型 ··································· 139
3.17 遠場水下爆炸聲固耦合模型 ···· 139
3.17.1 球形水域模型 ·························· 140
3.17.2 橢球形水域模型 ······················· 141
3.18 行星齒輪模型 ···························· 144
3.19 自行車車輪模型 ························ 145
3.20 隨機塊石層模型 ························ 147
3.21 參考文獻 ···································· 148
第 4 章 TrueGrid 支持的分析軟件和軟件接口 ··································· 149
4.1 TrueGrid 軟件與 AUTODYN 軟件接口 ·············································· 149
4.2 TrueGrid 軟件與 LS-DYNA 軟件接口 ·············································· 149
4.3 TrueGrid 建模與 LS-DYNA 計算直通算例 ······································ 150
4.4 參考文獻 ······································ 161
第二部分 LS- -DYNA 動力學數值計算詳解
第 5 章 LS- -DYNA 軟件簡介 ··············· 162
5.1 LS-DYNA 基本功能 ·················· 162
5.2 LS-DYNA 最新發展 ·················· 167
5.3 LS-DYNA 資源網站 ·················· 172
5.4 參考文獻 ····································· 172
第 6 章 LS- -DYNA 入門基礎知識 ········ 173
6.1 單位制 ········································· 173
6.1.1 力學單位 ··································· 173
6.1.2 熱學單位 ··································· 173
6.1.3 電磁學單位 ······························· 174
6.2 LS-DYNA 關鍵字輸入數據
格式 ·············································· 175
6.3 LS-DYNA 主要關鍵字簡要
介紹 ·············································· 178
6.4 LS-DYNA 常用命令行語法 ······· 185
6.5 求解感應控制開關 ······················ 186
6.6 文件系統 ····································· 188
6.7 重啟動分析 ································· 189
6.8 單精度和雙精度 ·························· 190
6.9 隱式分析和顯式分析 ·················· 190
6.10 接觸 ··········································· 191
6.11 Lagrangian/Euler/ALE 算法 ······ 199
6.11.1 三類算法簡介 ·························· 199
6.11.2 Euler/ALE 算法常用關鍵字 ······· 200
6.11.3 PART 和 AMMG 的區別 ··········· 213
6.12 流固耦合算法 ···························· 213
6.13 關鍵字文件的分割和編輯 ········ 218
6.14 批處理運行 LS-DYNA ············· 219
6.15 參考文獻 ··································· 220
第 7 章 侵徹計算 ··································· 221
7.1 泰勒桿撞擊剛性墻計算 ·············· 221
7.2 彈體侵徹多層樓板計算 ·············· 225
7.3 楔形體入水二維計算 ·················· 243
7.4 參考文獻 ····································· 250
第 8 章 爆炸及其作用計算 ··················· 251
8.1 水中爆炸氣泡脈動一維計算 ······ 251
8.2 爆炸成形彈丸侵徹鋼板二維ALE 計算 ····································· 260
8.3 空中爆炸二維到三維映射計算 ·· 266
8.4 含鋁炸藥水下沖擊起爆二維計算 ·············································· 274
8.5 參考文獻 ······································ 285
第 9 章 裂紋擴展計算 ··························· 286
9.1 采用節點分離方法模擬鋼球撞擊鋁板 ······································ 287
9.2 用單元失效刪除和帶有損傷的本構模型方法模擬彈體侵徹混凝土 ·························· 290
9.3 用 SPH 方法和帶有損傷的本構
模型方法模擬水射流沖蝕煤層 ··· 296
9.4 鋼板裂紋擴展二維XFEM 計算 ··· 300
9.5 金屬切削 SPG 計算 ···················· 307
9.6 爆炸作用下玻璃破碎的近
場動力學計算 ······························ 314
9.7 參考文獻 ····································· 323
第 10 章 熱學計算 ································· 324
10.1 熱學計算基礎 ···························· 324
10.2 長桿瞬態熱傳導計算 ················ 327
10.3 厚板穩態對流計算 ···················· 331
10.4 空心柱體熱應力計算 ················ 335
10.5 厚板輻射傳熱計算 ···················· 340
10.6 水成冰相變計算 ························ 343
10.7 參考文獻 ···································· 346
第 11 章 隱式分析 ································· 347
11.1 隱式分析基礎 ···························· 347
11.2 簡支方板特征值分析 ················ 353
11.3 簡支方板受力振動計算 ············ 356
11.4 軸向加載薄壁殼體屈曲分析 ····· 361
11.5 金屬切削 EFG 計算 ·················· 365
11.6 參考文獻 ···································· 373
第 12 章 S- -ALE/ICFD/CESE/EM/
DEM 算法介紹 ······················· 374
12.1 水下爆炸 S-ALE 計算 ·············· 374
12.2 繞柱流 ICFD 計算 ····················· 384
12.3 激波管 CESE 計算 ···················· 388
12.4 渦電流 EM 計算 ························ 393
12.5 電磁軌道炮發射 EM 計算 ········ 397
12.6 料倉落料 DEM 計算 ················· 405
12.7 參考文獻 ···································· 410
第 13 章 重啟動分析 ····························· 411
13.1 小型重啟動分析 — SHPB
計算 ············································ 412
13.2 完全重啟動分析 — SHPB
連續打擊計算 ···························· 417
13.3 參考文獻 ···································· 421
第 14 章 若干計算問題的解決方法······ 422
14.1 求解算法的選擇 ························ 422
14.2 關于計算結果的準確性和可
信度的討論 ································ 422
14.3 LS-DYNA 求解時間的決定
因素 ············································ 423
14.4 減少 LS-DYNA 求解時間的
方法 ············································ 424
14.5 LS-DYNA 求解中途退出的
原因和解決辦法 ························· 424
14.6 沙漏出現的原因和控制方法 ···· 426
14.7 質量縮放 ···································· 427
14.8 六面體單元中的負體積現象 ···· 428
14.9 負滑移能（接觸能） ················ 429
14.10 參考文獻 ·································· 430
第 15 章 LS- -DYNA 前后處理軟件
LS- -PrePost 簡介 ···················· 431
15.1 界面布局 ···································· 432
15.2 鼠標與鍵盤操作 ························ 433
15.3 主菜單 ········································ 433
15.4 頁（Page） ································ 436
15.5 動畫控制 ··································· 442
15.6 渲染熱鍵 ··································· 443
15.7 通用選擇界面 ···························· 445
15.8 LS-PrePost 命令行和批處理 ···· 446
15.9 常用后處理操作舉例 ················ 447
15.10 參考文獻 ·································· 454
附錄 ·························································· 455
第一部分 TrueGrid 軟件網格劃分指南
第 1 章 TrueGrid 基本操作······················ 1
1.1 TrueGrid 運行模式 ·························· 2
1.2 TrueGrid 設置 ·································· 3
1.3 TrueGrid 快速入門 ·························· 3
1.4 TrueGrid 基本概念 ························ 14
1.5 生成網格的初始命令 ···················· 16
1.6 TrueGrid 建模步驟 ························ 18
1.7 鼠標和鍵盤快捷鍵的功能 ············ 18
1.8 顯示命令 ······································· 19
1.9 投影和附著 ··································· 19
1.10 蝴蝶形網格劃分方法 ·················· 20
1.11 block 和 cylinder 命令練習 ········· 22
1.12 合並 ············································· 26
1.13 回退 ············································· 27
1.14 歷史窗口 ····································· 27
1.15 命令執行順序 ······························ 27
1.16 使用 TrueGrid 軟件的其他注意事項·················· 28
1.17 參考文獻 ····································· 29
第 2 章 TrueGrid 常用命令詳解 ············ 30
2.1 部件（PART）命令 ······················ 30
2.2 幾何命令 ······································· 51
2.3 合並命令 ······································· 73
2.4 全局命令 ······································· 82
2.5 輸出命令 ····································· 110
2.6 參考文獻 ····································· 112
第 3 章 TrueGrid 建模范例·················· 113
3.1 鋼殼結構水下爆炸模型 ·············· 113
3.2 炸藥自由場爆炸二維軸對稱模型 ·············································· 114
3.3 炸藥自由場爆炸三維 1/8 對稱模型 ·············································· 115
3.4 剛性彈體三維全模型 ·················· 116
3.5 裝藥彈體二維軸對稱模型 ·········· 118
3.6 裝藥彈體三維 1/4 對稱模型 ······· 119
3.7 二維軸對稱多層靶模型 ·············· 121
3.8 半無限靶三維 1/4 對稱模型 ······· 122
3.9 復合靶三維 1/2 對稱模型 ··········· 124
3.10 帶 20°傾斜角的靶標三維 1/2對稱模型 ···································· 125
3.11 帶中心孔的靶標三維1/2對稱模型 ············································· 129
3.12 射流侵徹二維軸對稱模型 ········ 129
3.13 爆炸成形彈丸三維 1/4 對稱模型 ············································ 131
3.14 破片戰斗部模型 ························ 132
3.15 鋼筋混凝土模型 ························ 136
3.16 SPH 模型 ··································· 139
3.17 遠場水下爆炸聲固耦合模型 ···· 139
3.17.1 球形水域模型 ·························· 140
3.17.2 橢球形水域模型 ······················· 141
3.18 行星齒輪模型 ···························· 144
3.19 自行車車輪模型 ························ 145
3.20 隨機塊石層模型 ························ 147
3.21 參考文獻 ···································· 148
第 4 章 TrueGrid 支持的分析軟件和軟件接口 ··································· 149
4.1 TrueGrid 軟件與 AUTODYN 軟件接口 ·············································· 149
4.2 TrueGrid 軟件與 LS-DYNA 軟件接口 ·············································· 149
4.3 TrueGrid 建模與 LS-DYNA 計算直通算例 ······································ 150
4.4 參考文獻 ······································ 161
第二部分 LS- -DYNA 動力學數值計算詳解
第 5 章 LS- -DYNA 軟件簡介 ··············· 162
5.1 LS-DYNA 基本功能 ·················· 162
5.2 LS-DYNA 最新發展 ·················· 167
5.3 LS-DYNA 資源網站 ·················· 172
5.4 參考文獻 ····································· 172
第 6 章 LS- -DYNA 入門基礎知識 ········ 173
6.1 單位制 ········································· 173
6.1.1 力學單位 ··································· 173
6.1.2 熱學單位 ··································· 173
6.1.3 電磁學單位 ······························· 174
6.2 LS-DYNA 關鍵字輸入數據
格式 ·············································· 175
6.3 LS-DYNA 主要關鍵字簡要
介紹 ·············································· 178
6.4 LS-DYNA 常用命令行語法 ······· 185
6.5 求解感應控制開關 ······················ 186
6.6 文件系統 ····································· 188
6.7 重啟動分析 ································· 189
6.8 單精度和雙精度 ·························· 190
6.9 隱式分析和顯式分析 ·················· 190
6.10 接觸 ··········································· 191
6.11 Lagrangian/Euler/ALE 算法 ······ 199
6.11.1 三類算法簡介 ·························· 199
6.11.2 Euler/ALE 算法常用關鍵字 ······· 200
6.11.3 PART 和 AMMG 的區別 ··········· 213
6.12 流固耦合算法 ···························· 213
6.13 關鍵字文件的分割和編輯 ········ 218
6.14 批處理運行 LS-DYNA ············· 219
6.15 參考文獻 ··································· 220
第 7 章 侵徹計算 ··································· 221
7.1 泰勒桿撞擊剛性墻計算 ·············· 221
7.2 彈體侵徹多層樓板計算 ·············· 225
7.3 楔形體入水二維計算 ·················· 243
7.4 參考文獻 ····································· 250
第 8 章 爆炸及其作用計算 ··················· 251
8.1 水中爆炸氣泡脈動一維計算 ······ 251
8.2 爆炸成形彈丸侵徹鋼板二維ALE 計算 ····································· 260
8.3 空中爆炸二維到三維映射計算 ·· 266
8.4 含鋁炸藥水下沖擊起爆二維計算 ·············································· 274
8.5 參考文獻 ······································ 285
第 9 章 裂紋擴展計算 ··························· 286
9.1 采用節點分離方法模擬鋼球撞擊鋁板 ······································ 287
9.2 用單元失效刪除和帶有損傷的本構模型方法模擬彈體侵徹混凝土 ·························· 290
9.3 用 SPH 方法和帶有損傷的本構
模型方法模擬水射流沖蝕煤層 ··· 296
9.4 鋼板裂紋擴展二維XFEM 計算 ··· 300
9.5 金屬切削 SPG 計算 ···················· 307
9.6 爆炸作用下玻璃破碎的近
場動力學計算 ······························ 314
9.7 參考文獻 ····································· 323
第 10 章 熱學計算 ································· 324
10.1 熱學計算基礎 ···························· 324
10.2 長桿瞬態熱傳導計算 ················ 327
10.3 厚板穩態對流計算 ···················· 331
10.4 空心柱體熱應力計算 ················ 335
10.5 厚板輻射傳熱計算 ···················· 340
10.6 水成冰相變計算 ························ 343
10.7 參考文獻 ···································· 346
第 11 章 隱式分析 ································· 347
11.1 隱式分析基礎 ···························· 347
11.2 簡支方板特征值分析 ················ 353
11.3 簡支方板受力振動計算 ············ 356
11.4 軸向加載薄壁殼體屈曲分析 ····· 361
11.5 金屬切削 EFG 計算 ·················· 365
11.6 參考文獻 ···································· 373
第 12 章 S- -ALE/ICFD/CESE/EM/
DEM 算法介紹 ······················· 374
12.1 水下爆炸 S-ALE 計算 ·············· 374
12.2 繞柱流 ICFD 計算 ····················· 384
12.3 激波管 CESE 計算 ···················· 388
12.4 渦電流 EM 計算 ························ 393
12.5 電磁軌道炮發射 EM 計算 ········ 397
12.6 料倉落料 DEM 計算 ················· 405
12.7 參考文獻 ···································· 410
第 13 章 重啟動分析 ····························· 411
13.1 小型重啟動分析 — SHPB
計算 ············································ 412
13.2 完全重啟動分析 — SHPB
連續打擊計算 ···························· 417
13.3 參考文獻 ···································· 421
第 14 章 若干計算問題的解決方法······ 422
14.1 求解算法的選擇 ························ 422
14.2 關于計算結果的準確性和可
信度的討論 ································ 422
14.3 LS-DYNA 求解時間的決定
因素 ············································ 423
14.4 減少 LS-DYNA 求解時間的
方法 ············································ 424
14.5 LS-DYNA 求解中途退出的
原因和解決辦法 ························· 424
14.6 沙漏出現的原因和控制方法 ···· 426
14.7 質量縮放 ···································· 427
14.8 六面體單元中的負體積現象 ···· 428
14.9 負滑移能（接觸能） ················ 429
14.10 參考文獻 ·································· 430
第 15 章 LS- -DYNA 前后處理軟件
LS- -PrePost 簡介 ···················· 431
15.1 界面布局 ···································· 432
15.2 鼠標與鍵盤操作 ························ 433
15.3 主菜單 ········································ 433
15.4 頁（Page） ································ 436
15.5 動畫控制 ··································· 442
15.6 渲染熱鍵 ··································· 443
15.7 通用選擇界面 ···························· 445
15.8 LS-PrePost 命令行和批處理 ···· 446
15.9 常用后處理操作舉例 ················ 447
15.10 參考文獻 ·································· 454
附錄 ·························································· 455
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