《ICEM CFD简明教程（流沙经典）》pdf

【实例截图】

【核心代码】

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目 录
前言 ------------------------------------------------------------------------------------------------------------- I
1 ICEM CFD 概述------------------------------------------------------------------------------------------------- 1
1.1 ICEM CFD 简介 -------------------------------------------------------------------------------------------------------- 1
1.2 总体工作流程 -------------------------------------------------------------------------------------------------------- 1
1.2.1 ICEM CFD 的文件类型----------------------------------------------------------------------------------------- 2
1.2.2 创建或操作几何 ----------------------------------------------------------------------------------------------- 2
1.2.3 网格创建--------------------------------------------------------------------------------------------------------- 3
1.2.4 检查及编辑网格 ----------------------------------------------------------------------------------------------- 4
1.3 ICEM CFD 的用户界面----------------------------------------------------------------------------------------------- 4
1.4 Blocking 基础 ---------------------------------------------------------------------------------------------------------- 5
2 二维平面模型结构网格划分---------------------------------------------------------------------------------- 6
2.1 学习目的---------------------------------------------------------------------------------------------------------------- 6
2.2 几何模型及分块策略 ---------------------------------------------------------------------------------------------- 6
2.3 边界命名--------------------------------------------------------------------------------------------------------------- 6
2.4 自顶向下划分方式-------------------------------------------------------------------------------------------------- 6
2.4.1 创建 2D 块------------------------------------------------------------------------------------------------------- 7
2.4.2 块的切割--------------------------------------------------------------------------------------------------------- 7
2.4.3 块与几何的关联 ----------------------------------------------------------------------------------------------- 8
2.4.4 设定网格尺寸 -------------------------------------------------------------------------------------------------- 9
2.4.5 预览网格------------------------------------------------------------------------------------------------------- 10
2.5 自底向上划分方式------------------------------------------------------------------------------------------------ 10
2.5.1 生成原始块---------------------------------------------------------------------------------------------------- 10
2.5.2 生成其它块---------------------------------------------------------------------------------------------------- 11
2.5.3 关联及网格尺寸设定--------------------------------------------------------------------------------------- 12
2.6 网格质量检查 ------------------------------------------------------------------------------------------------------ 12
2.7 网格的生成---------------------------------------------------------------------------------------------------------- 13
2.8 网格输出------------------------------------------------------------------------------------------------------------- 14
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3 三维模型结构网格划分---------------------------------------------------------------------------------------15
3.1 学习目的------------------------------------------------------------------------------------------------------------- 15
3.2 几何模型------------------------------------------------------------------------------------------------------------- 15
3.3 生成块 ---------------------------------------------------------------------------------------------------------------- 16
3.4 块的切割------------------------------------------------------------------------------------------------------------- 17
3.5 块与几何的关联--------------------------------------------------------------------------------------------------- 17
3.6 圆孔的处理---------------------------------------------------------------------------------------------------------- 18
3.7 网格尺寸及质量检查 -------------------------------------------------------------------------------------------- 19
4 曲面网格划分---------------------------------------------------------------------------------------------------20
4.1 目的 ------------------------------------------------------------------------------------------------------------------- 20
4.2 几何模型------------------------------------------------------------------------------------------------------------- 20
4.3 分块策略------------------------------------------------------------------------------------------------------------- 20
4.4 建立块 ---------------------------------------------------------------------------------------------------------------- 21
4.5 块的分割及关联--------------------------------------------------------------------------------------------------- 21
4.6 块的删除------------------------------------------------------------------------------------------------------------- 22
4.7 设定网格尺寸及预览网格-------------------------------------------------------------------------------------- 22
4.8 另一种方式---------------------------------------------------------------------------------------------------------- 23
5 三角形的处理方式---------------------------------------------------------------------------------------------24
5.1 三角形 Y 型剖分方案--------------------------------------------------------------------------------------------- 24
5.2 三棱柱 Y 型剖分方案--------------------------------------------------------------------------------------------- 26
5.3 三角形几何体的扩展 -------------------------------------------------------------------------------------------- 28
5.4 综合实例解析 ------------------------------------------------------------------------------------------------------ 29
5.5 思考 ------------------------------------------------------------------------------------------------------------------- 31
6 O 型块的特殊应用----------------------------------------------------------------------------------------------32
6.1 圆弧几何遇到的问题 -------------------------------------------------------------------------------------------- 32
6.1.1 网格映射------------------------------------------------------------------------------------------------------- 32
6.1.2 圆弧的映射---------------------------------------------------------------------------------------------------- 33
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6.1.3 铜钱的启示---------------------------------------------------------------------------------------------------- 33
6.2 O 型块及其变型 ---------------------------------------------------------------------------------------------------- 34
6.3 O 型块剖分实例 ---------------------------------------------------------------------------------------------------- 34
6.3.1 圆柱相贯网格划分------------------------------------------------------------------------------------------ 34
6.3.2 圆柱沟槽网格划分------------------------------------------------------------------------------------------ 37
7 Edge 参数 --------------------------------------------------------------------------------------------------------39
7.1 参数设置对话框及各参数含义 ------------------------------------------------------------------------------- 39
7.2 节点分布律---------------------------------------------------------------------------------------------------------- 40
7.3 边界层网格 ---------------------------------------------------------------------------------------------------------- 42
7.3.1 边界层网格的一些特征 ----------------------------------------------------------------------------------- 43
7.4 实例训练------------------------------------------------------------------------------------------------------------- 43
7.4.1 分叉管网格划分 --------------------------------------------------------------------------------------------- 43
7.4.2 外流场实例---------------------------------------------------------------------------------------------------- 48
8 块的创建---------------------------------------------------------------------------------------------------------52
8.1 自顶向下块的构建------------------------------------------------------------------------------------------------ 52
8.1.1 初始块的创建 ------------------------------------------------------------------------------------------------ 52
8.1.2 块的切割------------------------------------------------------------------------------------------------------- 53
8.1.3 顶点合并------------------------------------------------------------------------------------------------------- 55
8.2 自底向上块的构建------------------------------------------------------------------------------------------------ 56
8.2.1 由顶点形成块 ------------------------------------------------------------------------------------------------ 56
8.2.2 Face 的拉伸 ---------------------------------------------------------------------------------------------------- 58
8.2.3 由 2D 块形成 3D 块----------------------------------------------------------------------------------------- 59
8.3 实例分析------------------------------------------------------------------------------------------------------------- 60
8.3.1 实例 1：弹簧 ------------------------------------------------------------------------------------------------- 60
8.3.2 实例 2：三棱柱---------------------------------------------------------------------------------------------- 63
9 块操作的应用---------------------------------------------------------------------------------------------------67
9.1 块的编辑------------------------------------------------------------------------------------------------------------- 67
9.1.1 块的合并------------------------------------------------------------------------------------------------------- 67
9.1.2 O 型块修改----------------------------------------------------------------------------------------------------- 67
9.1.3 块类型转换---------------------------------------------------------------------------------------------------- 68
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9.2 块的变换------------------------------------------------------------------------------------------------------------- 69
9.2.1 块的平移------------------------------------------------------------------------------------------------------- 70
9.2.2 块的旋转------------------------------------------------------------------------------------------------------- 70
9.2.3 块的镜像------------------------------------------------------------------------------------------------------- 71
9.2.4 块的缩放------------------------------------------------------------------------------------------------------- 71
9.2.5 复制周期块---------------------------------------------------------------------------------------------------- 71
9.3 实例分析------------------------------------------------------------------------------------------------------------- 71
9.3.1 实例 1：法兰盘---------------------------------------------------------------------------------------------- 71
9.3.2 实例 2：机架 ------------------------------------------------------------------------------------------------- 75
10 周期网格 -------------------------------------------------------------------------------------------------------81
10.1 ICEM CFD 中生成周期网格的一般步骤 -------------------------------------------------------------------- 81
10.2 ICEM CFD 中周期网格生成按钮解释 ----------------------------------------------------------------------- 81
10.3 实例分析 ----------------------------------------------------------------------------------------------------------- 82
10.3.1 实例 1：结构周期网格 ---------------------------------------------------------------------------------- 82
10.3.2 实例 2：非结构周期网格 ------------------------------------------------------------------------------- 87
11 几何创建及修改-----------------------------------------------------------------------------------------------89
11.1 基本几何创建----------------------------------------------------------------------------------------------------- 89
11.1.1 点的创建 ----------------------------------------------------------------------------------------------------- 89
11.1.2 线的创建 ----------------------------------------------------------------------------------------------------- 91
11.1.3 面的创建 ----------------------------------------------------------------------------------------------------- 93
11.2 几何修改 ----------------------------------------------------------------------------------------------------------- 93
11.2.1 几何拓扑构建----------------------------------------------------------------------------------------------- 93
11.2.2 特征修补 ----------------------------------------------------------------------------------------------------- 93
12 构建辅助几何 ------------------------------------------------------------------------------------------------- 94
13 非结构网格划分 ----------------------------------------------------------------------------------------------95
13.1 非结构网格的一些概念---------------------------------------------------------------------------------------- 95
13.2 非结构网格划分一般流程 ------------------------------------------------------------------------------------ 95
13.3 ICEM CFD 划分非结构网格 ------------------------------------------------------------------------------------ 95
14 混合网格与多区域 -------------------------------------------------------------------------------------------96
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11.1 一些概念 ----------------------------------------------------------------------------------------------------------- 96
15 网格编辑 -------------------------------------------------------------------------------------------------------97
16 综合实例 -------------------------------------------------------------------------------------------------------98
16.1 实例 1：子弹外流场-------------------------------------------------------------------------------------------- 98
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