ICEM CFD实例教程.pdf

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【核心代码】

ICEM	CFD 实例教程
I	
目录
前言	.........................................................................................................................................................................1
1	ICEM	CFD 概述	.........................................................................................................................................................2
1.1	ICEM	CFD 简介	............................................................................................................................................2
1.2	 总体工作流程	.............................................................................................................................................2
1.3	ICEM	CFD 的用户界面	.............................................................................................................................5
1.4	Blocking 基础	...............................................................................................................................................6
2	 二维平面模型结构网格划分	.............................................................................................................................7
2.1 学习目的	........................................................................................................................................................7
2.2	 几何模型及分块策略	...............................................................................................................................7
2.3	 边界命名	.......................................................................................................................................................7
2.4	 自顶向下划分方式	...................................................................................................................................7
2.5	 自底向上划分方式	................................................................................................................................	11
2.6	 网格质量检查	..........................................................................................................................................	13
2.7	 网格的生成	...............................................................................................................................................	14
2.8	 网格输出	....................................................................................................................................................	15
3	 三维模型结构网格划分	....................................................................................................................................	16
3.1	 学习目的	....................................................................................................................................................	16
3.2	 几何模型	....................................................................................................................................................	16
3.3	 生成块	.........................................................................................................................................................	17
3.4	 块的切割	....................................................................................................................................................	18
3.5	 块与几何的关联	.....................................................................................................................................	18
3.6	 圆孔的处理	...............................................................................................................................................	19
3.7	 网格尺寸及质量检查	............................................................................................................................	20
4	 曲面网格划分	........................................................................................................................................................	21
4.1	 目的	..............................................................................................................................................................	21
4.2	 几何模型	....................................................................................................................................................	21
4.3	 分块策略	....................................................................................................................................................	21
4.4	 建立块	.........................................................................................................................................................	22
4.5	 块的分割及关联	.....................................................................................................................................	22
4.6	 块的删除	....................................................................................................................................................	23
4.7	 设定网格尺寸及预览网格	..................................................................................................................	23
4.8	 另一种方式	...............................................................................................................................................	24
5	 三角形的处理方式	..............................................................................................................................................	25
5.1	 三角形 Y 型剖分方案	...........................................................................................................................	25
II	
5.2	 三棱柱 Y 型剖分方案	...........................................................................................................................	27
5.3	 三角形几何体的扩展	............................................................................................................................	29
5.4	 综合实例解析	..........................................................................................................................................	30
5.5	 思考	..............................................................................................................................................................	32
6	O 型块的特殊应用	................................................................................................................................................	33
6.1	 圆弧几何遇到的问题	............................................................................................................................	33
6.2	O 型块及其变型	.......................................................................................................................................	35
6.3	O 型块剖分实例	.......................................................................................................................................	35
7	Edge 参数	.................................................................................................................................................................	40
7.1	 参数设置对话框及各参数含义	........................................................................................................	40
7.2	 节点分布律	...............................................................................................................................................	41
7.3 边界层网格	................................................................................................................................................	43
7.4	 实例训练	....................................................................................................................................................	44
8	 块的创建	.................................................................................................................................................................	45
8.1	 自顶向下块的构建	................................................................................................................................	45
8.2	 自底向上块的构建	................................................................................................................................	49
8.3	 实例分析	....................................................................................................................................................	53
9	 块操作的应用	........................................................................................................................................................	60
9.1	 块的编辑	....................................................................................................................................................	60
9.2	 块的变换	....................................................................................................................................................	62
9.3	 实例分析	....................................................................................................................................................	64
10	 周期网格	...............................................................................................................................................................	69
11	 多域网格划分	.....................................................................................................................................................	74
12	 几何创建及修改	................................................................................................................................................	71
13	 构建辅助几何	.....................................................................................................................................................	72
14	 非结构网格划分	................................................................................................................................................	73
15	 网格编辑	...............................................................................................................................................................	75
16	 综合实例	....................................................................................................................................................	76