I-DEAS非线性有限元分析技术指南.pdf

zayssb8 · 发表于 2008-8-20 21:23:44

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I-DEAS非线性有限元分析技术指南.pdf

zayssb8 · 发表于 2008-8-28 10:59:55

I-DEAS 非线性有限元分析技术指南
美国通力（UFC）公司
北理工车辆与交通工程学院计算机应用与仿真中心
2001 年8 月

目录
第1 章非线性静力分析概述..................................................................................4
1.1 I-DEAS 非线性分析功能简介...............................................................................4
1.2 非线性静力分析的加载方法.................................................................................4
1.3 材料非线性分析的材料定义.................................................................................9
1.4 非线性分析的基本步骤............................................................................................10
1.5 I-DEAS 非线性静力学分析的局限性.........................................................10
第2 章非线性静力学有限元列式................................................................ 11
2.1 平衡方程................................................................................................................................... 11
2.2 迭代过程...................................................................................................................................12
2.2.1 几何非线性求解点的迭代程序.................................................................13
2.2.2 塑性几何非线性求解点的迭代程序....................................................13
2.2.3 蠕变几何非线性求解点的迭代程序....................................................14
第3 章定义非线性静力分析中的加载和求解控制........15
3.1 载荷历程及加载方法...................................................................................................15
3.2 加载和求解控制（Loading and Solution Control）对话框
.........................................................................................................................................................................16
3.3 选择非线性静态分析的收敛准则.................................................................19
3.4 非线性静态分析中时间段的刚度控制....................................................20
3.5 选择非线性静态分析的结果输出.................................................................22
3.6 非线性静态分析求解选项的选择..........................................................23
第4 章塑性分析........................................................................................................................27
4.1 概述................................................................................................................................................27
4.2 塑性模型...................................................................................................................................27
4.2.1 Mises 屈服规则..........................................................................................................28
4.2.2 硬化准则.........................................................................................................................28
4.2.3 流动法则.........................................................................................................................30
第5 章蠕变分析........................................................................................................................32
5.1 概述................................................................................................................................................32
5.2 蠕变模型...................................................................................................................................32
5.3 蠕变方程...................................................................................................................................34
5.3.1 蠕变数据的获得......................................................................................................34
5.3.2 蠕变方程的选择......................................................................................................36
5.4 蠕变控制...................................................................................................................................38
5.4.1 概述....................................................................................................................................38
5.4.2 定义程序对时间步积分的方式.................................................................39
5.4.3 指定下一时间步长的确定准则.................................................................40
5.4.5 设置时间步大小的附加检查项.................................................................41
5.4.6 输入开始分析的初始时间步.......................................................................42
第6 章梁模型的非线性分析................................................................................43
6.1 概述................................................................................................................................................43
6.2 梁的几何非线性分析...................................................................................................43
6.3 梁的塑性分析.......................................................................................................................43
6.3.1 线性梁和锥形梁......................................................................................................43
6.3.2 二次梁...............................................................................................................................44
第7 章接触分析........................................................................................................................46
7.1 概述................................................................................................................................................46
7.2 I-DEAS 接触算法.........................................................................................................48
7.2.1 运动学方程..................................................................................................................48
7.2.2 法向接触约束............................................................................................................49
7.2.3 库仑摩擦接触的约束.........................................................................................49
7.2.4 有限元运动学方程................................................................................................ 50
7.2.5 总体求解策略............................................................................................................51
7.2.6 接触算法要点小结................................................................................................ 52
7.3 怎样在边界条件中设置接触.........................................................................55
7.3.1 接触设置中的几个常用概念.......................................................................55
7.3.2 接触参数的定义......................................................................................................59
7.3.3 定义表面偏置............................................................................................................60
7.3.4 创建附加接触区域................................................................................................ 61
7.3.5 修改接触区..................................................................................................................61
7.4 求解器中接触控制参数的设置.................................................................62
7.5 接触分析的一些技巧和要点.........................................................................63
参考文献...................................................................................................................................................70

hanxiaoxue1982 · 发表于 2008-9-11 16:49:23

XIEXIE NI ~~~~~

yangliu0710 · 发表于 2008-9-12 07:09:31

谢谢楼主分享!

titter

zxyvictor · 发表于 2008-9-12 17:44:52

感谢楼主！可能会用！

yulianyu · 发表于 2009-2-12 19:25:06

正找相关资料，多谢楼主

yuriguo · 发表于 2009-3-31 21:54:12

太感谢了，请问有没有人做过类似这样的接触分析>?
在i-deas中应该怎么操作啊
http://b17.photo.store.qq.com/http_imgload.cgi?/rurl4_b=f3c2ebe8c833ae9c67cb4f0fd7ccb53f28b0909fe281e7946fb3eddfd133248ac01f9043dddeee0bc1ab18901ff62d7ef905de6d6c6047b88c7d861b4121582c75cbe60328dc0b572455bdcbda4cfda70826c8bd

jinxing79 · 发表于 2009-5-11 13:31:44

谢谢了,兄弟!

mouce · 发表于 2009-5-12 17:30:42

I-DEAS好资料太少啦！！谢谢楼主！！

blaiman · 发表于 2010-4-29 13:37:37

谢谢啊
谢谢啊
谢谢啊

jemjemjem · 发表于 2010-4-29 15:45:12

i used to try I-DEAS coulps of years ago, even i don't learn very well then, i do think it's a good tool for analysis and so on!

lvqing323 · 发表于 2010-6-8 19:02:37

谢谢，正在找这个软件，希望能找到吧。据说可以计算热－流场分析

lks0530 · 发表于 2010-9-27 19:05:30

提示: 作者被禁止或删除内容自动屏蔽

shawwu · 发表于 2010-10-9 18:45:58

好资料，谢谢了！

冷月无霜 · 发表于 2011-5-30 14:43:30

感谢楼主分享！！！

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[分享] I-DEAS非线性有限元分析技术指南.pdf

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