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发表于 2008-8-28 10:59:55
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来自： 中国江苏苏州
I-DEAS 非线性有限元分析技术指南* o# J$ e7 o0 c7 q: [. y& l- v: X
美国通力（UFC）公司; w. b! U- K. `8 K" W8 x: d3 x
北理工车辆与交通工程学院计算机应用与仿真中心
3 `- X7 ^7 ?# O+ ~% `# T3 F0 I0 J2001 年8 月1 K' ~4 v1 C' r) P/ g
4 h' `0 [) M, [- ~" K) { Q
目 录
" ~! l7 P. b* J第1 章 非线性静力分析概述..................................................................................4: k& S, M. N) x
1.1 I-DEAS 非线性分析功能简介...............................................................................4& N% ~% g* l" @9 r$ f# h7 X$ {
1.2 非线性静力分析的加载方法.................................................................................4
) Y% Q) j4 Z% [5 ~ d- r. `/ i3 B1.3 材料非线性分析的材料定义.................................................................................9
, Y) Y0 n7 y \( d: o1.4 非线性分析的基本步骤............................................................................................103 Q s+ s$ r9 L: z+ d5 r) V; z
1.5 I-DEAS 非线性静力学分析的局限性.........................................................109 v: P* [- v4 r, `* ^0 t: M
第2 章 非线性静力学有限元列式................................................................ 113 {$ [7 C# H# r6 H
2.1 平衡方程................................................................................................................................... 11- l |* H, C2 F) j& a3 e
2.2 迭代过程...................................................................................................................................12
9 A# c! ~7 F: K6 h& o7 r6 h2.2.1 几何非线性求解点的迭代程序.................................................................13
^- l. h0 Y. ^+ o8 c1 E9 s& ?2.2.2 塑性几何非线性求解点的迭代程序....................................................13! a) K3 X- K& i' y5 {. {
2.2.3 蠕变几何非线性求解点的迭代程序....................................................140 `3 _1 j2 d; v5 G- A' V: A0 P% J
第3 章 定义非线性静力分析中的加载和求解控制........15
% O! r, T; T9 u7 z2 s+ ?3.1 载荷历程及加载方法...................................................................................................15
/ g3 i9 |. T. c* ^! J; \: t, V' I3.2 加载和求解控制（Loading and Solution Control）对话框
" M1 ?, y/ P# u! w: z( T.........................................................................................................................................................................16! r! O: u/ D! q' Y/ _. K
3.3 选择非线性静态分析的收敛准则.................................................................19; @* A: [+ v t7 f
3.4 非线性静态分析中时间段的刚度控制....................................................20" V1 I% D" l1 J: o% R, d, M
3.5 选择非线性静态分析的结果输出.................................................................22
' x9 V$ D+ _0 ~1 Z. x3.6 非线性静态分析求解选项的选择..........................................................238 a X: {7 j" W0 G2 @/ q! v
第4 章 塑性分析........................................................................................................................27, _: \! i- L+ \
4.1 概述................................................................................................................................................27
% o) b$ c, _/ G$ @% m4.2 塑性模型...................................................................................................................................27" b" M1 h2 D$ i& D. b6 a
4.2.1 Mises 屈服规则..........................................................................................................28
6 ~8 o$ q. z8 v4.2.2 硬化准则.........................................................................................................................286 \: _. L& T$ M' k+ \0 ^- L+ Y- z: t) @. T
4.2.3 流动法则.........................................................................................................................30
+ M- d, [" h8 n2 O! {& n Q第5 章 蠕变分析........................................................................................................................32
7 G3 s9 J6 C6 X, u; K5.1 概述................................................................................................................................................32
# m5 c' R3 G2 @. |/ t. D5.2 蠕变模型...................................................................................................................................327 \- ~" r9 k, X0 Z L6 G h
5.3 蠕变方程...................................................................................................................................34
' x/ ?/ ^& o2 Q$ k, O# R" U5.3.1 蠕变数据的获得......................................................................................................34; O1 I0 z/ A- W( d% ?9 w
5.3.2 蠕变方程的选择......................................................................................................36
, ]2 y( `8 n. s' m3 j$ C5.4 蠕变控制...................................................................................................................................38
0 ?: y0 t# v' M) V' U/ V9 I2 f5.4.1 概述....................................................................................................................................38, D1 k; K& p6 ` y4 x! a+ ^
5.4.2 定义程序对时间步积分的方式.................................................................39
# R5 [) Q! n9 |; M( ]/ f+ z$ F9 W5.4.3 指定下一时间步长的确定准则.................................................................402 X6 E7 ]5 w0 C# |; v, O
5.4.5 设置时间步大小的附加检查项.................................................................41
, [' t2 o$ u( H; I5.4.6 输入开始分析的初始时间步.......................................................................42
& y7 J& G9 ~4 u) [. d* i) C第6 章 梁模型的非线性分析................................................................................43
D2 Z3 i( Z& o3 C" s* G" _+ n0 i6.1 概述................................................................................................................................................43
0 ]9 x# l, P- n6 |- A% N' s6.2 梁的几何非线性分析...................................................................................................43
4 B6 p. Y% d: [' }0 a0 D6.3 梁的塑性分析.......................................................................................................................43
0 w6 o; k7 S! j8 S/ y! e$ a" N- _6.3.1 线性梁和锥形梁......................................................................................................43
3 v4 i7 Y0 R' g, K! ]( R4 _6.3.2 二次梁...............................................................................................................................44
5 q% ^* J2 @, S& Q5 X+ S+ ?第7 章 接触分析........................................................................................................................46( ^& L( M* Z$ y9 V7 t
7.1 概述................................................................................................................................................46
1 G: G/ x4 N! F# e$ }3 [+ D0 |9 N7.2 I-DEAS 接触算法.........................................................................................................48
& _% W: x9 O( M+ w7.2.1 运动学方程..................................................................................................................489 X( m% K) P+ D
7.2.2 法向接触约束............................................................................................................49
# ]8 r4 Q/ E# Y! {( p) K7.2.3 库仑摩擦接触的约束.........................................................................................49
$ v$ I4 L: R' ?; V6 r7.2.4 有限元运动学方程................................................................................................ 50
0 A$ ^6 a2 a+ W: T- i9 [, G5 M+ Z7.2.5 总体求解策略............................................................................................................51
* Z N* l7 X& j) n+ r: M! J7.2.6 接触算法要点小结................................................................................................ 525 z, n* p: U$ Q5 Q, b- F
7.3 怎样在边界条件中设置接触.........................................................................557 |5 J" n5 Y( {0 Q
7.3.1 接触设置中的几个常用概念.......................................................................55( v+ a2 H4 @3 w% f6 B
7.3.2 接触参数的定义......................................................................................................591 r6 e/ H' j1 g, o4 F7 B
7.3.3 定义表面偏置............................................................................................................60
3 J( T7 \5 W: G2 W% K' K; m9 ]2 q" A/ |7.3.4 创建附加接触区域................................................................................................ 610 t) \/ c& `; q. `
7.3.5 修改接触区..................................................................................................................61
- Q2 P/ T6 l2 A1 p* Z6 c7 e, ~( F6 D8 ~7.4 求解器中接触控制参数的设置.................................................................62
1 s$ w, q) I) U% W% i1 K7.5 接触分析的一些技巧和要点.........................................................................63
0 D3 o a; v; y! Y! Q+ @参考文献...................................................................................................................................................70 |
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发表于 2008-8-20 21:23:44
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