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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
3 N6 j, H; M& X% G/ W美国通力（UFC）公司 [- q8 c# ~; A, }
北理工车辆与交通工程学院计算机应用与仿真中心' A% a, r: j* M6 M/ I; o# q. J: P
2001 年8 月7 G3 D' v6 J9 P% m( o+ g2 v
$ a( z9 l; T, ]7 k' H目 录
0 w' j" z& F2 ]8 K& }6 ^% y第1 章 非线性静力分析概述..................................................................................4
" O7 h# K' ^0 x- T4 R" f1.1 I-DEAS 非线性分析功能简介...............................................................................47 M" [' ?3 k9 n* i: j
1.2 非线性静力分析的加载方法.................................................................................48 F, @. d+ n D5 N: S
1.3 材料非线性分析的材料定义.................................................................................9
5 u# Y1 w7 A5 |3 M1.4 非线性分析的基本步骤............................................................................................109 |( g# T. r6 m6 g
1.5 I-DEAS 非线性静力学分析的局限性.........................................................10
$ j8 H( m+ }8 |$ f+ @6 u第2 章 非线性静力学有限元列式................................................................ 117 Q8 |$ N- O. [7 e
2.1 平衡方程................................................................................................................................... 11) R5 s" T) c5 X) O5 ]8 G
2.2 迭代过程...................................................................................................................................127 h# I! Q y8 b# I, G
2.2.1 几何非线性求解点的迭代程序.................................................................13
; X# P& x% h" A; q7 b! C& U! P2.2.2 塑性几何非线性求解点的迭代程序....................................................13/ R: B& Z0 w7 |
2.2.3 蠕变几何非线性求解点的迭代程序....................................................14
, @ j; y H& x6 Q: O- K第3 章 定义非线性静力分析中的加载和求解控制........15
x/ q3 \6 }6 y& D3.1 载荷历程及加载方法...................................................................................................15
3 M/ q( R! b: F7 X+ J4 m3.2 加载和求解控制（Loading and Solution Control）对话框0 i9 q) w' l8 J2 K. t0 R% D- r
.........................................................................................................................................................................16
7 R- E6 \9 C7 t) {$ S3.3 选择非线性静态分析的收敛准则.................................................................19. d0 h+ _% M. `4 T; l, z
3.4 非线性静态分析中时间段的刚度控制....................................................20
; W* L! P4 f/ M; p m' y0 G3.5 选择非线性静态分析的结果输出.................................................................22- Z+ t( X" E+ c2 P( f# g
3.6 非线性静态分析求解选项的选择..........................................................23
4 _ e% S* G0 y: @- K3 W& X: [第4 章 塑性分析........................................................................................................................27
2 \8 I9 X, w' W6 P) N. |4.1 概述................................................................................................................................................27# X" S) S z8 t/ W
4.2 塑性模型...................................................................................................................................27
8 L8 T3 C5 ]+ ]4.2.1 Mises 屈服规则..........................................................................................................287 Z/ g5 ^( {3 i& i$ h ]# q4 _* B
4.2.2 硬化准则.........................................................................................................................28
/ |0 q9 ?. p: w4.2.3 流动法则.........................................................................................................................307 p) V3 ~6 F. z( v6 B
第5 章 蠕变分析........................................................................................................................324 w2 p5 w/ |2 m* v" N0 i% H& H
5.1 概述................................................................................................................................................32+ J* p! A: `; } z! Q5 e! C2 t
5.2 蠕变模型...................................................................................................................................32
F8 l+ i" v- l, B0 q# f. a1 B5.3 蠕变方程...................................................................................................................................34
4 e2 ]) O* I( `$ {" O5.3.1 蠕变数据的获得......................................................................................................34
; q: ?" m2 W4 \- h4 W- r& E5.3.2 蠕变方程的选择......................................................................................................36% g$ F% J9 }5 G- I2 m
5.4 蠕变控制...................................................................................................................................38, m5 z; q! ~& a
5.4.1 概述....................................................................................................................................38( s% K/ e F( s7 `+ b5 K( k
5.4.2 定义程序对时间步积分的方式.................................................................39! j' O- c, i) g3 m2 T
5.4.3 指定下一时间步长的确定准则.................................................................405 k: [, ]. e; D- r3 W
5.4.5 设置时间步大小的附加检查项.................................................................416 d& ]( o4 r) x; {2 \) N; }5 T
5.4.6 输入开始分析的初始时间步.......................................................................42( n) u6 M- x+ L& `+ x. B6 y& Z
第6 章 梁模型的非线性分析................................................................................43
. Y0 e! ~/ c4 J% d- a% e3 \6.1 概述................................................................................................................................................43
& p7 k0 O- z: Z5 f0 H( h5 _. ]6.2 梁的几何非线性分析...................................................................................................438 I& C f1 ^! L" J
6.3 梁的塑性分析.......................................................................................................................43
. {7 R1 l) Y2 i6 w8 x# y; G6.3.1 线性梁和锥形梁......................................................................................................43
B# x& e# g8 W8 y6.3.2 二次梁...............................................................................................................................44
/ e3 q1 Z9 q# }4 y8 E q第7 章 接触分析........................................................................................................................46
: d$ H5 o. R7 m3 e2 A7.1 概述................................................................................................................................................46
0 F" b$ a( ?# }5 B7.2 I-DEAS 接触算法.........................................................................................................489 r& N% l/ X7 G3 M
7.2.1 运动学方程..................................................................................................................48% V/ j' d& C& `/ Y1 [9 i
7.2.2 法向接触约束............................................................................................................49
; K" \( X8 H/ b* S. n7.2.3 库仑摩擦接触的约束.........................................................................................492 T! f/ i5 ?7 W" U2 I- w* I% M! Q" S
7.2.4 有限元运动学方程................................................................................................ 50" P5 [5 r4 B& N! L/ x
7.2.5 总体求解策略............................................................................................................51) [" F9 x" @) [* U8 x, _- q& f6 `7 T
7.2.6 接触算法要点小结................................................................................................ 52
K5 P& _, |5 S2 \5 I" L# h& V" ]6 k7.3 怎样在边界条件中设置接触.........................................................................55
" S: o/ u4 k# g8 z) x7.3.1 接触设置中的几个常用概念.......................................................................553 j1 ~% K( D) s3 C. P: k d0 l
7.3.2 接触参数的定义......................................................................................................590 u) q( {3 b- s$ l, T
7.3.3 定义表面偏置............................................................................................................606 a. |# m* A" y4 m. X
7.3.4 创建附加接触区域................................................................................................ 61$ y& ^4 ] e2 Q7 R) `& ], b( {/ ]2 V
7.3.5 修改接触区..................................................................................................................61
9 u# I' }8 C2 `' m3 t1 g7.4 求解器中接触控制参数的设置.................................................................62- w; h, J. P: g5 v+ l
7.5 接触分析的一些技巧和要点.........................................................................63
! C% j" @9 O6 h参考文献...................................................................................................................................................70 |
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