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初学ansys，各种不懂。想做一个空间桁架受力分析，然后代码写了，导入ansys后加载，实常数，单元类型，材料属性都定义了，就是不求解，也查不到错，求大神们指教T^T. W! C* F- b0 I
问题是这样的：& X3 ^7 J$ b: y2 \# x/ _( j
线L1，L9受Y负方向的均布载荷1000N/m，关键点7,15,19全约束，受重力场的影响下看它的变形和应力。* {/ D/ }" ~ Z
这个是我写的APDL代码! j) Q, S. H9 Q5 S, u
!桁架分析' H) ]- {0 O# \# V! x( j! p5 P! ?
FINISH$/CLEAR$/PREP7
" M0 ~. O* ?1 X; J!方铝截面9 d% K% V9 j8 [5 z. F8 a7 b+ |4 q: N
ET,1,BEAM46 M- M! o8 n! K( H) \
R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02
5 ?% a7 ^2 x6 F$ U5 b1 OMP,EX,1,6.9E103 p* ?4 x; J ?, E+ h
MP,PRXY,1,0.33
1 j" @& x% A5 y; {8 o2 h. xMP,DENS,1,2900; e+ K- I3 e8 |# p( N
SECTPYE,1,BEAM,HREC+ ^5 o3 c6 ] C2 t
SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012
& i" O( Z! f+ l. [+ T: d!桁架线体模型- j# C5 y; D* P$ g$ |+ {
K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
0 `; m+ k F/ aK,7,0.680,-0.150$K,8,0.680,-0.120
% B) Y* N, h5 d3 z- S. _' g0 y' xL,1,2$L,2,6$L,4,7$L,2,7$L,5,7( n, h# K+ P/ c0 I9 Q/ M
K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360
4 T) v+ [0 S* J" `7 f. V, U0 xK,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.3603 B* [# i" F' ]1 d' c0 B8 r
K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360) q6 s8 G, t$ ~4 a6 b9 _9 @. U
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15
& p4 T& e4 _' ]1 _) w/ w6 d5 SL,3,10$L,12,15$L,14,157 ~) j6 b! a4 m5 w
L,8,164 d+ Z) n) d7 u! m8 d+ T( [
K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360 S5 u5 p- ~3 V# a" r6 M# `0 @( ]
L,17,18, O- Q5 C+ q3 b) M- F
K,19,1,0,-0.1803 f) v. r/ N9 j2 Q
!分网8 r6 H$ N5 V4 |) b6 ~
LESIZE,ALL,,,10
# [# p4 G9 _$ M2 N1 D& Q% R+ s" HLMESH,ALL
4 p" {9 r7 B9 c6 X* NFINISH
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+ O9 C/ P) ]8 \0 S究竟是ansys14的BEAM单元的问题还是我自己的问题，反正我就是不能用梁单元在ansys里求解。用solid95单元的话，这个结构分网困难，难以计算，简化就不求解，求给位大神指点，小弟感激不尽T^T
) w- m$ x4 o. k3 c在线急等
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发表于 2014-3-5 20:15:49
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