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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* f' @6 n' g) O; Q问题是这样的：# H! t- Z& e5 p ?/ J1 N4 m
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。
* M+ U8 F0 p( c% A* x8 \这个是我写的APDL代码
1 S; q% k% H: w, I. X5 g* j ^7 ]!桁架分析7 p0 a3 H) T" C9 ~
FINISH$/CLEAR$/PREP7, G5 s" w3 m( b: h. T
!方铝截面
6 c) i! |+ X( I6 F0 P5 i* q1 B4 EET,1,BEAM4
! \$ s, Y$ m# G" w/ CR,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02
8 V" p9 S& V8 Q9 z3 \- @! R! _MP,EX,1,6.9E102 `- A0 c1 o, C# T5 c
MP,PRXY,1,0.33
: W+ f* x1 l) SMP,DENS,1,2900: A4 d8 F: W8 V, D9 g0 M0 q' |
SECTPYE,1,BEAM,HREC- N2 U- v( u6 O
SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012
6 w' D$ M/ B: u8 t3 [% K, [0 F!桁架线体模型. {6 \ v1 j0 [* t4 q4 \& S& Z4 e. X! k
K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1/ z9 y0 C' w9 o/ X: @: i, M4 J
K,7,0.680,-0.150$K,8,0.680,-0.120) u7 ]% |, D" g' P: A9 d! ^: e( S. Q
L,1,2$L,2,6$L,4,7$L,2,7$L,5,7
: y; N% Z1 B# yK,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360
* `5 u7 F, i+ q% z- k; ^8 EK,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
% r5 e2 j) c+ NK,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360, d f9 S+ f3 d6 j0 w* h6 V2 x
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15- V; h) Y( a$ Y1 J8 _% n7 E
L,3,10$L,12,15$L,14,15
6 v1 g7 p5 P2 ]# @$ _# J/ ?L,8,166 U! ]& U$ y# F0 @
K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360" x' q. o9 y: U$ }$ b2 r
L,17,18
: [2 d) K- U f' u3 V) K( OK,19,1,0,-0.180
! j5 F" U, j7 r!分网
% p0 e/ Z4 f% U" c$ }LESIZE,ALL,,,10
0 [; p+ ]6 q/ V. G2 BLMESH,ALL
7 r# `5 J% n9 j' r3 ]. W" o% bFINISH+ K! x- t; a) E; p$ L* t
1 Z$ W5 \8 i- L( a* i _# ^
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
$ L1 n6 A6 h1 y1 S' j5 e, P9 S" |在线急等$ n$ H( T7 e. S' g# G6 Y
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发表于 2014-3-5 20:15:49
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