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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
4 |$ j4 U0 G' r7 V+ d" b/ B问题是这样的：
( i+ i4 Q, Z4 r% b% |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。
: B* B% w1 [' }" h& H这个是我写的APDL代码
* v. f7 z* K3 N+ z+ d' g!桁架分析
( A( E5 B: F( a8 r {! |3 `FINISH$/CLEAR$/PREP7
: S- K& F0 S* Q!方铝截面
e8 [3 Y4 _. D% x) h5 l; VET,1,BEAM4
4 O$ h- ^) q% L' \R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02
2 }; P& ^2 C) P* D4 CMP,EX,1,6.9E10
' A% x a( C" q8 PMP,PRXY,1,0.33
! L. n1 g" G0 x1 X V% _) }* ~7 O6 GMP,DENS,1,2900
1 ~' T5 [3 |" N# o4 Q8 c" e" B5 RSECTPYE,1,BEAM,HREC
3 `. z. ~* b) ?, F, {' Q8 O1 l# v MSECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012$ B0 ]& n# u0 X. A5 D" R2 W6 X
!桁架线体模型
2 C% U; @8 Z9 p5 D. R/ WK,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,19 o* N5 v, N, z
K,7,0.680,-0.150$K,8,0.680,-0.120
$ L4 ~8 }1 u* A) r: m7 K kL,1,2$L,2,6$L,4,7$L,2,7$L,5,76 B, M, x/ T5 }4 H
K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.3605 p! X8 \$ a; A0 P5 ^4 m, N
K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.3606 d5 b% W3 y5 p. n2 a7 L1 \
K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360
2 x8 a5 ~5 X7 p( a! F4 `L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15/ M$ Q ~0 I. ]7 q6 j; Q6 e. r
L,3,10$L,12,15$L,14,15
" s" w! L) M# D" x2 `5 PL,8,16" t3 y1 e) o% W* [6 S+ W$ h) E
K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360
# P6 {3 b \4 FL,17,180 X# g9 Z5 V; k# b# ?, `# I
K,19,1,0,-0.180
, w F6 ^0 L( j+ S0 N6 o!分网; O# b! G5 i q, Y1 v2 W5 Y9 j" y
LESIZE,ALL,,,10
; z) E' J% _* D m. ILMESH,ALL
1 n( U* n) x4 G7 r1 |1 P/ l* sFINISH9 {% c- j9 _0 Q) T/ m
& x$ B( I5 a. h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
* q5 K/ v( T: Z在线急等
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发表于 2014-3-5 20:15:49
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