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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
1 b0 u2 l- B* E, a! k6 K% g# b7 a问题是这样的:8 B! O9 Q8 J% C4 T; g* `
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。" P6 F, g: o+ P. V3 |
这个是我写的APDL代码3 G. d7 k. m' n$ t# d0 _( X
!桁架分析1 i6 d! {, R D/ Z
FINISH$/CLEAR$/PREP77 R. K5 _8 i% p7 K
!方铝截面
0 \+ y. Y) Z$ u2 t B# sET,1,BEAM4% h* ?5 N* ~+ b' [
R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02+ H4 R( L0 }7 D& O5 F
MP,EX,1,6.9E10
3 M( S3 S4 r6 H; r' X. N$ E* g) W8 @* wMP,PRXY,1,0.33& `* W1 h1 I( N& y* V: x
MP,DENS,1,2900" n) F, I" z, p( F
SECTPYE,1,BEAM,HREC
0 ^. i* J U. A2 R5 H; s9 rSECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012
7 q5 ^1 S+ F! } R( w+ [% J!桁架线体模型 I0 K& c) k9 [2 W E" F& e& E* [% b; g
K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
% i* ]$ [& U$ jK,7,0.680,-0.150$K,8,0.680,-0.120; j8 M5 N6 R5 b1 q. p& r, t
L,1,2$L,2,6$L,4,7$L,2,7$L,5,7
* e# N5 q8 m7 O4 @K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360
% ~8 {+ ~% J8 o; m! Z7 u% {K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
0 C2 v% _$ j4 O. m: ]K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360
8 t" I- O/ s, r4 \$ K: IL,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15
+ Z' r/ ^# M" w8 E1 x- r3 |+ p7 ?1 [L,3,10$L,12,15$L,14,15
X9 j, }# W9 `; J7 o; S0 r3 JL,8,16
% e+ B& u- U" }! E6 l3 `, mK,17,0.356,-0.060$K,18,0.356,-0.060,-0.3609 J" i- i1 F$ u* [7 i5 x; x: `
L,17,18
' E1 \5 B" D- F3 XK,19,1,0,-0.1805 d. M. ]) x2 h! l; [; O& b
!分网
2 A9 G. f7 m6 J# ?LESIZE,ALL,,,10. v1 ^& w" U: x3 r" T
LMESH,ALL
% p. Q: P% U+ I/ w* ^2 k0 |FINISH5 J( h' v6 L0 Y( P, j
8 G+ K$ F' s6 Z5 v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
3 f+ A+ }9 M" X# U) R在线急等
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