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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; H' N( |, V9 g
问题是这样的:
, S8 t7 o: V/ j+ Z- P' U9 Z: y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。8 L9 |, F8 G c3 ?9 Z, v
这个是我写的APDL代码
6 P, c- |. Q& e8 O!桁架分析9 e( c1 g3 i; `5 \, z6 F4 ~1 V
FINISH$/CLEAR$/PREP7' S4 a3 @# n' v; I, s* v9 g) G% t
!方铝截面
' p+ f3 F, g) i& X; q% IET,1,BEAM4
6 s. p! |7 g' sR,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02
# i9 a2 \1 P: n( `2 I- I1 bMP,EX,1,6.9E10
d( u8 k+ x; F* IMP,PRXY,1,0.33
/ w2 R( S% C1 E3 P( n$ m1 XMP,DENS,1,2900
6 s i: ]$ A& G) C5 ]+ |SECTPYE,1,BEAM,HREC8 G; ~' z( U$ [4 ?; C1 d
SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012* `& |% d4 g4 R* V
!桁架线体模型
0 o( o/ H3 [- V3 \: WK,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
; R, ~# s# m* O3 m vK,7,0.680,-0.150$K,8,0.680,-0.120
) e+ [2 J7 q7 DL,1,2$L,2,6$L,4,7$L,2,7$L,5,70 u/ B3 C$ O; o% W$ P
K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360
% K, ^" h. W0 F& p! i: w$ JK,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.3609 Z' ^. Z' }+ h+ s5 n1 ]/ ]
K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360
, T! h) m8 N7 _! w5 H$ jL,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,154 f4 i2 N; D7 {, N! u Z9 P# Z
L,3,10$L,12,15$L,14,15- M( ]* e* ^- J. H
L,8,16
" S1 }& b( { B# n$ V- ~% MK,17,0.356,-0.060$K,18,0.356,-0.060,-0.360
: r9 b: |' C- n! e' v$ cL,17,18
) ~2 @2 Q2 U. c# k& f# I. {K,19,1,0,-0.1804 {0 P9 q# x$ N' H* X9 B9 m
!分网! L/ c2 a" p' F2 I* s$ m- R; Q( F: p
LESIZE,ALL,,,10* G4 D1 L7 L5 c" |' K& d
LMESH,ALL
, `0 \: @% \) R! @5 `% T7 Y- V/ rFINISH
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6 O% s; z. h$ L/ j2 n% z5 k5 I4 k" g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 g) Q$ ]9 Y# G/ h
在线急等
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