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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+ ~+ c( W. u3 c1 T+ p8 K1 {% {: I
问题是这样的：
! h) z/ o" ~: u4 Q0 d: m3 P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。* C* o$ r" w6 n* E8 O
这个是我写的APDL代码& }# g2 X! t/ Q8 Y3 ]
!桁架分析
* f4 j2 ?) Y, S5 N4 d& s* w# QFINISH$/CLEAR$/PREP79 Q6 u! T6 @; ]/ y
!方铝截面0 m6 M1 o9 {, Q( M+ I
ET,1,BEAM4/ r+ P" v& L/ F0 J
R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02' b& J8 B K( m0 F
MP,EX,1,6.9E10
& D1 N0 }5 F4 {. F' `) B6 |5 UMP,PRXY,1,0.33
9 @/ s# f" b1 I- r8 S" gMP,DENS,1,2900
3 _4 {% C% S7 B8 F$ i5 hSECTPYE,1,BEAM,HREC
5 F. [0 R ^- u- Q" W5 z8 R; M1 CSECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012
$ j4 M0 @+ S; R2 a!桁架线体模型
0 t8 g* h+ ^# |7 h; L# T4 NK,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
' e; _# I3 y; ^* L" uK,7,0.680,-0.150$K,8,0.680,-0.120
6 a! [* ?5 k4 g( u9 C$ U8 ^L,1,2$L,2,6$L,4,7$L,2,7$L,5,75 v3 C- G0 m/ D- \6 y+ t- m& X+ ~# y* o
K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.3605 u: l$ b' D9 `' i
K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
& w8 |. u( W8 V1 ?- K; UK,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360
{$ d: K5 q. N0 ?L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15- M0 a+ G, Q5 L
L,3,10$L,12,15$L,14,15
( k2 {: g9 E# i. X1 u; E# EL,8,160 X- w: m+ `8 N7 P& z
K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360' w; ?0 O$ o! W- d% m0 b% [ y
L,17,18; G' K' @' a0 X& c
K,19,1,0,-0.180$ A* ^* K( ^4 O- B3 X [; n6 B
!分网
. |3 g- F4 \+ yLESIZE,ALL,,,106 _& i& c" y. Y3 E9 s. T) y7 r p
LMESH,ALL
6 {7 ~" ^3 q/ mFINISH* `* P5 ^* h; p
' P% T0 K3 f: x+ H; f/ P$ A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
' }; T6 a/ I% k0 r1 @' Y3 \) t在线急等
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发表于 2014-3-5 20:15:49
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