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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^T6 ]6 K5 g4 X# R8 l$ C4 i6 {
问题是这样的：9 ^- Q- X" z t3 A8 {/ M! U7 o
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。9 L: f1 S' J2 ^; x! z: E
这个是我写的APDL代码
2 F7 W4 j% O! o4 ^2 j) Z5 X6 m4 I1 w!桁架分析
' q4 t1 [5 T( z) TFINISH$/CLEAR$/PREP7
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$ D6 \$ x2 ^( ^; D) WET,1,BEAM4
9 X. V- o X5 P) G) `R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.027 c4 y5 T+ W) O% v# u$ P
MP,EX,1,6.9E10
- _: Z0 H, z$ h8 I* Z) x0 f2 u: Z- SMP,PRXY,1,0.334 y8 E& U* ?2 m& k% }& X
MP,DENS,1,2900* T% ?6 P& ~0 Q6 v
SECTPYE,1,BEAM,HREC
9 ^" o k% Z. n0 a' \! `3 LSECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012
' y& L3 L; K) o!桁架线体模型
! w. |+ m+ J; ^7 GK,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
' A2 c: Z) m& H; U4 y VK,7,0.680,-0.150$K,8,0.680,-0.1209 m' D$ ?* N8 r
L,1,2$L,2,6$L,4,7$L,2,7$L,5,7
) e# x3 ?) x$ i: s- n! CK,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360
g# `1 X i+ i: P& PK,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
+ b; ?# f' Z$ [- L% Q" r1 P% }K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.3602 o2 }$ `9 ?7 J9 e& K
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15$ f( H- h, K& }" C; O
L,3,10$L,12,15$L,14,15
" A' p9 y' N0 o; ?* j: PL,8,16
H6 I8 s1 N V8 O H5 mK,17,0.356,-0.060$K,18,0.356,-0.060,-0.360- X, i) X# N' `& V+ L9 x2 V9 u! Q
L,17,18+ l, V6 o8 d7 s3 M2 O9 C* I
K,19,1,0,-0.180
+ i! }9 I0 S! [6 g8 R3 l!分网
/ m1 W2 s; b3 |! b* `& eLESIZE,ALL,,,104 c( C# G; w, ^# }' w+ H n
LMESH,ALL
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6 Y+ Q, [, u+ q/ D. o7 y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
8 D2 e0 T( e" c- m" H; g4 x在线急等
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发表于 2014-3-5 20:03:48