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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
( u1 m0 p. [( S问题是这样的：
; L" k7 K. }! { g9 j+ F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。
, l. L$ s( ] a" E这个是我写的APDL代码& f$ p) \" l' Y+ z
!桁架分析6 B& _3 `" w) f, m% x
FINISH$/CLEAR$/PREP7
5 }- O4 N$ b/ s8 w!方铝截面4 Z: R5 x5 p4 o( |
ET,1,BEAM4* `# a4 A* w& i/ o f) T d$ K
R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02& f* }: Z6 |" n8 m
MP,EX,1,6.9E10
5 K6 z! o' h8 x6 h. ZMP,PRXY,1,0.33
$ Y# M6 p2 v, YMP,DENS,1,2900
6 _( R1 @! h+ _1 b% jSECTPYE,1,BEAM,HREC; Y* f/ }+ G2 M! z0 H b0 Q; d
SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.00124 l. ^+ Y* W$ l4 w9 e' S/ t* E
!桁架线体模型
& y6 i g) W. X) |# ^8 [K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
1 v+ G9 t7 y" M" Y6 e( |K,7,0.680,-0.150$K,8,0.680,-0.120+ m5 t% l$ h) }+ g& E p6 y4 j
L,1,2$L,2,6$L,4,7$L,2,7$L,5,7
7 f( r( ~# X4 vK,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360) A, a* k/ H6 H5 a+ z
K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360! z6 b# z8 q2 p$ y3 L- o
K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.3609 w9 i: `) w6 O* r
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15
6 T4 N* w0 ^' ?L,3,10$L,12,15$L,14,15
1 s1 w9 x# L/ i) ^8 ML,8,165 S4 @6 z( U4 W+ D7 D8 @
K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360$ S/ x$ l' _) n& A
L,17,18
5 E, D) S& {* F( F% ], jK,19,1,0,-0.180: Y& f. V& I+ p" j. { O
!分网5 g( d9 m6 H( g q) G: L- t+ z
LESIZE,ALL,,,10
( n/ ~; q+ D6 V! LLMESH,ALL
9 X7 Y- J$ H4 N" C$ HFINISH2 k; G; S) O( U( U& w& T+ j
- u5 r/ L8 \6 i. t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
! Y# Y9 ~# T& c: Q1 l在线急等6 j; E& b% U) l1 F; [% H; c; J
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发表于 2014-3-5 20:15:49
