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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/ n' u% K9 C E! x- C7 }
问题是这样的:) |1 ^' T8 a' }! B [+ B
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。: j- z% E% d5 b2 X) n9 h0 z3 a
这个是我写的APDL代码
6 m0 l1 `8 M) w!桁架分析( i' G* W4 X& X: Q2 }; q2 G
FINISH$/CLEAR$/PREP7
8 h" ]1 j! T' G: c$ U i!方铝截面9 I, k9 p' Y9 H: i0 u8 Y* ]5 h
ET,1,BEAM4
y9 `& }. Z0 I, QR,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.029 v/ D$ G% P5 E0 I4 f& _9 X- H) [" {
MP,EX,1,6.9E10
4 W) |5 {# T, _" Z" IMP,PRXY,1,0.33
" ~2 f: D6 v. C7 ]/ nMP,DENS,1,2900' {% k) _8 W# Z" g; n
SECTPYE,1,BEAM,HREC
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, \ b7 U% G6 k/ q!桁架线体模型6 @" U; _& d0 Z' H5 i8 ~4 a. B
K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1) e' o5 A" T' q
K,7,0.680,-0.150$K,8,0.680,-0.120
. p @4 b* o n0 vL,1,2$L,2,6$L,4,7$L,2,7$L,5,7
6 u1 ?- `1 N: G; G |- FK,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360( v& k0 L" \. x9 J
K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
. o# K# Q* S$ M5 Q. D' xK,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.3605 v* i$ y+ |+ t( P* h* N. T6 }
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15& d( Z) r3 m/ T' n& S% @ A
L,3,10$L,12,15$L,14,15$ r) `( ]3 z r. ?, U
L,8,16
" `4 U. g4 x# R+ i+ \+ w3 D% s; X$ \K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360# r( O+ F, I% f& `. g
L,17,183 q- R! q: A+ y6 \6 ]+ E
K,19,1,0,-0.180
+ n& u* i) |' {% v6 t2 D!分网
% a3 B* _' Q0 O$ V+ e( D! ~7 OLESIZE,ALL,,,102 G% }2 _: }% [: k {
LMESH,ALL, [! r8 b9 W) u
FINISH
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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* u( D& k, M在线急等
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