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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^T2 x3 w% G% l& V! N1 z# M- } P 问题是这样的:+ @ Y2 Q- @% V( t- B9 X 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。 3 Q" D5 Y h5 _ S这个是我写的APDL代码 7 k! _+ a( k; G!桁架分析2 ^! k$ T k. U& c* x FINISH$/CLEAR$/PREP7) r: y) }) v% K1 ?% N; P !方铝截面3 ?. o( R8 I, D. | R ET,1,BEAM4; o( k2 e* V% R" ]; K4 |8 P R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02 ) R6 t9 ^ |& w Y% a& ]MP,EX,1,6.9E10, U0 i5 E3 {+ B MP,PRXY,1,0.331 ]8 [3 D4 e% p' N% { MP,DENS,1,2900 4 P& R" i3 S6 q; q( m2 DSECTPYE,1,BEAM,HREC 5 [9 m; u+ o- O3 ESECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012 J0 L/ D# [' w5 i7 E3 ?!桁架线体模型, |" y) ]: {& f$ a) N K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1: g; a+ i5 j8 w) Y0 U# Q K,7,0.680,-0.150$K,8,0.680,-0.120 ( ?) J" Z- S6 E4 O" w. J5 ~L,1,2$L,2,6$L,4,7$L,2,7$L,5,71 l/ G4 p$ S/ V$ D7 \, {& w0 X K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360 + W1 L# E3 T6 j. K# f- YK,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.3600 g& e% ?6 f2 ?& b3 W8 d4 c K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360! G3 y# U* U6 [& Q L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15 5 s; e4 l$ z0 `L,3,10$L,12,15$L,14,153 E! a( Y/ Y- p) z2 g L,8,16 9 l- A3 q: z' u( MK,17,0.356,-0.060$K,18,0.356,-0.060,-0.360B/ w8 j' T3 |- r% z$ k L,17,182 z: `( f- c# h d K,19,1,0,-0.180 4 N& G# w1 X9 `2 C+ v!分网 8 D& @( G- p$ f g( xLESIZE,ALL,,,10O3 G/ ?1 G8 e {# i/ r1 {' t LMESH,ALL2 U0 [. n/ t' i0 B4 G5 ~ FINISH # T, b" f |/ Z4 \8 N4 A8 v* F9 \5 g8 V1 P( I+ ` 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 2 X" B% Q0 j* ^3 H& J在线急等; {9 ~0 G5 d8 J6 B% R
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