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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# h$ r0 k/ v# q9 g4 o 问题是这样的:2 J# Q7 W2 ^6 H' e* [! O V3 ] 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。 ) e. J: P6 n! i$ e这个是我写的APDL代码2 Y. ?/ r. }6 n! Y4 D& W !桁架分析 + I5 ~5 L/ o. mFINISH$/CLEAR$/PREP7 + ~2 c0 e F2 O: N0 m: U!方铝截面( {4 |6 ?1 |9 c$ e ET,1,BEAM4 ( R, |1 U& u' b( B) J5 q5 zR,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02 ! p: A7 H: a- |MP,EX,1,6.9E10- O7 P+ B! \3 g/ _7 E/ L MP,PRXY,1,0.33 + `' R; N4 D r( t6 F9 o8 SMP,DENS,1,2900! o) W) ^& [& P1 N1 J9 a O SECTPYE,1,BEAM,HREC 8 u# l$ ~* J2 `! U6 O9 J+ y; O8 }SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.00121 P$ x+ Q8 S! e* } !桁架线体模型4 m1 U4 e; C! Z/ X R5 k- j K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1" S- ^: T" T. e- O; i K,7,0.680,-0.150$K,8,0.680,-0.1205 [) t1 `4 y! Q L,1,2$L,2,6$L,4,7$L,2,7$L,5,7 ) Y$ ]) r7 T5 B9 \K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360- s1 O$ b9 t4 |- B K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360* D% c6 N' S/ R( Z; L0 j- Q- o K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360 ( X# l! O' d8 V0 l/ w1 a7 ^' ]L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15 3 Q' z- |3 M( g/ |) h% AL,3,10$L,12,15$L,14,150 z; J0 D0 |. d7 [ L,8,16" L; T7 m8 T# w6 n& e' F% \6 b K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360# r) |& w8 x+ Y. z+ U L,17,18+ o7 g% B" u6 f; t K,19,1,0,-0.180: M7 c4 S9 F7 ]) Y. e !分网2 e: `9 T8 Y" j) h: V9 I) a* \. d LESIZE,ALL,,,10 9 [ L" A% ?$ R! V" d& bLMESH,ALL " e5 a |5 d. T4 g& jFINISH ! Y( e) R. f- I4 {7 s6 l1 L* g1 O " h. ^, B% P& z# Q) c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' T- p) e9 K* y 在线急等 ( P! f* G. Q% \9 U |
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