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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; e- w( r% @/ a' ]
问题是这样的：3 h2 G. z8 D6 T9 r( E x+ x) F6 c j
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。6 i4 j! C! C t* X/ K
这个是我写的APDL代码
- o2 f( E3 p" w5 r" J!桁架分析2 F! w5 l G& _- D# y
FINISH$/CLEAR$/PREP7
, ?4 y+ s0 `8 K( a1 L8 Y. Q!方铝截面5 K1 u' a+ w3 G! L" ^) j
ET,1,BEAM4
+ h7 o" |) L0 V$ q4 x# D, p3 p; h: c4 VR,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02
* j, d$ ^/ k* G6 e( s" S& f) Q( A' xMP,EX,1,6.9E10
9 ^7 I1 e5 }7 R# p3 i4 y7 ?MP,PRXY,1,0.33/ ]- v5 S. d8 `
MP,DENS,1,29005 \: t( ?9 C: x2 k$ Z5 @1 W
SECTPYE,1,BEAM,HREC
: H2 O5 P0 W! \7 B7 j! {6 Y7 ~SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012
- v. K/ N" h/ Z Q- ~9 a$ j$ R!桁架线体模型1 \2 |7 E$ Z1 p. U/ i
K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
* ~0 O6 r2 c4 Z9 QK,7,0.680,-0.150$K,8,0.680,-0.120* B2 c8 Z# {7 R7 O
L,1,2$L,2,6$L,4,7$L,2,7$L,5,7
4 j9 j5 R! a- ?, j1 KK,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360/ G' W& Y9 f; ]$ x7 i/ {% ~
K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
+ b) d3 m' l% EK,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.3606 l4 f m8 U3 w. I* P, g& z
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15
7 K& M; S3 b* g- j7 b1 c* x/ l" FL,3,10$L,12,15$L,14,15
/ g* ]3 o7 e5 L( t, IL,8,16
. y. i7 t% p! c2 wK,17,0.356,-0.060$K,18,0.356,-0.060,-0.360
. ]6 s5 Z3 V, S$ ]# m& |L,17,18- v8 N ~8 h- F1 L+ y
K,19,1,0,-0.180( a6 d2 n; z8 T+ [0 [, @
!分网
1 y9 k) E) }% }8 X* oLESIZE,ALL,,,10- f; P/ l$ e$ A: p
LMESH,ALL
- H; U* F [$ ]0 j9 c) HFINISH
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5 m' e& V9 L. O' m# M+ ^! k! t+ J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^T2 t3 E* }6 [% R
在线急等
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发表于 2014-3-5 20:03:48