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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^T7 n) V5 ]) g1 x {
问题是这样的:% {: q' k: B8 |! D, a
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。' }9 \8 H1 h7 X) a8 G
这个是我写的APDL代码
* n" o$ _) e& U: P y2 r, f!桁架分析5 d+ q. g' d! n* y
FINISH$/CLEAR$/PREP7( ~- }* P7 I8 ?% Z8 F* T( j+ a
!方铝截面* F+ R! {! g* {+ y1 }$ f/ s
ET,1,BEAM4
* O' Q6 z9 p' M! b( YR,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02* c. p$ L( e% Q
MP,EX,1,6.9E10
) F3 T" `7 u: q8 F2 F* ?MP,PRXY,1,0.338 `7 ^2 c* ~- R
MP,DENS,1,2900
# O! }! t0 y4 f5 q* H: SSECTPYE,1,BEAM,HREC0 o7 r- s, v! k+ ~
SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012! u5 V1 R7 A: ?6 t: E, Y" |; G
!桁架线体模型
. m7 f/ {- ^- C: J% @0 d* O( ^# o2 cK,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1: N9 E' ^1 I' L4 w& \
K,7,0.680,-0.150$K,8,0.680,-0.1201 w- Y3 e \# w! A+ K
L,1,2$L,2,6$L,4,7$L,2,7$L,5,71 ^$ C0 J' ^& f) O V
K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360
* I) K' i2 g8 CK,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360: d: w: d' Y; p! C4 v' h
K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360
0 m/ ` e6 |- r2 z bL,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15
0 W2 Q# H" O* [! P2 WL,3,10$L,12,15$L,14,15
/ l0 }& }3 `' S! n6 eL,8,16
* Q3 L2 |! F5 e2 u/ U; M* n# ^K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360+ T/ x% U8 a8 ~8 Y. j
L,17,182 F6 A" f6 s0 E6 d* L
K,19,1,0,-0.180! z5 p: x2 v) A
!分网- D1 m q9 D w7 l+ d, _, E
LESIZE,ALL,,,10. J% d- }5 D) z$ S9 E
LMESH,ALL
' |& j& T, c VFINISH
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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^T8 B8 Y5 s2 \: |
在线急等
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