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標(biāo)題: 關(guān)于ansys14.5的空間桁架 [打印本頁(yè)]

作者: 懶趴趴的熊    時(shí)間: 2014-3-5 20:03
標(biāo)題: 關(guān)于ansys14.5的空間桁架
初學(xué)ansys,各種不懂。想做一個(gè)空間桁架受力分析,,然后代碼寫了,,導(dǎo)入ansys后加載,實(shí)常數(shù),,單元類型,材料屬性都定義了,就是不求解,,也查不到錯(cuò),求大神們指教T^T
% x+ T2 h; J% G2 O5 T問題是這樣的:
- [& k" q; g( l+ b5 _8 C6 l線L1,,L9受Y負(fù)方向的均布載荷1000N/m,,關(guān)鍵點(diǎn)7,15,19全約束,受重力場(chǎng)的影響下看它的變形和應(yīng)力,。
: Y6 D3 Q5 W3 S6 a* a這個(gè)是我寫的APDL代碼$ D; f5 @* g/ Q
!桁架分析
$ s) d2 B% t; \5 {/ [4 @. IFINISH$/CLEAR$/PREP7
6 X6 S" o, w+ B, _& |8 K6 K4 f* K!方鋁截面5 v: }) M* D/ A, F3 j: m- Q
ET,1,BEAM4) x6 d5 S1 y* f" J: ~* E4 ~  r
R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02: v# |" F3 [6 Q; x" B0 K) L  x/ P
MP,EX,1,6.9E10
' p# y0 k% l1 ?$ w+ v2 p" X' cMP,PRXY,1,0.33
4 f" E2 E  q8 K, m2 K! g" FMP,DENS,1,2900
! o1 L* ~) D, a$ T5 jSECTPYE,1,BEAM,HREC# E" t: Q8 t7 [/ h
SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.00123 G+ ^0 P2 J( I: P
!桁架線體模型) b# X, h% c( B- P5 x$ t
K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
9 m, p% _1 R( S+ f) ]K,7,0.680,-0.150$K,8,0.680,-0.120
9 I! `7 t' U, [7 x+ V  PL,1,2$L,2,6$L,4,7$L,2,7$L,5,7" H# Z$ h0 E8 S5 m  C% E
K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.3601 Z; _/ u6 u3 S, u) _- [' J2 _% q. ]
K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
: U. X1 M: F. }& pK,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.3608 j$ H5 \/ _( V+ ~6 p# i
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15
8 L5 ?  u9 s! k0 cL,3,10$L,12,15$L,14,15$ D% F/ o  _$ I, d/ P6 d9 @
L,8,16
7 h: p; L% E+ M' h( F4 j! iK,17,0.356,-0.060$K,18,0.356,-0.060,-0.360  A9 z9 ]2 o5 r' r( P
L,17,18. s( Z  F4 |" P5 \
K,19,1,0,-0.180
+ _3 q( k* e/ V& g' x$ @!分網(wǎng)1 F7 M/ Z5 X: q8 K3 r- W
LESIZE,ALL,,,10) q  ~# t2 o6 `6 |% E
LMESH,ALL; e9 R# x  g5 O! b% \8 W
FINISH8 V/ {& e: u) X& H
  \9 E& e' @) B1 Z+ H1 C
究竟是ansys14的BEAM單元的問題還是我自己的問題,,反正我就是不能用梁?jiǎn)卧赼nsys里求解。用solid95單元的話,,這個(gè)結(jié)構(gòu)分網(wǎng)困難,,難以計(jì)算,,簡(jiǎn)化就不求解,求給位大神指點(diǎn),,小弟感激不盡T^T: X0 b2 u7 |3 Y
在線急等
# w$ \, R2 @6 |8 ~$ M' r* a9 c, ~




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