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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(xiě)了，導(dǎo)入ansys后加載，實(shí)常數(shù)，單元類(lèi)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
% ~. G0 I# m$ s$ O8 ? j問(wèn)題是這樣的：
; O3 V: C3 n, z8 c3 M3 o! z線(xiàn)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。
6 T2 [1 h! _* r6 m7 X5 p這個(gè)是我寫(xiě)的APDL代碼# _9 w/ G0 t. V4 [
!桁架分析
5 v) W# i! Y& ]2 M0 r3 i1 HFINISH$/CLEAR$/PREP7* ~: n1 y- Q1 M. m
!方鋁截面
+ @* m2 r# t( ?- x3 L0 Q OET,1,BEAM4' A. s5 q# l" D; w7 t. C# p
R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02
# i5 c9 x0 @' W7 V* Y2 sMP,EX,1,6.9E10- y# {5 j- \0 n( g/ m% x
MP,PRXY,1,0.336 j0 w) k6 R! u& J
MP,DENS,1,2900# q( I. A2 r2 B- ?' B- {% T$ v, D
SECTPYE,1,BEAM,HREC
/ Z2 B2 P+ F$ O3 rSECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012* e* S" @ H/ y1 G* u5 G
!桁架線(xiàn)體模型
1 a4 `/ r2 s& T' F0 EK,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1" M( u. C& P" G2 e
K,7,0.680,-0.150$K,8,0.680,-0.120
' p) U7 o* X- U7 U, j TL,1,2$L,2,6$L,4,7$L,2,7$L,5,76 j& n; P3 n; g; w2 r) }
K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360* K) p* Y; o# S' E |4 }
K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.3608 B& }4 H$ }9 O) R( J6 i
K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.3608 z% v8 ^' B9 M! f5 D
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15- p$ p O# J: d, p/ u! h
L,3,10$L,12,15$L,14,15
5 l1 q; X: m9 m; _L,8,16
% R$ Y6 w7 l$ W% [, L5 u I7 _K,17,0.356,-0.060$K,18,0.356,-0.060,-0.3605 L# Z0 R* I. ?$ `4 S
L,17,18
. G! J' W2 b, _& KK,19,1,0,-0.180
9 i9 W, O: d# O! E" P5 ^/ q!分網(wǎng)
0 p7 M: ?% z9 L" p7 ILESIZE,ALL,,,106 P* F% Z4 Q* l3 L: y1 ]2 B; v9 [
LMESH,ALL
/ g0 C4 _1 c3 QFINISH; J$ l& c& ?) L3 C
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究竟是ansys14的BEAM單元的問(wèn)題還是我自己的問(wèn)題，反正我就是不能用梁?jiǎn)卧赼nsys里求解。用solid95單元的話(huà)，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- s) J4 y, @+ L$ g! S
在線(xiàn)急等
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發(fā)表于 2014-3-5 20:15:49
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