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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
9 _; U4 e8 _, r/ T0 I问题是这样的:) A5 T& h2 c, r. d3 r
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。
/ [ r' S, `# w N+ C4 b2 X这个是我写的APDL代码
8 J6 H K0 O) Y) \* _8 T!桁架分析; S/ |3 l- G1 \3 k, C
FINISH$/CLEAR$/PREP7
9 L0 p0 W) G/ b8 E% M y!方铝截面' f% X& ~+ ~" g" P4 c+ q' Y
ET,1,BEAM4% X0 J6 p1 C+ y/ U
R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02# [0 F V# G, v1 c- x! v
MP,EX,1,6.9E10. @) G) A3 y# `9 x- B. }
MP,PRXY,1,0.33* E9 E0 z1 H5 d9 T: C
MP,DENS,1,29003 j9 t. r& T! [! D1 Y/ y
SECTPYE,1,BEAM,HREC, H* X3 N/ w- N2 w
SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012* e3 y$ b N" @# ]
!桁架线体模型
5 S% T, q2 h; o5 i0 H f& I. KK,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
1 ^: m' W1 L" E. x; y' }6 RK,7,0.680,-0.150$K,8,0.680,-0.120
/ U7 I& G* @1 i, X1 I: v7 {L,1,2$L,2,6$L,4,7$L,2,7$L,5,74 f- T9 o3 Q g1 @) G
K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360$ W5 I5 u6 [* S/ n% o' X5 P
K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
7 K9 P2 [0 b$ R4 S0 c$ VK,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.3600 n/ w4 S. A& v `
L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15
s7 D' y; z& @- b% C6 O OL,3,10$L,12,15$L,14,15
6 M) D3 H( G- e0 \$ D8 y" C0 bL,8,166 a, d$ ^+ k* s' N
K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360+ _* r5 y$ u Q1 @. O- l' U+ ?9 a; M
L,17,18
! e9 z* l0 F( L; UK,19,1,0,-0.180& m b F: A# x9 D
!分网
' n! ^' {; v3 aLESIZE,ALL,,,10
5 D; U# O9 }$ P# G0 cLMESH,ALL1 K8 w1 z; g+ Y3 G; L1 L
FINISH
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6 `& R+ @8 g- J5 `" r% Q- k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^T7 j' w7 d+ w/ H* G5 \
在线急等- @7 E9 E: S! s6 e
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