我在做斜拉桥,建模后,在加重力时,遇到问题,请大家帮我看哈我的命令流,我也不晓问题在哪儿。
FINISH !退出以前模块
/CLEAR,NOSTART !清除内存中的所有数据,不读入初始化文件
/filename,bridge
/Title,bridge.txt, gravity analysis of Deep Beam Under Uniform Force
/PREP7 !进入前处理模块PREP7
csys,0 !迪卡儿坐标系
!桥面和桥塔
et,1,beam3
!桥面
R,1,3.105E4,1.936E9,720
!桥塔
!R,2,1334.8,1.485E5,35.635,
R,2,1E6,83333333333.33,1000,
MP,EX,1,2.1e5 !MPA
MP,PRXY,1,0.3
MP,DENS,1,7.5E-9 !单位为t/mm3
!拉索
et,2,link10 !定义拉索的截面面积(按给定的截面来,所有长度单位为mm力单位为n,应力单位为Mpa)
R,3,933.96
R,4,818.5
R,5,601.3
R,6,301.7
MP,EX,2,1.6E5
MP,PRXY,2,0.3
MP,DENS,2,7.5E-9
!!!!!!!
K,1,0,0
K,2,10000,0
K,3,30000,0
K,4,50000,0
K,5,70000,0
K,6,90000,0
K,7,110000,0
K,8,130000,0
K,9,150000,O
K,10,150000,10000
K,11,170000,10000
K,12,170000,0
K,13,190000,0
K,14,210000,0
K,15,230000,0
K,16,250000,0
K,17,270000,0
K,18,290000,O
K,19,310000,0
!!!
K,20,160000,-10000
K,21,160000,40789
!!桥面
*DO,I,1,18
L,I,I+1
*enddo
!桥塔
L,20,21
!拉索
*DO,I,2,9
L,I,21
*enddo
*DO,I,12,19
L,I,21
*enddo
/PNUM,KP
!剖分桥面
lesize,,10
LATT,1,1,1,
lmesh,1,18,1,,,
!剖分桥塔
LATT,1,2,1,
lmesh,19
!剖分拉索
LATT,2,3,2,
lmesh,20,21,1,,,
lmesh,34,35,1,,,
LATT,2,4,2,
lmesh,22,23,1,,,
lmesh,32,33,1,,,
LATT,2,5,2,
lmesh,24,25,1,,,
lmesh,30,31,1,,,
LATT,2,6,2,
lmesh,26,29,1,,,
!对称复制模型
LSYMM,x,2,35,1,,0,0
!连接模型
l,1,22
LATT,1,1,1, , , ,
lmesh,70
!添加约束(相应的节点)
d,62,all
d,59,all
d,258,all
d,255,all
allsel,all !选择全部
/SOLU
ANTYPE,0
ACEL,,9800, !加重力(注意单位和方向mm/S3)
alls
solve
finish
save |