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yujunhui

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[交流] ansys 模拟管材轧制出错，请指点？

本人 ansys 12.0 版本，在网上找到一个ansys模拟管材轧制的例子，按照相应的命令流做的时候，结果出错，请指点？不胜感激！以下是命令流！
*SET,r1,59.2
*SET,r2,280
*SET,r3,50
*SET,ex,4
*SET,alpha1,47.74
*SET,alpha2,42.37
*SET,sp,10
*SET,b,151.9
*SET,h,110.4
*SET,loc1x,-148.5
*SET,loc1y,-167.4
*SET,loc2x,0
*SET,loc2y,-4
*SET,loc3x,95.3067
*SET,loc3y,54.9922
*SET,deltax1,5
*SET,circum,390.07
*SET,thin1,11.5
*SET,dia1,130
*SET,r1out,dia1/2
*SET,r1in,dia1/2-thin1
*SET,biteangle1,23.1155
*SET,dist,66.6611

/PREP7
wpoff,0,loc2y,0
cyl4, , ,r1,alpha1,r1,90
csys,0
wpave,0,0,0
csys,0
wpoff,loc3x,loc3y,0
pcirc,r3, ,alpha2+180,270,
csys,0
wpave,0,0,0
asel,s,,,1,2,1
adele,all
lplot
lsel,s,,,2,3,1
lsel,a,,,5,6,1
ldele,all,,,1
allsel
k,,loc1x,loc1y
larc,1,4,3,r2
kdele,3
lplot
lsel,s,,,1,2,1
lsel,a,,,4
lcomb,all,,0
lplot

/pnum,kp,1
numcmp,kp
k,,loc3x+deltax1,sp/2
k,,loc3x+deltax1,75
k,,loc3x+deltax1,225
k,,loc3x,225
k,,0,225
k,,646,75
k,,651,80
k,,651,225
l,7,6
l,6,2
l,2,3
l,3,4
l,4,5
l,5,6
l,4,8
l,8,9
l,9,10
l,10,5
lfillt,5,8,10
l,4,11

lsel,all
lsymm,x,all,,,,0,0

lsel,s,,,2
lsel,a,,,15
lglue,all

lsel,s,,,1
lsel,a,,,14
lglue,all

lsel,s,,,1,3,1
lsel,a,,,15,16,1
lsel,a,,,27
al,all

lsel,s,,,21,26,1
lsel,a,,,19
al,all

lsel,s,,,8,13,1
lsel,a,,,6
al,all

lsel,s,,,3,7,1
lsel,a,,,13
al,all

lsel,s,,,16,20,1
lsel,a,,,26
al,all

aplot

asel,s,,,1,5,1
vrotat,all,,,,,,10,24,360

vsel,s,,,1,6,5
vsel,a,,,11,16,5
vadd,all
vplot

vsel,s,,,3,8,5
vsel,a,,,13,18,5
vadd,all
vplot

vsel,s,,,2,7,5
vsel,a,,,12,17,5
vadd,all
vplot

vsel,s,,,5,10,5
vsel,a,,,15,20,5
vadd,all
vplot

vsel,s,,,4,9
vsel,a,,,14,19,5
vadd,all
vplot

vsel,s,,,2,5,3
vsel,a,,,21
vadd,all
vplot

numcmp,all

vsel,s,,,1,3,1
vsymm,y,all,,,,0,0

wpoff,,,-100
CYL4, , ,49.7, , , ,700

wpro,,,90.000000
wpro,,,90.000000
cone,49.7,20,0,100,0,360,
wpro,,,-90.000000
wpro,,,-90.000000
wpave,0,0,0
csys,0

vadd,7,8

wpoff,0,0,dist+100
cyl4, , ,r1in, ,r1out, ,400
csys,0
wpave,0,0,0
csys,0
numcmp,all
allsel,all

et,1,solid164
keyopt,1,1,1
mp,ex,1,104.4e9
mp,dens,1,7870
mp,nuxy,1,0.4878
tb,plaw,1,,,1
tbdat,1,245e6
tbdat,2,35.08e9
tbdat,3,0
tbdat,4,40.0
tbdat,5,5.0
tbdat,6,0.75

mp,ex,2,170e9
mp,nuxy,2,0.25
mp,dens,2,7096
edmp,rigid,2,7,5

mp,ex,3,170e9
mp,nuxy,3,0.25
mp,dens,3,7096
edmp,rigid,3,7,5

mp,ex,4,ex,205e9
mp,nuxy,4,0.28
mp,dens,4,7830
edmp,rigid,4,4,7

type,1
mat,1
exto,vswe,auto,on
vsweep,7

type,1
mat,2
smrt,6
mshape,1,3d
mshkey,0
vmesh,1,2

smrt,5
mshape,1,3d
mshkey,0
vmesh,3

type,1
mat,3
smrt,6
mshape,1,3d
mshkey,0
vmesh,4,5

smrt,5
mshape,1,3d
mshkey,0
vmesh,6

type,1
mat,4
exto,vswe,auto,on
vsweep,5

numcmp,all
allsel,all

edpart,create

esel,s,mat,,1
nsle,s
cm,tube,node
allsel,all


edcgen,fnts, 1, 2,0.2,0,0,0,0, , , , ,0,10000000,0,0
edcgen,fnts, 1, 3,0.2,0,0,0,0, , , , ,0,10000000,0,0
edcgen,fnts, 1, 4,0.2,0,0,0,0, , , , ,0,10000000,0,0000,0,0

edcontact,0.1,0,2,1,4,1,1,4,0
edsp,off,,,1

edve,velo,tube,0,0,-1000,0,0,0,,,,,,,

/solu

*dim,time,,2
time(1)=0,1
*dim,rotrolling,,2
rotrolling(1) = 69.5,79.05

*dim,velmandril,,2
velmandril(1,1,1) = -1600,-1610

wpoff,0,225,0

edload,add,rbox,0,2,time,rotrolling,0,,,,,

wpoff,0,-450,0

edload,add,rbox,0,3,time,rotrolling,0,,,,,

csys,0

wpave,0,0,0

csys,0

edload,add,rbvz,0,4,time,velmandril,0,,,,,

edenergy,1,1,0,0
time,1
edrst,100
edhtime,1000
eddump,1
solve
finish

[ Last edited by yujunhui on 2013-4-6 at 18:15 ]

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1楼 2013-04-05 21:03:06

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

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小木虫: 金币+0.5, 给个红包，谢谢回帖
yujunhui: 金币+10, 可以给点意见吗？怎么修改？谢谢 2013-04-09 23:23:20
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试了一下，出现错误信息：你的模型中缺少约束。
在 ANSYS/Ls-Dyna 中，约束是用 EDLOAD 命令定义的。检查你的命令流，有三个 EDLOAD 命令，分别用来定义角速度和速度随时间的变化，但是没有对位移自由度施加任何约束，因此整个模型一受力就会出现刚体运动，飞向远方。