接触问题

各位，在计算一个接触问题时，出现约束条件问题（约束不够），请帮忙看看，如何解决？

finish
/clear
/prep7

ET,1,SOLID187
ET,2,TARGE170         
ET,3,CONTA174,,,,,1  
et,4,link10
et,5,beam4
  
R,1,,,0.1         
MP,EX,1,2E11     !钢
MP,PRXY,1,0.3

mp,ex,2,0.8e11   !钢丝绳
mp,prxy,2,0.3

mp,ex,3,7e10      !铝合金
mp,prxy,3,0.3

mp,ex,4,2e14      !定义刚臂材料
mp,prxy,1,0.3

r,2,0.2826e-4,0.8939e-3   !T=2021N

r,5

r,6,0.2826,0.8939


wprota,,33,
cylind,0.0045,0.0065,,0.04

cylind,0.0045,0.0065,,-0.04

cylind,0.0045,0.0065,0.04,0.06

wpoffs,,,-0.02
wprota,,57

vsbw,2,sepo,dele,
vdele,4,,,1

l,45,48
l,46,47

lsel,s,line,,21,22
linl,all

l,46,17
l,17,47
l,45,17
l,17,48

k,70,0,1.4526,-2.2818
l,17,70

allse
vsel,all
vsel,s,,,1
vatt,3,5,1
esize,0.001
vmesh,all

vsel,s,,,5
vatt,1,5,1
esize,0.001
vmesh,all

vsel,s,,,3
vatt,1,5,1
esize,0.001
vmesh,all

lsel,s,,,21,24,1
latt,4,6,5
esize,,1
lmesh,all


lsel,s,,,25
latt,2,2,4
esize,,1
lmesh,all

allsel

asel,s,,,13,29,16
nsla,s,1
real,1
type,2
esurf

allsel

asel,s,,,1,2,1
nsla,s,1
real,1
type,3
esurf

allse

asel,s,,,30
da,all,ux
da,all,uy
da,all,uz

d,64451,all

allsel

/solu
LNSRCH,ON
AUTOTS,ON
NSUBST,5,10,3
OUTRES,ALL,ALL
SOLVE
FINISH