一个桩土分析命令流，不收敛，求高手指导下，万谢

/prep7
et,1,plane42
et,2,solid45
mp,ex,1,3e10
mp,nuxy,1,0.2
mp,dens,1,2500
mp,ex,2,9e6
mp,nuxy,2,0.3
mp,dens,2,1600
TB,dp,2
tbdate,1,30,10,0
mp,ex,3,1.3e7
mp,nuxy,3,0.4
mp,dens,3,1900
tb,dp,3
tbdate,1,40,16,0
mp,ex,4,4e7
mp,nuxy,4,0.38
mp,dens,4,1800
tb,dp,4
tbdate,1,0,36,0
mp,ex,5,2.7e9
mp,nuxy,5,0.25
mp,dens,5,1850
mp,ex,6,3.6e9
mp,nuxy,6,0.25
mp,dens,6,2000

CYLIND, 0.8, 0, 0, 50, 0, 90
CYLIND, 0.8, 0, 0, 50, 90, 180
CYLIND, 0.8, 0, 0, 50, 180, 270
CYLIND, 0.8, 0, 0, 50, 270, 360
VGLUE, all
NUMCMP,all



CYLIND, 8, 0.8, 0, 10, 0, 90
CYLIND, 8, 0.8, 0, 10, 90, 180
CYLIND, 8, 0.8, 0, 10, 180, 270
CYLIND, 8, 0.8, 0, 10, 270, 360
VGLUE,5,6,7,8
NUMCMP,all

CYLIND, 8, 0.8, 10, 20, 0, 90
CYLIND, 8, 0.8, 10, 20, 90, 180
CYLIND, 8, 0.8, 10, 20, 180, 270
CYLIND, 8, 0.8, 10, 20, 270, 360
VGLUE,5,6,7,8,9,10,11,12,NV9
NUMCMP,all

CYLIND, 8, 0.8, 20, 45, 0, 90
CYLIND, 8, 0.8, 20, 45, 90, 180
CYLIND, 8, 0.8, 20, 45, 180, 270
CYLIND, 8, 0.8, 20, 45, 270, 360
VGLUE,9,10,11,12,13,14,15,16,NV9
NUMCMP,all

CYLIND, 8, 0.8, 45, 50, 0, 90
CYLIND, 8, 0.8, 45, 50, 90, 180
CYLIND, 8, 0.8, 45, 50, 180, 270
CYLIND, 8, 0.8, 45, 50, 270, 360
VGLUE,13,14,15,16,17,18,19,20,NV9
NUMCMP,all

CYLIND, 8, 0, 50, 100, 0, 90
CYLIND, 8, 0, 50, 100, 90, 180
CYLIND, 8, 0, 50, 100, 180, 270
CYLIND, 8, 0, 50, 100, 270, 360
VGLUE,21,22,23,24,
NUMCMP,all

VSEL,s,,,1,4,1
VATT,1,,2,ESYS
LSEL,s,,,1,2,1
LESIZE,all,0.1
LSEL,s,,,7,8,1
LESIZE,all,1
VMESH,1,4,1

VSEL,s,,,5,8,1
VATT,2,,2,ESYS
LSEL,s,,,34,35,1
LESIZE,all,0.5
LSEL,s,,,36,37,1
LESIZE,all,1
VMESH,5,8,1

VSEL,s,,,9,12,1
VATT,3,,2,ESYS
LSEL,s,,,57,58,1
LESIZE,all,0.5
LSEL,s,,,61,62,1
LESIZE,all,1
VMESH,9,12,1

VSEL,s,,,13,16,1
VATT,4,,2,ESYS
LSEL,s,,,78,79,1
LESIZE,all,0.5
LSEL,s,,,81,82,1
LESIZE,all,1
VMESH,13,16,1

VSEL,s,,,17,20,1
VATT,5,,2,ESYS
LSEL,s,,,98,99,1
LESIZE,all,0.5
LSEL,s,,,101,102,1
LESIZE,all,1
VMESH,17,20,1

VSEL,s,,,21,24,1
VATT,6,,2,ESYS
LSEL,s,,,118,119,1
LESIZE,all,1
LSEL,s,,,120,121,1
LESIZE,all,1
VMESH,21,24,1

ALLSEL
ET,3,170
ET,4,173
KEYOPT,4,9,0
KEYOPT,4,12,2
R,10
REAL,10
MP,mu,2,0.4

VSEL,s,,,1,4,1
VPLOT
ASEL,s,,,2,3,1
ASEL,a,,,7,8,1
ASEL,a,,,11,12,1
ASEL,a,,,15,16,1
APLOT
CM,target,area
TYPE,3
NSLA,s,1
ESURF,all


allsel
VSEL,s,,,5,8,1
VPLOT
ASEL,s,,,20
ASEL,a,,,28
ASEL,a,,,32
ASEL,a,,,36
APLOT
CM,contact,area
TYPE,4
NSLA,s,1
ESURF,all


VSEL,s,,,9,12,1
VPLOT
ASEL,s,,,40
ASEL,a,,,44
ASEL,a,,,48
ASEL,a,,,51
APLOT
CM,comtact,area
TYPE,4
NSLA,s,1
ESURF,all


VSEL,s,,,13,16,1
VPLOT
ASEL,s,,,56
ASEL,a,,,60
ASEL,a,,,64
ASEL,a,,,67
APLOT
CM,contact,area
TYPE,4
NSLA,s,1
ESURF,all


VSEL,s,,,17,20,1
VPLOT
ASEL,s,,,72
ASEL,a,,,76
ASEL,a,,,80
ASEL,a,,,83
APLOT
CM,contact,area
TYPE,4
NSLA,s,1
ESURF,all

VSEL,s,,,21,24,1
VPLOT
ASEL,s,,,85
ASEL,a,,,90
ASEL,a,,,94
ASEL,a,,,98
APLOT
CM,contact,area
TYPE,4
NSLA,s,1
ESURF,all


ALLSEL
GPLOT
SAVE
FINISH

/SOLU
VSEL,s,,,5,8,1
VPLOT
ASEL,s,,,19
ASEL,a,,,27
ASEL,a,,,31
ASEL,a,,,35
DA,all,all

ALLSEL
VPLOT
ASEL,s,,,38
ASEL,a,,,43
ASEL,a,,,47
ASEL,a,,,50
ASEL,a,,,54
ASEL,a,,,59
ASEL,a,,,63
ASEL,a,,,66
ASEL,a,,,70
ASEL,a,,,75
ASEL,a,,,79
ASEL,a,,,82
ASEL,a,,,86
ASEL,a,,,87
ASEL,a,,,91
ASEL,a,,,92
ASEL,a,,,95
ASEL,a,,,96
ASEL,a,,,99
ASEL,a,,,100
DA,all,all
allsel
vplot

ACEL,0,0,-9.8
ASEL,s,,,1
ASEL,a,,,6
ASEL,a,,,10
ASEL,a,,,14
SFA,all,LKEY,press,500


ANTYPE,static
NLGEOM,on
TIME,1
NSUB,100
OUTRES,all,all
ALLSEL
SOLV
FINISH