ANSYS接触滑移分析遇到该错误，求大神指点？
鄙人是菜鸡，用的命令流和GUI交互操作，具体操作指令来自.log文件，请大神见谅，
出现错误如下：
The L-2 norm of the residual force overflowed. This may be caused by
PRED,ON or birth/dead elements. Please use PRED,OFF and try again.
.log中的具体命令为
/PREP7
!*
ET,1,SHELL181
KEYOPT,1,1,0
KEYOPT,1,3,0
KEYOPT,1,8,1
KEYOPT,1,9,0
!*
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,167000000000
MPDATA,PRXY,1,,0.28
MPTEMP,,,,,,,,
MPTEMP,1,0
UIMP,1,REFT,,,
MPDATA,ALPX,1,,3.29e-6
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,2,,60000000000
MPDATA,PRXY,2,,0.17
MPTEMP,,,,,,,,
MPTEMP,1,0
UIMP,2,REFT,,,
MPDATA,ALPX,2,,0.55e-6
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,3,,2.84e10
MPDATA,PRXY,3,,0.24
MPTEMP,,,,,,,,
MPTEMP,1,0
UIMP,3,REFT,,,
MPDATA,ALPX,3,,4.8e-6
!*
tb,czm,4,1,,bili
tbdata,1,1e10,1e-9,3e8,5e-4,1,1
!*
sect,1,shell,,
secdata, 675e-6,1,0.0,3
secoffset,TOP
seccontrol,,,, , , ,
!*
sect,2,shell,,
secdata, 1.5e-007,2,0,3
secdata, 5e-007,1,0,3
secdata, 1e-006,3,0,3
secoffset,BOT
seccontrol,0,0,0, 0, 1, 1, 1
!*
PCIRC,0.0762, ,0,90,
PCIRC,0.0762, ,0,90,
!*
sect,2,shell,,
secdata, 1.5e-007,2,0,3
secdata, 5e-007,1,0,3
secdata, 1e-006,3,0,3
secoffset,BOT
seccontrol,0,0,0, 0, 1, 1, 1
CM,_Y,AREA
ASEL, , , , 1
CM,_Y1,AREA
CMSEL,S,_Y
!*
CMSEL,S,_Y1
AATT, 1, , 1, 0, 1
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
CM,_Y,AREA
ASEL, , , , 2
CM,_Y1,AREA
CMSEL,S,_Y
!*
CMSEL,S,_Y1
AATT, 1, , 1, 0, 2
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
!*
LESIZE,ALL, , ,20, ,1, , ,1,
MSHAPE,0,2D
MSHKEY,1
!*
FLST,5,2,5,ORDE,2
FITEM,5,1
FITEM,5,-2
CM,_Y,AREA
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
/UI,MESH,OFF
SAVE
!*
!*
/COM, CONTACT PAIR CREATION - START
CM,_NODECM,NODE
CM,_ELEMCM,ELEM
CM,_KPCM,KP
CM,_LINECM,LINE
CM,_AREACM,AREA
CM,_VOLUCM,VOLU
/GSAV,cwz,gsav,,temp
inistate,set,mat,3
inistate,defi,,,,,1e9,1e9
MP,MU,1,
MAT,4
R,3
REAL,3
ET,2,170
ET,3,174
KEYOPT,3,9,0
KEYOPT,3,10,2
R,3,
RMORE,
RMORE,,0
RMORE,0
! Generate the target surface
ASEL,S,,,1
CM,_TARGET,AREA
TYPE,2
NSLA,S,1
ESLN,S,0
ESLL,U
ESEL,U,ENAME,,188,189
NSLE,A,CT2
ESURF
CMSEL,S,_ELEMCM
! Generate the contact surface
ASEL,S,,,2
CM,_CONTACT,AREA
TYPE,3
NSLA,S,1
ESLN,S,0
NSLE,A,CT2 ! CZMESH patch (fsk qt-40109 8/2008)
ESURF
*SET,_REALID,3
ALLSEL
ESEL,ALL
ESEL,S,TYPE,,2
ESEL,A,TYPE,,3
ESEL,R,REAL,,3
/PSYMB,ESYS,1
/PNUM,TYPE,1
/NUM,1
EPLOT
! Reverse target normals
ESEL,NONE
ESEL,A,TYPE,,2
ESEL,R,REAL,,3
ESURF,,REVERSE
ESEL,ALL
ESEL,S,TYPE,,2
ESEL,A,TYPE,,3
ESEL,R,REAL,,3
/PSYMB,ESYS,1
/PNUM,TYPE,1
/NUM,1
EPLOT
!
ESEL,ALL
ESEL,S,TYPE,,2
ESEL,A,TYPE,,3
ESEL,R,REAL,,3
CMSEL,A,_NODECM
CMDEL,_NODECM
CMSEL,A,_ELEMCM
CMDEL,_ELEMCM
CMSEL,S,_KPCM
CMDEL,_KPCM
CMSEL,S,_LINECM
CMDEL,_LINECM
CMSEL,S,_AREACM
CMDEL,_AREACM
CMSEL,S,_VOLUCM
CMDEL,_VOLUCM
/GRES,cwz,gsav
CMDEL,_TARGET
CMDEL,_CONTACT
/COM, CONTACT PAIR CREATION - END
/MREP,EPLOT
!*
KEYOPT,3,1,0
KEYOPT,3,2,0
KEYOPT,3,4,0
KEYOPT,3,5,2
KEYOPT,3,6,0
KEYOPT,3,7,1
KEYOPT,3,8,0
KEYOPT,3,9,0
KEYOPT,3,10,0
KEYOPT,3,11,1
KEYOPT,3,12,2
KEYOPT,3,14,0
KEYOPT,3,15,0
KEYOPT,3,16,0
!*
R,3,0,0,1, 0.001,0,0
RMORE,0,0,0, 0,0,0
RMORE,0,,, ,,
RMORE,,,0, 0,,
RMORE,,,,,,
RMORE,,,,,
!*
FLST,2,4,4,ORDE,4
FITEM,2,2
FITEM,2,-3
FITEM,2,5
FITEM,2,-6
DL,P51X, ,SYMM
FLST,2,2,1,ORDE,2
FITEM,2,22
FITEM,2,353
!*
/GO
D,P51X, , , , , ,ALL, , , , ,
FINISH
/SOL
SAVE
ALLSEL,ALL
!*
!*
NLGEOM,1
NROPT,FULL, ,
STAOPT,DEFA
LUMPM,0
EQSLV, , ,0, ,DELE
MSAVE,0
PCGOPT,0, ,AUTO, , ,AUTO
PIVCHECK,0
PSTRESS,0
TOFFST,0,
!*
!*
TIME,0.1
AUTOTS,1
NSUBST,100,1e6,10,1
KBC,0
!*
TSRES,ERASE
!*
NLGEOM,1
NROPT,FULL, ,OFF
STAOPT,DEFA
LUMPM,0
EQSLV, , ,0, ,DELE
MSAVE,0
PCGOPT,0, ,AUTO, , ,AUTO
PIVCHECK,1
PSTRESS,0
TOFFST,0,
!*
NEQIT,25,
!*
PRED,OFF
LNSRCH,1
SAVE
求各位大神指点错误出现原因
技术工 
