请大侠拔刀

横之爱

各位大侠，我在模拟冻土墙支护下的基坑开挖。我在用小模型算时，没什么错误，一上实际模型，就出错，因error in element formulation而终止分析。
想请各位大侠诊断诊断。
/PREP7  
!*  
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,1,,122222
MPDATA,PRXY,1,,0.2  
MPDE,EX,1   
MPDE,PRXY,1
MPDE,NUXY,1
!*  
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,1,,2010.2   
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDE,EX,1   
MPDE,EY,1   
MPDE,EZ,1   
MPDE,NUXY,1
MPDE,NUYZ,1
MPDE,NUXZ,1
MPDE,PRXY,1
MPDE,PRYZ,1
MPDE,PRXZ,1
MPDE,GXY,1  
MPDE,GYZ,1  
MPDE,GXZ,1  
MPDATA,EX,1,,15000000   
MPDATA,PRXY,1,,0.32
TB,DP,1,,,0
TBMODIF,1,1,6000
TBMODIF,1,2,15.5
TBMODIF,1,3,
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,2,,150000000  
MPDATA,PRXY,2,,0.14
TB,DP,2,,,0
TBMODIF,1,1,1800000
TBMODIF,1,2,23.5
TBMODIF,1,3,
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,2,,1887.8   
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,3,,32500000000
MPDATA,PRXY,3,,0.17
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,3,,2551
!*  
TB,DP,3,,,0
TBMODIF,1,1,2000000
TBMODIF,1,2,38  
TBMODIF,1,3,
!*  
ET,1,PLANE42
!*  
KEYOPT,1,1,0
KEYOPT,1,2,0
KEYOPT,1,3,1
KEYOPT,1,5,0
KEYOPT,1,6,0
BLC4, , ,180,110
BLC4,30,30,5,80
A***A,       1,       2  
BLC4,30,30,5,80
FLST,2,2,5,ORDE,2   
FITEM,2,1   
FITEM,2,3   
AGLUE,P51X  
/REPLOT,RESIZE  
/DIST,1,0.924021086472,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
lplot   
/DIST,1,0.924021086472,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
K,100,28,,,
K,101,28,110,,  
L,     101,     100
/ZOOM,1,SCRN,-0.230092,0.105390,-0.194953,-0.062454
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/FOC,1,,-0.3,,1
/REP,FAST   
/FOC,1,,-0.3,,1
/REP,FAST   
/FOC,1,,-0.3,,1
/REP,FAST   
/ZOOM,1,SCRN,0.296991,-0.191264,0.296991,-0.191264  
!*  
LEXTND,12,9,30,0
!*  
LEXTND,7,10,30,0
/DIST,1,0.924021086472,1
/REP,FAST   
/DIST,1,0.924021086472,1
/REP,FAST   
/DIST,1,0.924021086472,1
/REP,FAST   
/DIST,1,0.924021086472,1
/REP,FAST   
/DIST,1,0.924021086472,1
/REP,FAST   
/FOC,1,0.3,,,1  
/REP,FAST   
/FOC,1,0.3,,,1  
/REP,FAST   
/FOC,1,,0.3,,1  
/REP,FAST   
/FOC,1,,0.3,,1  
/REP,FAST   
/FOC,1,,-0.3,,1
/REP,FAST   
FLST,3,3,4,ORDE,3   
FITEM,3,5   
FITEM,3,-6  
FITEM,3,8   
A***L,       2,P51X  
/DIST,1,0.924021086472,1
/REP,FAST   
FLST,2,5,5,ORDE,3   
FITEM,2,1   
FITEM,2,3   
FITEM,2,-6  
AGLUE,P51X  
/DIST,1,0.924021086472,1
/REP,FAST   
/FOC,1,-0.3,,,1
/REP,FAST   
/FOC,1,0.3,,,1  
/REP,FAST   
FLST,5,4,5,ORDE,2   
FITEM,5,3   
FITEM,5,-6  
CM,_Y,AREA  
ASEL, , , ,P51X
CM,_Y1,AREA
CMSEL,S,_Y  
!*  
CMSEL,S,_Y1
AATT,       1, ,   1,       0,  
CMSEL,S,_Y  
CMDELE,_Y   
CMDELE,_Y1  
!*  
CM,_Y,AREA  
ASEL, , , ,       1
CM,_Y1,AREA
CMSEL,S,_Y  
!*  
CMSEL,S,_Y1
AATT,       2, ,   1,       0,  
CMSEL,S,_Y  
CMDELE,_Y   
CMDELE,_Y1  
!*  
FLST,5,7,4,ORDE,7   
FITEM,5,2   
FITEM,5,4   
FITEM,5,-5  
FITEM,5,7   
FITEM,5,10  
FITEM,5,12  
FITEM,5,15  
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1,0.8, , , , , , ,1
!*  
FLST,5,2,4,ORDE,2   
FITEM,5,16  
FITEM,5,-17
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1,1, , , , , , ,1  
!*  
FLST,5,5,4,ORDE,5   
FITEM,5,3   
FITEM,5,9   
FITEM,5,11  
FITEM,5,19  
FITEM,5,-20
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1,0.8, , , , , , ,1
!*  
FLST,5,2,4,ORDE,2   
FITEM,5,13  
FITEM,5,18  
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1,1.6, , ,0.5, , , ,1  
!*  
/ZOOM,1,SCRN,-0.312083,-0.733829,-0.273040,-0.807993
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
FLST,5,1,4,ORDE,1   
FITEM,5,18  
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1,1, , ,0.5, , , ,1
!*  
/ZOOM,1,SCRN,0.336034,0.027323,0.371173,-0.058550   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/AUTO,1
/REP,FAST   
FLST,5,1,4,ORDE,1   
FITEM,5,13  
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
!*  
LESIZE,_Y1,1, , ,0.5, , , ,1
!*  
FLST,2,2,4,ORDE,2   
FITEM,2,10  
FITEM,2,12  
LCCAT,P51X  
FLST,2,2,4,ORDE,2   
FITEM,2,7   
FITEM,2,15  
LCCAT,P51X  
MSHAPE,0,2D
MSHKEY,1
!*  
CM,_Y,AREA  
ASEL, , , ,       4
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
!*  
AMESH,_Y1   
!*  
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
!*  
FLST,5,3,5,ORDE,3   
FITEM,5,1   
FITEM,5,3   
FITEM,5,6   
CM,_Y,AREA  
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
!*  
AMESH,_Y1   
!*  
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
!*  
CM,_Y,AREA  
ASEL, , , ,       5
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
!*  
AMESH,_Y1   
!*  
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
!*  
elist,all,,,0,0
/DIST,1,0.924021086472,1
/REP,FAST   
/DIST,1,0.924021086472,1
/REP,FAST   
/DIST,1,1.08222638492,1
/REP,FAST   
/AUTO,1
/REP,FAST   
LPLOT   
FINISH  
/SOL
!*  
!*  
ANTYPE,0
ANTYPE,0
NLGEOM,1
NSUBST,20,10000,10  
OUTRES,ERASE
OUTRES,ALL,5
AUTOTS,1
CUTCONTROL,PLSLIMIT,0.6
NEQIT,25
NLGEOM,1
NROPT,FULL, ,ON
LUMPM,0
EQSLV, , ,0,
PRECISION,0
MSAVE,0
PIVCHECK,0  
SSTIF   
PSTRES  
TOFFST,0,   
!*  
ALLSEL,ALL  
NSEL,S,LOC,X,   
FLST,2,139,1,ORDE,4
FITEM,2,1   
FITEM,2,168
FITEM,2,196
FITEM,2,-332
!*  
/GO
D,P51X, , , , , ,UX, , , , ,
NSEL,S,LOC,X,180
FLST,2,139,1,ORDE,3
FITEM,2,5422
FITEM,2,5567
FITEM,2,-5704   
!*  
/GO
D,P51X, , , , , ,UX, , , , ,
NSEL,S,LOC,Y,   
FLST,2,184,1,ORDE,8
FITEM,2,1   
FITEM,2,-29
FITEM,2,4840
FITEM,2,-4847   
FITEM,2,5144
FITEM,2,-5145   
FITEM,2,5422
FITEM,2,-5566   
!*  
/GO
D,P51X, , , , , ,UY, , , , ,
ALLSEL,ALL  
ACEL,0,9.8,0,   
ALLSEL,ALL  
/STATUS,SOLU
SOLVE

横之爱

材料1 是砂土
材料2 是冻土墙
材料3 是衬砌混凝土