请大家帮我看看为什么一根拉索应力不连续？谢谢

命令流如下
/BATCH
/input,menust,tmp,'',,,,,,,,,,,,,,,,1
WPSTYLE,,,,,,,,0
/CWD,'C:\Documents and Settings\mqgs-108[挚面[凯树'
/FILNAME,5-7cable,0
/NOPR
/PMETH,OFF,0
KEYW,PR_SET,1
KEYW,PR_STRUC,1
KEYW,PR_THERM,0
KEYW,PR_FLUID,0
KEYW,PR_ELMAG,0
KEYW,MAGNOD,0
KEYW,MAGEDG,0
KEYW,MAGHFE,0
KEYW,MAGELC,0
KEYW,PR_MULTI,0
KEYW,PR_CFD,0
/GO
/PREP7
K, ,,,,
K, ,,,1500,
K, ,,,3000,
K, ,,,4500,
K, ,,,6000,
K, ,,,7500,
K, ,,,9000,
K, ,,,10500,
FLST,3,8,3,ORDE,2
FITEM,3,1
FITEM,3,-8
KGEN,2,P51X, , ,800, , , ,0
FLST,3,16,3,ORDE,2
FITEM,3,1
FITEM,3,-16
KGEN,2,P51X, , , ,1800, , ,0
LSTR, 25, 26
LSTR, 26, 27
LSTR, 27, 28
LSTR, 28, 29
LSTR, 29, 30
LSTR, 30, 31
LSTR, 31, 32
LSTR, 25, 18
LSTR, 18, 27
LSTR, 27, 20
LSTR, 20, 29
LSTR, 29, 22
LSTR, 22, 31
LSTR, 31, 24
LSTR, 17, 26
LSTR, 26, 19
LSTR, 19, 28
LSTR, 28, 21
LSTR, 21, 30
LSTR, 30, 23
LSTR, 23, 32
LSTR, 18, 26
LSTR, 19, 27
LSTR, 20, 28
LSTR, 21, 29
LSTR, 22, 30
LSTR, 23, 31
FLST,3,27,4,ORDE,2
FITEM,3,1
FITEM,3,-27
LGEN,4,P51X, , , ,1800, , ,0
FLST,3,16,3,ORDE,2
FITEM,3,65
FITEM,3,-80
KGEN,2,P51X, , , ,1800, , ,0
FLST,5,56,4,ORDE,8
FITEM,5,8
FITEM,5,-21
FITEM,5,35
FITEM,5,-48
FITEM,5,62
FITEM,5,-75
FITEM,5,89
FITEM,5,-102
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
ET,1,LINK10
ET,2,LINK8
R,1,152.81,0.0018,
R,2,38.2,0.0012,
R,3,1962.5, ,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,1.1e5
MPDATA,PRXY,1,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,2,,2.06e5
MPDATA,PRXY,2,,0.3
FLST,5,56,4,ORDE,8
FITEM,5,8
FITEM,5,-21
FITEM,5,35
FITEM,5,-48
FITEM,5,62
FITEM,5,-75
FITEM,5,89
FITEM,5,-102
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMSEL,S,_Y1
LATT,1,1,1, , , ,
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
LSTR, 82, 66
LSTR, 66, 50
LSTR, 50, 34
LSTR, 34, 26
LSTR, 26, 10
LSTR, 89, 73
LSTR, 73, 57
LSTR, 57, 41
LSTR, 41, 18
LSTR, 18, 2
LSTR, 94, 78
LSTR, 78, 62
LSTR, 62, 46
LSTR, 46, 19
LSTR, 19, 3
LSTR, 83, 67
LSTR, 67, 51
LSTR, 51, 35
LSTR, 35, 27
LSTR, 27, 11
LSTR, 84, 68
LSTR, 68, 52
LSTR, 52, 36
LSTR, 36, 28
LSTR, 28, 12
LSTR, 90, 74
LSTR, 74, 58
LSTR, 58, 42
LSTR, 42, 20
LSTR, 20, 4
LSTR, 85, 69
LSTR, 69, 53
LSTR, 53, 37
LSTR, 37, 29
LSTR, 29, 13
LSTR, 95, 79
LSTR, 79, 63
LSTR, 63, 47
LSTR, 47, 21
LSTR, 21, 5
LSTR, 86, 70
LSTR, 70, 54
LSTR, 54, 38
LSTR, 38, 30
LSTR, 30, 14
LSTR, 91, 75
LSTR, 75, 59
LSTR, 59, 43
LSTR, 22, 43
LSTR, 22, 6
LSTR, 87, 71
LSTR, 71, 55
LSTR, 55, 39
LSTR, 39, 31
LSTR, 31, 15
LSTR, 96, 80
LSTR, 80, 64
LSTR, 64, 48
LSTR, 48, 23
LSTR, 23, 7
/PREP7
R,4,38.2,0.0012,
FLST,5,56,4,ORDE,8
FITEM,5,8
FITEM,5,-21
FITEM,5,35
FITEM,5,-48
FITEM,5,62
FITEM,5,-75
FITEM,5,89
FITEM,5,-102
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMSEL,S,_Y1
LATT,1,1,1, , , ,
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
FLST,5,60,4,ORDE,2
FITEM,5,109
FITEM,5,-168
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMSEL,S,_Y1
LATT,1,2,1, , , ,
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
FLST,5,28,4,ORDE,8
FITEM,5,1
FITEM,5,-7
FITEM,5,28
FITEM,5,-34
FITEM,5,55
FITEM,5,-61
FITEM,5,82
FITEM,5,-88
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMSEL,S,_Y1
LATT,1,4,1, , , ,
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
FLST,5,24,4,ORDE,8
FITEM,5,22
FITEM,5,-27
FITEM,5,49
FITEM,5,-54
FITEM,5,76
FITEM,5,-81
FITEM,5,103
FITEM,5,-108
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMSEL,S,_Y1
LATT,2,3,2, , , ,
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
LESIZE,ALL, , ,1, ,1, , ,1,
/UI,MESH,OFF
/UI,MESH,OFF
TYPE, 1
MAT, 1
REAL, 1
ESYS, 0
SECNUM,
/CWD,'C:\Documents and Settings\mqgs-108[挚面[凯树'
FINISH
/PREP7
FLST,2,168,4,ORDE,2
FITEM,2,1
FITEM,2,-168
LMESH,P51X
FINISH
/SOL
FLST,2,40,1,ORDE,18
FITEM,2,1
FITEM,2,8
FITEM,2,12
FITEM,2,-13
FITEM,2,17
FITEM,2,24
FITEM,2,28
FITEM,2,-29
FITEM,2,33
FITEM,2,40
FITEM,2,44
FITEM,2,-45
FITEM,2,49
FITEM,2,56
FITEM,2,60
FITEM,2,-61
FITEM,2,65
FITEM,2,-88
/GO
D,P51X, ,0, , , ,ALL, , , , ,
FLST,2,24,1,ORDE,8
FITEM,2,2
FITEM,2,-7
FITEM,2,18
FITEM,2,-23
FITEM,2,34
FITEM,2,-39
FITEM,2,50
FITEM,2,-55
/GO
F,P51X,FZ,-1944
FLST,2,4,1,ORDE,4
FITEM,2,2
FITEM,2,18
FITEM,2,34
FITEM,2,50
/GO
F,P51X,FX,-2559
FLST,2,4,1,ORDE,4
FITEM,2,3
FITEM,2,19
FITEM,2,35
FITEM,2,51
/GO
F,P51X,FX,-2880
FLST,2,4,1,ORDE,4
FITEM,2,4
FITEM,2,20
FITEM,2,36
FITEM,2,52
/GO
F,P51X,FX,-3119
FLST,2,4,1,ORDE,4
FITEM,2,5
FITEM,2,21
FITEM,2,37
FITEM,2,53
/GO
F,P51X,FX,-3308
FLST,2,4,1,ORDE,4
FITEM,2,6
FITEM,2,22
FITEM,2,38
FITEM,2,54
/GO
F,P51X,FX,-3470
FLST,2,4,1,ORDE,4
FITEM,2,7
FITEM,2,23
FITEM,2,39
FITEM,2,55
/GO
F,P51X,FX,-3610
ANTYPE,0
NLGEOM,1
/CWD,'C:\Documents and Settings\mqgs-108[挚面[凯树'
SOLVE
FINISH
/POST1
AVPRIN,0, ,
ETABLE,zyli,LS, 1