求教电阻点焊指点

求各位大神指点，我做的是电阻点焊不同材料不等厚的数值模拟，不知怎么温度场一直就是在电极上，求指点

/prep7
*SET,f,
*SET,r_alcu,0.50e-5
*SET,r_zncu,0.42e-5
*SET,r_alzn,1.30e-5
et,1,PLANE67
keyopt,1,3,1
KEYOPT,1,4,0
mptemp,1,21,204,426,649,871,1091
mpdata,rsvx,1,1,2.64e-8,3.99e-8,6.19e-8,8.00e-8,9.480e-8,9.48e-8
mptemp,1,21,204,426,649,871,1091
mpdata,kxx, 1,1,390,370,345,320,310,301
mptemp,1,21,204,426,649,871,1091
mpdata,c,1,1,398,420,443,465,480,480
mp,dens,1,8900
mptemp,1,21,100,200,300,400
mpdata,rsvx,2,1,4.93e-8,5.73e-8,6.73e-8,7.73e-8,8.73e-8
mptemp,1,21,100,200,300,400
mpdata,kxx, 2,1,117.2,121,126,130,138
mptemp,1,21,100,200,300,400
mpdata,c,2,1,921,921,1005,1407,1089
mp,dens,2,2640
mptemp,1,20,200,400,600,800,1300
mpdata,rsvx,3,1,0.142e-6,0.262e-6,0.458e-6,0.734e-6,1.081e-6,1.220e-6
mptemp,1,50,150,300,650,700,750
mpdata,c,3,1,481,523,569,858,1139,960
mptemp,1,20,200,600,800,1000,1200
mpdata,kxx, 3,1,65.3,54.9,45.2,36.4,28.5,29.7
mp,dens,3,7800
mp,c,4,390
mp,dens,4,7133
mp,kxx,4,270
mp,rsvx,4,4.7e-8
mp,c,5,921
mp,dens,5,2640
mp,kxx,5,117.2
mptemp,1,21,204,426
mpdata,rsvx,5,l,r_alcu,r_alcu*0.95,r_alcu*0.9
mp,c,6,390
mp,dens,6,7133
mp,kxx,6,270
mptemp,1,21,204,426
mpdata,rsvx,6,l,r_zncu+4.7e-8,r_zncu*0.95+4.7e-8,r_zncu*0.9+4.7e-8
mp,c,7,390
mp,dens,7,7133
mp,kxx,7,270
mptemp,1,21,204,426
mpdata,rsvx,7,l,r_alzn+4.7e-8,r_alzn*0.95+4.7e-8,r_alzn*0.9+4.7e-8
rect,0,10/1000,0,0.025/1000,
rect,0,10/1000,0.025/1000,1.025/1000,
rect,0,10/1000,1.025/1000,1.075/1000,
rect,10/1000,20/1000,1.025/1000,1.075/1000,
rect,10/1000,20/1000,0.025/1000,1.025/1000,
rect,10/1000,20/1000,0,0.025/1000,
rect,0,10/1000,0,-2/1000,
rect,0,5/1000,-2/1000,-2.1/1000,
rect,10/1000,20/1000,0,-2/1000,
rect,4/1000,10/1000,21.075/1000,51.075/1000,
rect,4/1000,10/1000,-22.1/1000,-52.1/1000,
aglue,all
k,100,0,21.075/1000,,
lstr,100,12,,
lstr,100,37,,
lstr,11,38,,
lsel,s,,,5,6
lsel,a,,,8,11,3
lsel,a,,,37
al,all
aglue,all
k,101,0,-22.1/1000,,
k,102,10/1000,-4.987/1000,,
lstr,101,29,,
lstr,101,44,,
lstr,102,43,,
lstr,102,30,,
lsel,s,,,9,10
lsel,a,,,29
lsel,a,,,12,13
lsel,a,,,43
al,all
aglue,all
asel,s,,,2
asel,a,,,3
asel,a,,,10
asel,a,,,11
aatt,1
alls
asel,s,,,17,19,2
aatt,2
alls
asel,s,,,13,18,5
aatt,3
alls
asel,s,,,12,15,3
aatt,4
alls
asel,s,,,16
aatt,5
alls
asel,s,,,14
aatt,6
alls
asel,s,,,1
aatt,7
alls
lsel,s,,,50,51
lsel,a,,,14
lsel,a,,,2,4,2
lsel,a,,,47
lsel,a,,,54
lsel,a,,,30
lesize,all,,,5
alls
lsel,s,,,60
lsel,a,,,56,57
lesize,all,,,20
alls
lsel,s,,,48,49
lsel,a,,,59
lesize,all,,,10
alls
lsel,s,,,55
lsel,a,,,29
lesize,all,,,50
alls
lsel,s,,,1,3,2
lsel,a,,,7,11,4
lesize,all,,,100
alls
lsel,s,,,61
lesize,all,,,50
alls
lsel,s,,,52,53
lsel,a,,,45,46
lsel,a,,,58
lesize,all,,,10
alls
lsel,s,,,37,39,2
lsel,a,,,41,43,2
lesize,all,,,10
alls
lsel,s,,,42,44,2
lsel,a,,,38,40,2
lesize,all,,,10
alls
lsel,s,,,5,6
lsel,a,,,7,8
lsel,a,,,9,10
lsel,a,,,12
lsel,a,,,13
lesize,all,,,20
alls
amesh,all
lsel,s,,,39
nsll,s,1
cp,2,volt,all
alls
/solu
antype,4
autots,on
kbc,1
outress,all,all
ic,all,temp,21
lsel,s,,,40
lsel,a,,,6
lsel,a,,,10
lsel,a,,,44
sfl,all,conv,3800,21
alls
lsel,s,,,38
lsel,a,,,7,8
lsel,a,,,53
lsel,a,,,58
lsel,a,,,13
lsel,a,,,12
lsel,a,,,42
sfl,all,conv,25,21
alls
lsel,s,,,41
dl,all,blank,volt,0
alls
fk,39,amps,30000
time,0.12
timint,on
deltim,0.0001
solve