热应力耦合出现很多警告，求解不成功
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高手现身呀，刚学ansys不久，帮忙看一下出现了什么问题，不能求解，并且出现了好多错误警告，但还是不知道怎么调整。希望哪位高手帮帮忙，谢谢了！下面是我的命令流
finish
/clear
/filename,thermal
/title, Thermal Exercise 1
!进入前处理
/prep7
/unite,mks !国际单位制
et,1,solid70! 定义单元类型
! 定义材料热性能参数
mp,kxx,1,0.17 !环氧树脂
mp,dens,1,980
mp,c,1,1173
mp,kxx,2,200 !芯片
mp,dens,2,2975
mp,c,2,1000
mp,kxx,3,7.5 !固晶层
mp,dens,3,2400
mp,c,3,300
mp,kxx,4,210 !铝基板
mp,dens,4,2700
mp,c,4,880
!创建几何实体
block,0,0.018,0,0.018,0,0.001 !基板
block,0.0015,0.0165,0.0015,0.0165,0.001,0.002 !透镜
block,0.0075,0.0085,0.0075,0.0085,0.001,0.00102 !固晶1
block,0.0075,0.0085,0.0075,0.0085,0.00102,0.00122 !芯片1
block,0.0095,0.0105,0.0075,0.0085,0.001,0.00102 !固晶2
block,0.0095,0.0105,0.0075,0.0085,0.00102,0.00122 !芯片2
block,0.0095,0.0105,0.0095,0.0105,0.001,0.00102 !固晶3
block,0.0095,0.0105,0.0095,0.0105,0.00102,0.00122!芯片3
block,0.0075,0.0085,0.0095,0.0105,0.001,0.00102 !固晶4
block,0.0075,0.0085,0.0095,0.0105,0.00102,0.00122 !芯片4
vovlap,all !布尔操作
vglue,all
allsel
numcmp,volu
numcmp,area
!划分网格
type,1 !chip
mat,2
vmesh,5
vmesh,6
vmesh,7
vmesh,8
type,1 !die attach
mat,3
vmesh,1
vmesh,2
vmesh,3
vmesh,4
type,1 !epoxy lens
mat,1
MSHKEY,0
MSHAPE,1,3d
esize,0.000125
vmesh,10
type,1 !al substrate
mat,4
MSHKEY,0
MSHAPE,1,3d
esize,0.000125
vmesh,9
save
finish
!加载求解
/solu
antype,static
tref,25
tunif,25
asel,s,loc,z,0 !选择恒温面
DA,all,temp,25
asel,a,loc,z,0.002!选择对流面
asel,a,loc,x,0
asel,a,loc,y,0
asel,a,loc,x,0.018
asel,a,loc,y,0.018
asel,a,loc,x,0.0015
asel,a,loc,y,0.0015
asel,a,loc,x,0.0165
asel,a,loc,y,0.0165
asel,a,,,55
sfa,all,,conv,10,65 !加载对流
vsel,s,mat,,2 !选择热源
bfv,all,hgen,5e9 !加载生热率
allsel
save
solve
finish
!后处理
/post1
plnsol,temp
finish
!热应力耦合
finish
/filname,thermal number 1,1
/title,thermal static 1
/prep7
etchg,tts
keyopt,1,2,3 !output nodal stress
mp,ex,1,0.5e9 !lens
mp,alpx,1,45e-6
mp,nuxy,1,0.3
mp,ex,2,190e9 !die
mp,alpx,2,14e-6
mp,nuxy,2,0.31
mp,ex,3,40e9 !die attach
mp,alpx,3,30e-6
mp,nuxy,3,0.35
mp,ex,4,68e9 !Al
mp,alpx,4,24e-6
mp,nuxy,4,0.36
finish
/solu
antype,static
lsclear,all
tref,25
asel,s,loc,z,0 ! 位移约束
nsla,s,1
d,all,uz,0
ldread,temp,,,,,thermal.rth
allsel
solve
finish
save
/post1 !进入后处理
plnsol,u,sum !绘制合位移等值线图
plnsol,s,eqv !绘制等效应力场等值线图
finish
finish
/clear
/filename,thermal
/title, Thermal Exercise 1
!进入前处理
/prep7
/unite,mks !国际单位制
et,1,solid70! 定义单元类型
! 定义材料热性能参数
mp,kxx,1,0.17 !环氧树脂
mp,dens,1,980
mp,c,1,1173
mp,kxx,2,200 !芯片
mp,dens,2,2975
mp,c,2,1000
mp,kxx,3,7.5 !固晶层
mp,dens,3,2400
mp,c,3,300
mp,kxx,4,210 !铝基板
mp,dens,4,2700
mp,c,4,880
!创建几何实体
block,0,0.018,0,0.018,0,0.001 !基板
block,0.0015,0.0165,0.0015,0.0165,0.001,0.002 !透镜
block,0.0075,0.0085,0.0075,0.0085,0.001,0.00102 !固晶1
block,0.0075,0.0085,0.0075,0.0085,0.00102,0.00122 !芯片1
block,0.0095,0.0105,0.0075,0.0085,0.001,0.00102 !固晶2
block,0.0095,0.0105,0.0075,0.0085,0.00102,0.00122 !芯片2
block,0.0095,0.0105,0.0095,0.0105,0.001,0.00102 !固晶3
block,0.0095,0.0105,0.0095,0.0105,0.00102,0.00122!芯片3
block,0.0075,0.0085,0.0095,0.0105,0.001,0.00102 !固晶4
block,0.0075,0.0085,0.0095,0.0105,0.00102,0.00122 !芯片4
vovlap,all !布尔操作
vglue,all
allsel
numcmp,volu
numcmp,area
!划分网格
type,1 !chip
mat,2
vmesh,5
vmesh,6
vmesh,7
vmesh,8
type,1 !die attach
mat,3
vmesh,1
vmesh,2
vmesh,3
vmesh,4
type,1 !epoxy lens
mat,1
MSHKEY,0
MSHAPE,1,3d
esize,0.000125
vmesh,10
type,1 !al substrate
mat,4
MSHKEY,0
MSHAPE,1,3d
esize,0.000125
vmesh,9
save
finish
!加载求解
/solu
antype,static
tref,25
tunif,25
asel,s,loc,z,0 !选择恒温面
DA,all,temp,25
asel,a,loc,z,0.002!选择对流面
asel,a,loc,x,0
asel,a,loc,y,0
asel,a,loc,x,0.018
asel,a,loc,y,0.018
asel,a,loc,x,0.0015
asel,a,loc,y,0.0015
asel,a,loc,x,0.0165
asel,a,loc,y,0.0165
asel,a,,,55
sfa,all,,conv,10,65 !加载对流
vsel,s,mat,,2 !选择热源
bfv,all,hgen,5e9 !加载生热率
allsel
save
solve
finish
!后处理
/post1
plnsol,temp
finish
!热应力耦合
finish
/filname,thermal number 1,1
/title,thermal static 1
/prep7
etchg,tts
keyopt,1,2,3 !output nodal stress
mp,ex,1,0.5e9 !lens
mp,alpx,1,45e-6
mp,nuxy,1,0.3
mp,ex,2,190e9 !die
mp,alpx,2,14e-6
mp,nuxy,2,0.31
mp,ex,3,40e9 !die attach
mp,alpx,3,30e-6
mp,nuxy,3,0.35
mp,ex,4,68e9 !Al
mp,alpx,4,24e-6
mp,nuxy,4,0.36
finish
/solu
antype,static
lsclear,all
tref,25
asel,s,loc,z,0 ! 位移约束
nsla,s,1
d,all,uz,0
ldread,temp,,,,,thermal.rth
allsel
solve
finish
save
/post1 !进入后处理
plnsol,u,sum !绘制合位移等值线图
plnsol,s,eqv !绘制等效应力场等值线图
finish
