一个升温降温的热应力分析模拟,怎么不对呀
!升温与降温,参考温度为10,路面在参考温度基础上升温与降温!需要得到温度分布图
fini
/cle
/PREP7
keyw,pr_therm,1
ET,1,PLANE42
!辅助网格划分之用
ET,2,SOLID5
!…………………………面层模量与泊松比等参数
mp,ex,1,1200e6
mp,nuxy,1,0.25
mp,alpx,1,21e-6
mp,kxx,1,1.2
!…………………………土基层模量与泊松比等参数
mp,ex,2,23000e6
mp,nuxy,2,0.15
mp,alpx,2,10e-6
mp,kxx,2,1.5
!…………………………下基层模量与泊松比等参数
mp,ex,3,2000e6
mp,nuxy,3,0.25
mp,alpx,3,8e-6
mp,kxx,3,1
!…………………………土基模量与泊松比等参数
mp,ex,4,200e6
mp,nuxy,4,0.35
mp,alpx,4,5e-6
mp,kxx,4,1
k,1,0,0
k,2,8,0
k,3,8,4
k,4,0,4
a,1,2,3,4
lsel,s,,,2,4,2
lesize,all,,,20
lsel,s,,,1,3,2
lesize,all,,,10
MSHKEY,1
amesh,all
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~拉伸下基层
extopt,esize,4,0
extopt,aclear,1
type,2
mat,1
vext,1,,,,,0.2
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~拉伸基层
extopt,esize,4,0
extopt,aclear,1
type,2
mat,2
vext,2,,,,,0.2
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~拉伸面层
extopt,esize,4,0
extopt,aclear,1
type,2
mat,3
vext,7,,,,,0.2
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~拉伸土基
extopt,esize,4,0
extopt,aclear,1
type,2
mat,4
vext,1,,,,,-6
extopt,esize,1,0
extopt,aclear,1
type,2
mat,4
vext,18,,,,-1
extopt,esize,1,0
extopt,aclear,1
type,2
mat,4
vext,20,,,,1
extopt,esize,1,0
extopt,aclear,1
type,2
mat,4
vext,19,24,5,1
vext,31,,,1
extopt,esize,1,0
extopt,aclear,1
type,2
mat,4
vext,21,29,8,-1
vext,26,,,-1
nummrg,all !合并同位置或等效项目
numcmp,all !压缩项目编号
!进入求解器
/solu
antype,static
!指定分析类型
asel,s,loc,z,-6
aplot
DA,ALL,all
!施加位移约束
asel,s,loc,x,-1
aplot
DA,ALL,ux
!施加位移约束
asel,s,loc,x,9
aplot
DA,ALL,ux
!施加位移约束
asel,s,loc,y,-1
aplot
DA,ALL,uy
!施加位移约束
asel,s,loc,y,5
aplot
DA,ALL,uy
tref,10
!参考温度
asel,s,loc,z,0.6
nsll,s,1
bf,all,temp,200
!施加温度荷载,
allsel
solve
哪里出现问题了,谢谢,指教,我是个初学者
在线等……
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