ansys报错没选到面，求解释？

c3z26j10

ansys报错

finish
/clear
/prep7
!设置单元类型
et,1,shell63



!烟囱实常数
r,1,0.054
r,2,0.046
r,3,0.040
r,4,0.036
r,5,0.032
r,6,0.028
r,7,0.026
r,8,0.024
r,9,0.022
r,10,0.020
r,11,0.018
r,12,0.016

!烟囱材料属性
mp,ex,2,206e9
mp,prxy,2,0.3
mp,dens,2,7800
mp,alpx,2,1e-5 !热膨胀系数


*set,rd,2.35    !外径

k,1,rd,0,0
k,2,rd,0,10
k,3,rd,0,20
k,4,rd,0,30
k,5,rd,0,40
k,6,rd,0,55.6
k,7,1.91,0,71.8
k,8,1.65,0,81.3
K,9,1.54,0,85.7
K,10,0,0,0
k,11,0,0,85.7

*do,i,1,8,1
l,i,i+1
*enddo

!生成烟囱几何模型
ldiv,all,,,2,0
arotat,all,,,,,,10,11,360,32


asel,s,loc,z,0,4.8
aplot
type,1
real,1
mat,2
esize,,4
amesh,all

asel,s,loc,z,4.8,6.8
aplot
type,1
real,2
mat,2
esize,,4
amesh,all

运行到这就报错了，不知道什么原因？