1/2模型OK，但整体模型为啥出错！

1/2模型命令流如下：
fini
/clear
/filname,exercise6
/title,pinched cylinder
/pmeth,on,0
keyw,pr_set,1
keyw,pr_struc,1
/prep7
et,1,shell150
r,1,2.5e-3
mp,ex,1,1.2E11
mp,prxy,1,0.3
csys,1
k,1,0.05
k,2,0.05,0,0.1
/view,1,1,1,1
/pnum,kp,1
kplot
kgen,2,1,2,1,,90
a,1,2,4,3
/pnum,line,1
lplot
lsel,s,,,1,3,2
lesize,all,,,10
lsel,s,,,2,4,2
lesize,all,,,8
allsel
amesh,all
nummrg,all
csys,0
arsym,z,all,,2
nummrg,all
arsym,x,all,,2
nummrg,all
!arsym,y,all,,2
!nummrg,all
numcmp,all
eplot
fini
/solu
antype,static
nsel,s,loc,x,0
dsym,symm,x,0
nsel,s,loc,y,0
dsym,symm,y,0
nsel,s,loc,z,0
dsym,symm,z,0
eplot
allsel
eplot
kplot
fk,3,fy,-2000
allsel
solve
finish
/post1
set,last
pldisp,1
整体模型命令流如下：
fini
/clear
/filname,exercise6
/title,pinched cylinder
/pmeth,on,0
keyw,pr_set,1
keyw,pr_struc,1
/prep7
et,1,shell150
r,1,2.5e-3
mp,ex,1,1.2E11
mp,prxy,1,0.3
csys,1
k,1,0.05
k,2,0.05,0,0.1
/view,1,1,1,1
/pnum,kp,1
kplot
kgen,2,1,2,1,,90
a,1,2,4,3
/pnum,line,1
lplot
lsel,s,,,1,3,2
lesize,all,,,10
lsel,s,,,2,4,2
lesize,all,,,8
allsel
amesh,all
nummrg,all
csys,0
arsym,z,all,,2
nummrg,all
arsym,x,all,,2
nummrg,all
arsym,y,all,,2
nummrg,all
numcmp,all
eplot
fini
/solu
antype,static
nsel,s,loc,x,0
dsym,symm,x,0
nsel,s,loc,y,0
dsym,symm,y,0
nsel,s,loc,z,0
dsym,symm,z,0
eplot
allsel
eplot
kplot
fk,3,fy,-2000
fk,11,fy,2000
allsel
solve
finish
/post1
set,last
pldisp,1
薄壁件的结构分析，如题1/2模型可以成功运行，为啥整体模型会出现内存不足问题。请各位帮我看看，谢谢诶！