求助连铸带水口圆坯画六面体网格问题

扳着手指数阳光J

各位大神，ansys里带连铸水口的圆坯模型画六面体网格，怎么才能使圆柱中心和边缘的网格密度保持一致或相差不大？如图所示：

1.我的模型


2. 文献中别人画的六面体网格


附：我的建模命令流
/PREP7
CYLIND,0,0.015,0.45,0.70,0,360   !水口钢液
CYLIND,0,0.15,0,0.45,0,360   !水口下部钢液
CYLIND,0.035,0.15,0.45,0.55,0,360   !水口侧面钢液

kamakot

vsweep命令

扳着手指数阳光J

kamakot 发表于 2014-4-16 10:37
vsweep命令

能详细说下吗？我是新手......

kamakot

扳着手指数阳光J 发表于 2014-4-16 10:43
能详细说下吗？我是新手......

/PREP7
CYLIND,0.035,0.15,0.45,0.55,0,360
et,1,185
esize,0.005
vsweep,1

FNL

finish
/clear

/prep7
cylind,    0,0.015, 0.45,  0.7,0,360
cylind,    0, 0.15,    0, 0.45,0,360
cylind,0.035, 0.15, 0.45, 0.55,0,360

cylind,    0,0.015,    0, 0.45,0,360
cylind,    0,0.035,    0, 0.45,0,360
vovlap,2,4,5
vglue,all

allsel,all
nummrg,all
numcmp,all

et,1,185
et,2,63

type,1
lsel,s,loc,z,0.7
LESIZE,all, , ,3, , , , ,1
lsel,s,,,9,10,1
lesize,all,0.01, , , , , , ,1
vsweep,1

allsel,all
lsel,s,loc,z,0.45
LESIZE,all, 0.008, , , , , , ,1
lsel,s,,,31,32,1
lesize,all,0.01, , , , , , ,1
vsweep,3

type,2
asel,s,loc,z,0.45
amesh,all

type,1
allsel,all
lsel,s,,,45,46,1
lesize,all,0.01, , , , , , ,1
vsel,s,,,2
vsel,a,,,4,5
vsweep,all

aclear,all
allsel,all

扳着手指数阳光J

FNL 发表于 2014-4-16 20:29
finish
/clear

试了一下，很不错，多谢大神！

扳着手指数阳光J

kamakot 发表于 2014-4-16 20:22
/PREP7
CYLIND,0.035,0.15,0.45,0.55,0,360
et,1,185

非常感谢！