简单模型的高质量网格划分

zhtch_usst

      各位大神，小弟ANSYS新手一名，对一个简单模型网格划分时质量不高，为了提高后续计算精度，需要对此模型进行高质量网格化分。
模型如图所示：

命令流如下：
/PREP7   
ET,1,SOLID185   
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,1,,1.2E11
MPDATA,PRXY,1,,0.25
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,1,,7340
SAVE
BLOCK,0,0.2,0,0.12,0,0.012,   
wpoff,0.02,0.02,0   
CYLIND,0,0.0065,0,0.012,0,360   
wpoff,0,0.08,0  
CYLIND,0,0.0065,0,0.012,0,360   
wpoff,0.16,0,0  
CYLIND,0,0.0065,0,0.012,0,360   
wpoff,0,-0.08,0
CYLIND,0,0.0065,0,0.012,0,360   
FLST,3,4,6,ORDE,2   
FITEM,3,2   
FITEM,3,-5  
VSBV,1,P51X     
wpoff,0.04,0.04,0      
BLOCK,-0.02,0,-0.02,0.02,0,0.012,   
CYLIND,0,0.02,0,0.012,-90,90
FLST,2,3,6,ORDE,3   
FITEM,2,1   
FITEM,2,-2  
FITEM,2,6   
VGLUE,P51X  
CYLIND,0,0.0085,0,0.012,0,360   
FLST,2,2,6,ORDE,2   
FITEM,2,3   
FITEM,2,-4  
VSBV,P51X,1   
wpoff,-0.12,0,0
CSYS,4  
FLST,3,2,6,ORDE,2   
FITEM,3,2   
FITEM,3,6   
VSYMM,X,P51X, , , ,0,0  
FLST,2,3,6,ORDE,3   
FITEM,2,1   
FITEM,2,3   
FITEM,2,5   
VGLUE,P51X


望各位大神不吝赐教，谢谢各位！

zhtch_usst

自己先顶一个

senja

zhtch_usst 发表于 2013-5-19 11:43
自己先顶一个

多看看帖子，版内有很多关于分网的帖子，难易都有

chenjie120123

带孔的位置都切成4份

senja

senja 发表于 2013-5-19 13:48
多看看帖子，版内有很多关于分网的帖子，难易都有

规整网格可以使用扫略或者映射分网。
如使用扫略网格，则可以直接在楼主目前操作得到的模型上扫略即可。

以下操作结果为映射网格划分，对模型进行相应的切割。







命令：

finish
/clear
/PREP7  
ET,1,SOLID185
mp,ex,1,1.2e11
mp,dens,1,7340
mp,prxy,1,0.3
block,0,0.1,0,0.06,0,0.12
wpoffs,0.08,0.02
cylind,0,0.0065,0,0.12
wpcsys,-1,0
wpoffs,0.12
block,-0.02,0,0,0.02,0,0.12
cylind,0,0.02,0,0.12,0,90
cylind,0,0.0085,0,0.12,0,180
wpcsys,-1,0
vptn,all
vsel,s,loc,y,0,0.005
vsel,a,loc,x,0.07,0.1
vdele,all,,,1
allsel
wprota,,90
wpoffs,,,-0.02
vsbw,all
wpoffs,,,-0.02
vsbw,all
wpcsys,-1,0
wprota,,,90
wpoffs,,,0.06
vsbw,all
wpoffs,,,0.02
vsbw,all
vsel,s,loc,x,0.06,0.1
vsel,r,loc,y,0,0.04
wpoffs,,0.02
wprota,,-45
vsbw,all
wprota,,90
vsbw,all
wpcsys,-1,0
allsel
vsel,s,loc,x,0.1,0.2
wpoffs,0.12
wprota,,,90
wprota,,-45
vsbw,all
wprota,,90
vsbw,all
wpcsys,-1,0
allsel
vsymm,y,all,,,,0,0
vsymm,x,all,,,,0,0
nummrg,kp
esize,0.003
mshape,0
mshkey,1,3D
vmesh,all

senja

senja 发表于 2013-5-19 14:40
规整网格可以使用扫略或者映射分网。
如使用扫略网格，则可以直接在楼主目前操作得到的模型上扫略即可。
...

没注意。中间板上孔的定位尺寸反了，对称之后出了这个结果。
这个思想楼主可以参考下

小七工作室

可以用其他网格工具 处理 比较容易

zhouyuliangsc

senja 发表于 2013-5-19 13:48
多看看帖子，版内有很多关于分网的帖子，难易都有

麻烦版主看看下面这个模型如何切割划分啊，关键是整体与局部尺寸差异太大啊，模拟的是隧道掌子面炮眼模型，初学者，望版主多多指点，谢谢！

/PREP7  
ET,1,PLANE183   
CYLIND,4000,25,0,1000,0,90,
CYLIND,25,0,0,1000,0,90,
wpoff,800,0,0   
CYLIND,25,0,0,1000,0,180,   
wpoff,0,800,0   
CYLIND,25,0,0,1000,0,360,   
wpoff,-800,0,0  
CYLIND,25,0,0,1000,-90,90,  
FLST,3,3,6,ORDE,2   
FITEM,3,3   
FITEM,3,-5  
VSBV,       1,P51X  
CYLIND,25,0,0,1000,-90,90,  
wpoff,800,0,0   
CYLIND,25,0,0,1000,0,360,   
wpoff,0,-800,0  
CYLIND,25,0,0,1000,0,180,