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注册: 2012-02-29
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[求助] ansys网格划分

求大神帮助划分下网格，模型是交流电通过电极施加到长方体熔体的一个侧面上，各个面的电磁场分布肯定不一样，有电极的一面跟连接的侧面电磁场强度大，要如何划分网格，下面是一段运行程序，网格划分不好，请大师帮忙划下，谢谢了。
/prep7
/units,mks

LOCAL,11,1,0,0,0
WPCSYS,,11
et,1,231 !1-熔体
et,2,231 !2-电极

mp,murx,1,1
mp,rsvx,1,1.8E-8
mp,murx,2,1
mp,rsvx,2,1.0E-7

block,0,0.04,0,0.12,0,0.04
cyl4,0.02,0.03,0,0,0.005,360,-0.03
cyl4,0.02,0.08,0,0,0.005,360,-0.03
vglue,all
numcmp,all

vsel,s,volu,,1
vatt,2,,2,11
vsel,s,volu,,2,3
vatt,1,,1,11
allsel,all

aesize,8,0.002
aesize,1,0.001
allsel,all
mshape,1,3d
vmesh,all
allsel,all
SAVE

asel,s,area,,6
nsla
cp,1,volt,all
allsel,all
asel,s,area,,10
nsla
cp,2,volt,all
allsel,all
FINISH

/solu
antyp,trans

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1楼 2013-05-13 10:01:11

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【答案】应助回帖

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感谢参与，应助指数 +1
xiegangmai: 金币+2, 谢谢参与！ 2013-05-14 21:30:18

不知道你想要什么样的网格，试着对模型做了一些切割，然后划分 MAP 网格，相应命令流如下 (到划分好网格为止，其余你自己改吧)：

fini
/clear
/filname,xiaoxu

/prep7
/units,mks

LOCAL,11,1,0,0,0
WPCSYS,,11
et,1,231 !1-熔体
et,2,231 !2-电极

mp,murx,1,1
mp,rsvx,1,1.8E-8
mp,murx,2,1
mp,rsvx,2,1.0E-7

block,0,0.04,0,0.12,0,0.04
cyl4,0.02,0.03,0,0,0.005,360,-0.03
cyl4,0.02,0.08,0,0,0.005,360,-0.03
vglue,all
numcmp,all

vsel,s,volu,,1
vatt,2,,2,11
vsel,s,volu,,2,3
vatt,1,,1,11
allsel,all

aesize,8,0.002
aesize,1,0.001
allsel,all

/AUTO,1
!*
LPLOT
SAVE,
!*
FLST,2,2,5,ORDE,2
FITEM,2,7
FITEM,2,11
VDRAG,P51X, , , , , ,    10
!*
FLST,2,3,6,ORDE,2
FITEM,2,3
FITEM,2,-5
VOVLAP,P51X
!*
!*
LPLOT
!*
FLST,2,2,3,ORDE,2
FITEM,2,29
FITEM,2,31
KWPAVE,P51X
!*
wpro,,90.000000,
!*
FLST,2,3,6,ORDE,3
FITEM,2,2
FITEM,2,5
FITEM,2,-6
VSBW,P51X
!*
LPLOT
!*
FLST,2,2,3,ORDE,2
FITEM,2,25
FITEM,2,27
KWPAVE,P51X
!*
FLST,2,3,6,ORDE,3
FITEM,2,1
FITEM,2,4
FITEM,2,11
VSBW,P51X
!*
LPLOT
wpro,,,90.000000
!*
FLST,2,11,6,ORDE,6
FITEM,2,2
FITEM,2,-3
FITEM,2,5
FITEM,2,-10
FITEM,2,12
FITEM,2,-14
VSBW,P51X
!*
LPLOT
!*
/VIEW,1,,,-1
/ANG,1
/REP,FAST

!*
csys,0
!*
FLST,2,4,3
FITEM,2,39
FITEM,2,40
FITEM,2,5
FITEM,2,2
A,P51X
VSBA,    29,    1
!*
FLST,2,4,3
FITEM,2,51
FITEM,2,52
FITEM,2,38
FITEM,2,37
A,P51X
!*
VSBA,    28,    1
!*
FLST,2,4,3
FITEM,2,35
FITEM,2,36
FITEM,2,7
FITEM,2,3
A,P51X
!*
VSBA,    31,    24
!*
FLST,2,4,3
FITEM,2,33
FITEM,2,34
FITEM,2,54
FITEM,2,53
A,P51X
!*
VSBA,    30,    24
!*
FLST,2,4,3
FITEM,2,37
FITEM,2,38
FITEM,2,34
FITEM,2,33
A,P51X
!*
FLST,2,2,6,ORDE,2
FITEM,2,32
FITEM,2,-33
VSBA,P51X,    48
!*
FLST,2,4,3
FITEM,2,39
FITEM,2,40
FITEM,2,36
FITEM,2,35
A,P51X
!*
FLST,2,2,6,ORDE,2
FITEM,2,14
FITEM,2,28
VSBA,P51X,    48
!*
NUMMRG,KP, , , ,LOW
numcmp,all
!*
KWPAVE,    55
!*
!*
wpro,,,90.000000
!*
FLST,2,30,6,ORDE,2
FITEM,2,1
FITEM,2,-30
VSBW,P51X
!*
LPLOT
!*
/VIEW,1,,,-1
/ANG,1
/REP,FAST
!*

!*  以下设置体的属性，小圆柱为材料 1；其余为材料 2，不知是否正确
FLST,5,24,6,ORDE,4
FITEM,5,1
FITEM,5,-18
FITEM,5,29
FITEM,5,-34
CM,_Y,VOLU
VSEL, , , ,P51X
CM,_Y1,VOLU
CMSEL,S,_Y
!*
CMSEL,S,_Y1
VATT,    1, , 1,    0
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
FLST,5,8,6,ORDE,2
FITEM,5,19
FITEM,5,-26
CM,_Y,VOLU
VSEL, , , ,P51X
CM,_Y1,VOLU
CMSEL,S,_Y
!*
CMSEL,S,_Y1
VATT,    2, , 1,    0
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
!*    以下设置单元尺寸或线段分段数，准备进行 MAP 无关划分
LESIZE,ALL,0.008, , , ,1, , ,1,
!*
FLST,5,16,4,ORDE,12
FITEM,5,13
FITEM,5,-16
FITEM,5,23
FITEM,5,-26
FITEM,5,93
FITEM,5,-94
FITEM,5,97
FITEM,5,-98
FITEM,5,100
FITEM,5,-101
FITEM,5,104
FITEM,5,-105
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1, , ,2, , , , ,1
!*
FLST,5,16,4,ORDE,10
FITEM,5,27
FITEM,5,-30
FITEM,5,41
FITEM,5,44
FITEM,5,46
FITEM,5,48
FITEM,5,84
FITEM,5,-87
FITEM,5,89
FITEM,5,-92
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1, , ,2, , , , ,1
!*
FLST,5,16,4,ORDE,10
FITEM,5,17
FITEM,5,-20
FITEM,5,33
FITEM,5,36
FITEM,5,38
FITEM,5,40
FITEM,5,62
FITEM,5,-65
FITEM,5,80
FITEM,5,-83
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
!*
LESIZE,_Y1, , ,2, , , , ,1
!*
!*
MSHAPE,0,3d
MSHKEY,1
VMESH,all
MSHKEY,0
!*
numcmp,all
!*
!*
SAVE

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