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[建模和网格划分] vsweep 网格扫掠 命令流已给

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发表于 2011-12-18 20:49:00 | 显示全部楼层 |阅读模式 来自 天津
    寒假将至,我的课题进展的比较缓慢,主要是在划分单元上一波三折,因为板上孔的存在所以体划分用扫掠,但是vsweep命令也遇到了很多挫折,实在不知道该求助谁了,希望大家帮我看看,我的网格划分划分该怎么继续,我把命令流贴上,希望大家能为我解忧!不甚感激!
  现在是建了一半的模型,并对源面进行了网格划分,希望可以扫掠到整个端板和梁上,梁的其他部分再用尺寸控制划分。希望高手给予解答!
  finish
/clear
/title,connection
/prep7
!!!!!!!!!!!参数定义!!!!!!!!!
!!!!!!!!!!!!!!!!!梁尺寸定义!!!!!!!!!!!!!!!!!!!!
bb=120!梁截面宽度
bh=248!梁截面高度
bl=1124!梁长
tbf=8!梁翼缘厚
tbw=5!梁腹板厚
!!!!!!!!!!!!!!!连接件翼缘尺寸!!!!!!!!!!!!!!!!
tf1=14!连接件翼缘厚
bf1=120!连接件翼缘宽
hf1=410!连接件翼缘高
lh1=30!连接件螺栓孔到中心线的水平距离
lv1=90!连接件螺栓孔到中心的竖直距离
lk1=80!螺栓孔中心距离
!!!!!!!!!!!!!!!连接件腹板尺寸!!!!!!!!!!!!!!!!
tf2=12!连接件腹板厚
bf2=120!连接件腹板宽
hf2=265!连接件腹板高
lh2=30!螺栓孔到中心的水平距离
lb2=40!钢梁腹板首个孔到梁端的距离
lk2=55!螺栓孔中心距离
lv2=50!连接件到翼缘的距离
!!!!!!!!!!!!!!!!梁上螺栓尺寸!!!!!!!!!!!!!!!!!!
db2=16!螺栓直径
lb2=40!螺栓长度
dm2=20!螺母直径
wm2=12.5!螺母厚度
pt2=100000!预拉力
!!!!!!!!!!!!!!!!!!颜色控制!!!!!!!!!!!!!!!!!!
/PNUM,KP,0
/PNUM,LINE,0
/PNUM,AREA,0
/PNUM,VOLU,1
/PNUM,NODE,0
/PNUM,TABN,0
/PNUM,SVAL,0
!!!!!!!!!!!开始建模!!!!!!!!!
!!!!!!!!!!!!!!!!!连接件建模!!!!!!!!!!!!!!!!
blc4,0,0,bf1/2,hf1/2,tf1
wpoffs,0,lv1+lk1/2-tf2/2,tf1
wprota,0,90,0
blc4,0,0,bf2/2,hf2,-tf2
vadd,1,2
wpcsys,-1
vsymm,y,all
vadd,all
!!!!!!!!!!!!!!!!!!!梁建模!!!!!!!!!!!!!!!!!!!!
wpoffs, 0,0, lv2-lb2+tf1
block,0, bb/2,bh/2-tbf,bh/2,0, bl
block,0,tbw/2,tbf-bh/2,bh/2-tbf,0,bl
block,0, bb/2,-bh/2,tbf-bh/2,0, bl
vadd,1,3,4
!!!!!!!!!!!!!!!!!梁上打孔!!!!!!!!!!!!!!!!!!!!
wpcsys,-1
wpoffs,lh2,bh/2,lv2+tf1
wprota,0,90,0
cylind,db2/2,,tbf,-tf2,0,360
vsel,s,loc,y,bh/2-tbf,bh/2+tf2
vgen,4,all,,,,,lk2
cm,bolt2,volu
vsymm,y,bolt2
cmdele,bolt2
allsel,all
vsel,s,loc,x,lh1
cm,bolt2,volu
allsel,all
vplot
vsel,s,volu,,2
vsel,a,volu,,5
cm,bandc,volu
allsel,all
vsbv,bandc,bolt2
!!!!!!!!!!!!!!梁上螺栓建模!!!!!!!!!!!!!!!!
wpcsys,-1
wpoffs,lh2,bh/2,lv2+tf1
wprota,0,90,0
cylind,db2/2,,tbf,-tf2,0,360
cylind,dm2/2,,-tf2,-tf2-wm2,0,360
cylind,dm2/2,,tbf,tbf+wm2,0,360
vsel,s,loc,x,lh2
vsel,u,,,12
vglue,all
vgen,4,all,,,,,lk2
vsymm,y,all
cm,bolt2,volu
!!!!!!定义材料和单元属性!!!!!!!!!!!
et,1,solid45
mp,ex,1,206e3
mp,prxy,1,0.3
et,2,mesh200,6
!!!!附属性!!!!!!!!
cmsel,s,bolt2
vatt, 1,,1,0
allsel,all
cmsel,u,bolt2
vatt, 1,,2,0
!!!!!!!!!!!!!!!!
!!划分网格
wpcsys
wpoff,,,tf1
vsbw,all
wpoff,,,hf2
vsbw,all
asel,s,loc,y,bh/2+tf2
asel,r,,,109
wpcsys
wpoff,,,lv2/2+tf1
asbw,all
wpoff,,,lv2/2
asbw,all
wpoff,,,lk2/2
asbw,all
wpoff,,,lk2/2
asbw,all
wpoff,,,lk2/2
asbw,all
wpoff,,,lk2/2
asbw,all
wpoff,,,lk2/2
asbw,all
wpoff,,,lk2/2
asbw,all
wpoff,,,lv2/2
asbw,all
wpoff,,,lv2/2
asbw,all
wprota,,,90
wpoff,,,lh2
asbw,all
lsel,r,radius,,db2/2
lsel,r,loc,y,bh/2+tf2
lesize,all,,,4
lsla,inve
lsel,u,radius,,dm2/2
lesize,all,,,2
amap,207,76,75,368,361!!1
amap,208,76,74,362,368
amap,206,75,73,361,371
amap,205,73,74,362,371
amap,203,67,68,371,358
amap,204,68,66,371,357
amap,202,67,65,358,370
amap,201,65,66,357,370
amap,200,59,60,370,354
amap,198,60,58,370,353
amap,199,59,57,354,369
amap,197,57,58,353,369
amap,196,45,52,350,369
amap,195,44,52,349,369
amap,194,45,37,350,366
amap,193,37,44,349,366
asel,s,,,88
asel,a,,,190,192,1
amesh,all

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发表于 2011-12-19 21:35:10 | 显示全部楼层 来自 湖北武汉
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多切割几刀就行了
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发表于 2011-12-19 21:36:59 | 显示全部楼层 来自 湖北武汉
本帖最后由 senja 于 2011-12-20 11:35 编辑

我修改了下,对楼主参数设置不是很熟悉,有几个地方直接用了数字:(用的是映射网格)

finish
/clear
/title,connection

/prep7
!!!!!!!!!!!参数定义!!!!!!!!!
!!!!!!!!!!!!!!!!!梁尺寸定义!!!!!!!!!!!!!!!!!!!!
bb=120!梁截面宽度
bh=248!梁截面高度
bl=1124!梁长
tbf=8!梁翼缘厚
tbw=5!梁腹板厚
!!!!!!!!!!!!!!!连接件翼缘尺寸!!!!!!!!!!!!!!!!
tf1=14!连接件翼缘厚
bf1=120!连接件翼缘宽
hf1=410!连接件翼缘高
lh1=30!连接件螺栓孔到中心线的水平距离
lv1=90!连接件螺栓孔到中心的竖直距离
lk1=80!螺栓孔中心距离
!!!!!!!!!!!!!!!连接件腹板尺寸!!!!!!!!!!!!!!!!
tf2=12!连接件腹板厚
bf2=120!连接件腹板宽
hf2=265!连接件腹板高
lh2=30!螺栓孔到中心的水平距离
lb2=40!钢梁腹板首个孔到梁端的距离
lk2=55!螺栓孔中心距离
lv2=50!连接件到翼缘的距离
!!!!!!!!!!!!!!!!梁上螺栓尺寸!!!!!!!!!!!!!!!!!!
db2=16!螺栓直径
lb2=40!螺栓长度
dm2=20!螺母直径
wm2=12.5!螺母厚度
pt2=100000!预拉力

!!!!!!定义材料和单元属性!!!!!!!!!!!

et,1,solid45
mp,ex,1,206e3
mp,prxy,1,0.3

!!!!!!!!!!!开始建模!!!!!!!!!
blc4,0,0,bf1/2,hf1/2,tf1
wpoffs,0,lv1+lk1/2-tf2/2,tf1
wprota,0,90,0
blc4,0,0,bf2/2,hf2,-tf2
wpcsys,-1,0
vsymm,y,all

wpoffs, 0,0, lv2-lb2+tf1
block,0, bb/2,bh/2-tbf,bh/2,0, bl
block,0,tbw/2,tbf-bh/2,bh/2-tbf,0,bl
block,0, bb/2,-bh/2,tbf-bh/2,0, bl
wpcsys,-1,0

vsel,none
wpoffs,lh2,bh/2,lv2+tf1
wprota,0,90,0
cylind,db2/2,,tbf+wm2,-tf2-wm2,0,360
cylind,dm2/2,,tbf+wm2,-tf2-wm2,0,360
vgen,4,all,,,,,lk2
vsymm,y,all
wpcsys,-1,0
allsel

vptn,all

vsel,none
wpoffs,lh2,bh/2,lv2+tf1
wprota,0,90,0
cylind,dm2/2,,-tf2,-tf2-wm2,0,360
cylind,dm2/2,,tbf,tbf+wm2,0,360
vgen,4,all,,,,,lk2
vsymm,y,all
wpcsys,-1,0
allsel

vptn,all

wpoffs, 0,0, lv2-lb2+tf1
vsbw,all
wpcsys,-1,0
wpoffs,lh2,,tf1+hf2
vsbw,all
wprota,,,90
vsbw,all
wpcsys,-1,0

wprota,,,90
wpoffs,,,lh2-20
vsbw,all
wpoffs,,,40
vsbw,all
wpcsys,-1,0

vsel,s,loc,z,tf1,tf1+hf2
wpoffs,lh2,,lv2+tf1-20
vsbw,all
wpoffs,,,20
vsbw,all
wpoffs,,,20
vsbw,all
wpoffs,,,-20

*do,i,1,3
   wpoffs,,,lk2-20
   vsbw,all
   wpoffs,,,20
   vsbw,all
   wpoffs,,,20
   vsbw,all
   wpoffs,,,-20
*enddo
wpcsys,-1,0

vsel,s,loc,x,lh2-20,lh2+20
vsel,r,loc,z,tf1,tf1+hf2
wpoffs,lh2,,lv2+tf1
*do,i,1,4
   wprota,,,45
   vsbw,all
   wprota,,,-90
   vsbw,all
   wprota,,,45
   wpoffs,,,lk2
*enddo
wpcsys,-1,0
allsel

wpoffs,tbw/2
wprota,,,90
vsbw,all
wpcsys,-1,0

vsel,s,loc,z,0,tf1
wpoffs,,lv1+lk1/2-tf2/2
wprota,,90
vsbw,all
wpoffs,,,-tf2
vsbw,all
wpoffs,,,tf2+2*(lv1+lk1/2-tf2/2)
vsbw,all
wpoffs,,,tf2
vsbw,all
wpcsys,-1,0
allsel


nummrg,kp
numcmp,all

!!!!!!!!!! 划分网格 !!!!!!!!!!!!

vsel,s,loc,z,lv2+tf1-3,lv2+tf1+3
vsel,a,loc,z,lv2+tf1+lk2-3,lv2+tf1+lk2+3
vsel,a,loc,z,lv2+tf1+2*lk2-3,lv2+tf1+2*lk2+3
vsel,a,loc,z,lv2+tf1+3*lk2-3,lv2+tf1+3*lk2+3
vsel,a,loc,x,lh2-3,lh2+3
vsel,r,loc,y,116,136
cm,bolt1,volum

vsel,s,loc,z,lv2+tf1-3,lv2+tf1+3
vsel,a,loc,z,lv2+tf1+lk2-3,lv2+tf1+lk2+3
vsel,a,loc,z,lv2+tf1+2*lk2-3,lv2+tf1+2*lk2+3
vsel,a,loc,z,lv2+tf1+3*lk2-3,lv2+tf1+3*lk2+3
vsel,a,loc,x,lh2-3,lh2+3
vsel,r,loc,y,-136,-116
cm,bolt2,volum

vsel,s,loc,y,-116,-104
vsel,a,loc,y,104,116
vsel,a,loc,y,-148,-136
vsel,a,loc,y,136,148
cm,bolt3,volum

cmsel,s,bolt1
cmsel,a,bolt2
cmsel,a,bolt3
cm,bolt,volum       !!! 螺栓
allsel

esize,10
mshape,0,3D

cmsel,s,bolt
vatt,1,,1
vmesh,all

vsel,inve
vatt,1,1
vmesh,all

allsel


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 楼主| 发表于 2011-12-20 19:45:23 | 显示全部楼层 来自 天津
senja 发表于 2011-12-19 21:36
我修改了下,对楼主参数设置不是很熟悉,有几个地方直接用了数字:(用的是映射网格)

finish

功力太深厚了!!!特别感谢您对我的回复,我好好研究一下!!!我觉得论坛的气氛特别好,总是会有人伸出援助之手,让我特别感动,等我练就本领了我也要去帮助别人,让这个好的氛围保持下去,一代传一代!
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