求高手帮我划分下网格

tiexie1986

finish
/clear
! ************* 初始化参数********************************
Ri=5.7
Ro=8

Ri_b=8.125
Ro_b=14.73
! ***************前处理**************************************
/prep7
et,1,solid45      
mp,ex,1,1.9E5           !1号材料对应换热管钢管  塑性与接触部分材料
mp,prxy,1,0.3

mp,ex,2,2.1E5              !2号材料对应管板
mp,prxy,2,0.3

mp,ex,3,2.0E5            
mp,nuxy,3,0.2             !3号材料对应 接触对材料号


!---------------------        
tb,miso,1                  !换热管材料应力应变曲线
tbpt,,0.00145,275.5
tbpt,,0.01,307
tbpt,,0.02,330
tbpt,,0.03,360
tbpt,,0.04,380
tbpt,,0.05,405
tbpt,,0.06,420
tbpt,,0.07,440
tbpt,,0.08,455
tbpt,,0.09,470
tbpt,,0.10,480
  
!-------         
tb,miso,2                   !管板材料应力应变曲线   
tbpt,,0.0017,357
tbpt,,0.01,360
tbpt,,0.02,400
tbpt,,0.03,430
tbpt,,0.04,445
tbpt,,0.05,460
tbpt,,0.06,470
tbpt,,0.07,483
tbpt,,0.08,493
tbpt,,0.09,507
tbpt,,0.10,510

! **********建立模型**********                       !111


CSYS,1
CYL4,0,0,Ri,0,Ro,30,-450      !换热管
CYL4,0,0,Ri_b,0,33,30,-380     !管板外层圆环
vgen,,1,,,,,3,,,1                !移动管
CYL4,22,0,0,0,Ri_b,180,-380      !另一个孔
vsbv,2,3

wpstyle,,,,,,,,1
wpoff,,,-30
cyl4,,,8.125,0,8.625,30,-10
wpoff,22,,
cyl4,,,8.125,0,8.625,180,-10
vsbv,4,3
vsbv,5,2



[ 本帖最后由 tiexie1986 于 2009-11-2 13:39 编辑 ]

tiexie1986

高手都帮忙看看啊。。

jxxansys

应该是free网格

tiexie1986

原帖由 jxxansys 于 2009-11-3 16:20 发表

                               
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应该是free网格

solid45是六面体单元，free的话不是只能得到四面体网格么？

16443

是

jxxansys

利用SOLID45也可以得到四面体单元

venture

试了一下，SWEEP后全6面体。