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[前后处理] 混凝土网格划分不了,请高手帮忙,灰常着急

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发表于 2012-5-8 17:16 | 显示全部楼层 |阅读模式

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x
finish
/clear
/prep7
et,1,solid65
et,2,link8
mp,ex,1,21945    !定义混凝土的弹性模量、泊松比和密度
mp,prxy,1,0.2
mp,dens,1,2300e-12
fc=23.1           !混凝土单轴抗压强度和单轴抗拉强度
ft=1.89
tb,concr,1        !定义混凝土材料及相关参数,关闭压碎
tbdata,,0.4,0.90,ft,-1
tb,miso,1,,11     !定义混凝土应力应变曲线,用miso模型
tbpt,,0.0002,fc*0.19
tbpt,,0.0004,fc*0.36
tbpt,,0.0006,fc*0.51
tbpt,,0.0008,fc*0.64
tbpt,,0.001,fc*0.75
tbpt,,0.0012,fc*0.84
tbpt,,0.0014,fc*0.91
tbpt,,0.0016,fc*0.96
tbpt,,0.0018,fc*0.99
tbpt,,0.002,fc
tbpt,,0.0033,fc*0.85
mp,ex,2,2.0e5    !钢筋材料的弹性模量和泊松比
mp,prxy,2,0.3
mp,ex,3,1.95e5   !预应力钢筋的弹性模量、泊松比和密度
mp,prxy,3,0.3
mp,dens,3,7921e-12
tb,biso,2        !定义钢筋应力应变曲线,用biso模型
tbdata,,300,0
r,1,140    !预应力钢绞线的公称截面面积
r,2,490.9  !直径25mm的钢筋截面面积490.9mm2
r,3,113.1  !直径12mm的钢筋截面面积113.1mm2
r,4,50.3   !直径8mm的钢筋截面面积50.3mm2
r,5,

!2.创建几何模型
k,1  !混凝土
k,2,,100.0010
k,3,100.9702,137.4000
k,4,46.1538,850.0000
k,5,943.8450,850.0000
k,6,889.0319,137.4000
k,7,990,100.0010
k,8,990,0
a,1,2,3,4,5,6,7,8

/view,1,1,1
/ang,1
vext,all,,,,,20000
rpr4,8,495.000,450.000,312.6000,,20000
vsbv,1,2

wpcsys,-1    !预应力筋
lsel,none
k,33,95,36.4000,3400.0000
k,34,95,36.4000,16600.0000
l,33,34
k,35,145,36.4000,20.0000
k,36,145,36.4000,19980.0000
l,35,36
k,37,195,36.4000,6100.0000
k,38,195,36.4000,13900.0000
l,37,38
k,39,245,36.4000,1600.0000
k,40,245,36.4000,18400.0000
l,39,40
k,41,295,36.4000,2400.0000
k,42,295,36.4000,17600.0000
l,41,42
k,43,345,36.4000,20.0000
k,44,345,36.4000,19980.0000
l,43,44
k,45,395,36.4000,4500.0000
k,46,395,36.4000,15500.0000
l,45,46
k,47,495,36.4000,6100.0000
k,48,495,36.4000,13900.0000
l,47,48
k,49,595,36.4000,4500.0000
k,50,595,36.4000,15500.0000
l,49,50
k,51,645,36.4000,20.0000
k,52,645,36.4000,19980.0000
l,51,52
k,53,695,36.4000,2400.0000
k,54,695,36.4000,17600.0000
l,53,54
k,55,745,36.4000,1600.0000
k,56,745,36.4000,18400.0000
l,55,56
k,57,795,36.4000,6100.0000
k,58,795,36.4000,13900.0000
l,57,58
k,59,845,36.4000,20.0000
k,60,845,36.4000,19980.0000
l,59,60
k,61,895,36.4000,3400.0000
k,62,895,36.4000,16600.0000
l,61,62
cm,sline,line
lsel,all
wpcsys,-1

wpcsys,-1
wprota,,,-90
wpoff,,,-139.0012
vsbw,all
wpoff,,,-134.9572
vsbw,all
wpoff,,,-71.0435
vsbw,all
wpoff,,,-149.9981
vsbw,all
wpoff,,,-150.0031
vsbw,all
wpoff,,,-71.0384
vsbw,all
wpoff,,,-134.9623
vsbw,all

wpcsys,-1
vsel,all  
wprota,,90
wpoff,,,-36.4000
vsbw,all
wpoff,,,-41.1304
vsbw,all
wpoff,,,-22.4976
vsbw,all
wpoff,,,-27.5039
vsbw,all
wpoff,,,-9.8960
vsbw,all
wpoff,,,-91.5584
vsbw,all
wpoff,,,-221.0416
vsbw,all
wpoff,,,-221.0415
vsbw,all
wpoff,,,-91.5585
vsbw,all
wpoff,,,-56.2029
vsbw,all


wpcsys,-1               !切出拉区纵筋竖向位置
vsel,s,loc,y,0,77.5034   
wprota,,,-90
wpoff,,,-45
vsbw,all
wpoff,,,-400
vsbw,all
wpoff,,,-100
vsbw,all
wpoff,,,-400
vsbw,all
vsel,all
vplot

wpcsys,-1       !切出加载位置和加载面
wpoff,,,525
vsbw,all
wpoff,,,8475
vsbw,all
wpoff,,,2000
vsbw,all
wpoff,,,8475
vsbw,all

nummrg,all,,,,low !整理
numcmp,all !压缩编号

!3.划分钢筋网格
elemsiz=50
lsel,s,loc,x,45  !拉区普通钢筋,定义组件,设置属性等
lsel,a,loc,x,445
lsel,a,loc,x,545
lsel,a,loc,x,945
lsel,r,loc,y,36.4000
cm,lqp,line
latt,2,3,2
lesize,all,elemsiz

lsel,s,loc,x,45   !洞口下方普通钢筋,定义组件,设置属性等
lsel,a,loc,x,945
lsel,r,loc,y,77.5034
cm,lqpt,line
latt,2,3,2
lesize,all,elemsiz

lsel,s,loc,x,139.0012  
lsel,a,loc,x,851.0038
lsel,r,loc,y,127.504
cm,lqpto,line
latt,2,3,2
lesize,all,elemsiz

lsel,s,loc,x,139.0012 !压区普通钢筋,定义组件,设置属性等
lsel,a,loc,x,345.0019
lsel,a,loc,x,645.0031
lsel,a,loc,x,851.0038
lsel,r,loc,y,818.8029
cm,yqp,line
latt,2,3,2
lesize,all,elemsiz

nummrg,all,,,,low !整理
numcmp,all !压缩编号

cmsel,s,lqp
cmsel,a,lqpt
cmsel,a,lqpto
cmsel,a,yqp
cm,gj,line
lmesh,all
lsel,all
!/eshape,1
eplot
vsel,all
vplot
钢筋网格已经划分,solid65单元建的实体网格划分不了,请高手帮忙,看看有没有什么好的划分办法,谢谢
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 楼主| 发表于 2012-5-8 17:16 | 显示全部楼层
采用分离式模型加的普通钢筋,在我能力范围内,尝试了不少次,结果混凝土网格划分不了,纠结了好久了,所以非常着急
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