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Rainbow_1990

铁虫 (初入文坛)

[求助] 按照书上的例子做练习,是关于地铁隧道的,求解总是出错,命令流如下,求大神指点 已有1人参与

fini
/cle
*set,x1,-12
*set,y1,-12
*set,w1,28.9
*set,h1,30.15

*set,x2,-25
*set,y2,-12
*set,w2,13
*set,h2,30.15

*set,x3,16.9
*set,y3,-12
*set,w3,13
*set,h3,30.15

*set,x4,-25
*set,y4,-30
*set,w4,54.9
*set,h4,18
*set,th,0.4
*set,length_z,50

/prep7
et,1,mesh200,2
et,2,mesh200,6
et,3,shell63
et,4,solid45
r,1,th
mp,ex,1,3.0e10
mp,prxy,1,0.2
mp,dens,1,2700
mp,ex,2,2.5e8
mp,prxy,2,0.32
mp,dens,2,2200
mp,ex,3,2.5e8
mp,prxy,3,0.32
mp,dens,3,2200
save
!建模
k,,0,0
k,,0,3.85
k,,0.88,5.5
k,,2.45,6.15
k,,4.02,5.5
k,,4.9,3.85
k,,4.9,0
save
larc,1,2,6,8.13
larc,2,3,6,3.21
larc,3,4,6,2.22
larc,4,5,2,2.22
larc,5,6,2,3.21
larc,6,7,2,8.13
larc,7,1,4,6
a,1,2,3,4,5,6,7
save
blc4,x1,y1,w1,h1
blc4,x2,y2,w2,h2
blc4,x3,y3,w3,h3
blc4,x4,y4,w4,h4
/pnum,area,1
aplot
/image,save,1,bmp
save
aovl,1,2,3,4,5
nummrg,all,,,,low
numcmp,all
save
l,1,8
l,7,9
l,6,10
l,2,11
lsel,s,line,,21,22,1
lsel,a,line,,7
asbl,5,all
lsel,s,line,,21,24,3
lsel,a,line,,1
asbl,7,all
lsel,s,line,,22,23,1
lsel,a,line,,6
asbl,8,all
nummrg,all,,,,low
numcmp,all
shpp,modify,1,1000
save
lsel,s,line,,2,5,1
lccat,all
lesize,all,,,3
lsel,s,line,,9,11,2
lsel,a,line,,6
lsel,a,line,,1
lesize,all,,,8
lsel,s,line,,8,10,2
lsel,a,line,,7
lesize,all,,,12
lsel,s,line,,21,24,1
lesize,all,,,10,2
type,2
asel,s,area,,5,8,1
amesh,all
save
asel,s,area,,1
amesh,1
lsel,s,line,,12,13,1
lesize,all,,,8
lsel,s,line,,15,18,1
lesize,all,,,6,2
asel,s,area,,2,3,1
amesh,all
lsel,s,line,,14
lesize,all,,,24
lsel,s,line,,19,20,1
lesize,all,,,6,2
lsel,s,line,,15,17,2
lsel,a,line,,8
lccat,all
asel,s,area,,4
amesh,all
lsel,s,lcca
ldele,all
nummrg,all,,,,low
numcmp,all
save

allsel
k,1000,,,-length_z
l,1,1000
/view,1,1,1,1
/replot
extopt,esize,10,0   
lsel,s,line,,1,7,1
adrag,all,,,,,,25   
gplot
type,3
real,1
mat,1
asel,s,loc,z,-25
aplot
lsel,s,loc,z,-25
lesize,all,,,10
mshape,0,2d
mshkey,1
amesh,all
save
asel,invert
aplot
extopt,esize,10,0
extopt,aclear,1
type,4
mat,2
asel,s,area,,2,8,1
vdrag,all,,,,,,25
allsel
mat,3
vdrag,1,,,,,,25
eplot
nummrg,all,,,,low
numcmp,all
esel,s,elem,,6801
emodif,all,mat,3
esel,all
finish


/solu
antype,static
asel,s,loc,x,x2
asel,a,loc,x,x2+w4
da,all,ux,0
allsel
asel,s,loc,y,y4
da,all,uy,0
allsel
asel,s,loc,z,-length_z
asel,a,loc,z,0
da,all,uz,0
allsel
acel,,10  
save
deltim,0.1,0.05,0.2
autots,on
pred,on
lnsrch,on
nlgeom,on
nropt,full
cnvtol,f,,0.02,2,0.5
save
esel,s,type,,3
ekill,all
esel,all
esel,s,live
nsel,all
nsel,invert
d,all,all
nsel,all
esel,all
allsel
solve
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htbbzzg

铁杆木虫 (著名写手)

你的例子是哪本书上的?出什么错?
2楼2014-03-16 09:23:48
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htbbzzg

铁杆木虫 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
问题出在下面两句话 (是你自己加上的吗?否则就是作者的问题了):
  nummrg,all,,,,low
  numcmp,all
它们把材料 3 合并到材料 2 了,因而大量单元找不到所需的材料数据。
把材料 3 的任意一个数据略微改一下就可以解决问题。比如,将密度改为:
  mp,dens,3,2201
即可。
3楼2014-03-17 08:36:30
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