想让大家进来看一看

fini
/clear,start
/filname,truss
/title,the analysis of truss structure
/replot
/prep7
*set,time,15
*set,ratio,time/30
et, 1, beam188
mp,ex,1,1e10
mp,prxy,1,0.2
mp,dens,1,686.5
mp,damp,1,0.02
n,1,,$n,2,0.13,,$n,3,0.13,0.13,$n,4,0,0.13,
ngen,2,4,1,4,1,,,1
e,1,5$e,2,6$e,3,7$e,4,8
e,5,6$e,6,7$e,7,8$e,8,5
ngen,2,4,5,8,1,,,-0.227
ngen,2,8,5,8,1,,,-0.454
ngen,2,12,5,8,1,,,-0.681
ngen,2,16,5,8,1,,,-0.873
ebetw,13,9,1000,,ratio
ebetw,14,10,1001,,ratio
ebetw,15,11,1002,,ratio
ebetw,16,12,1003,,ratio
e,13,1003
e,13,1001
e,14,1000
e,14,1002
e,15,1001
e,15,1003
e,16,1002
e,16,1000
et, 1, beam188
mp,ex,1,1e10
mp,prxy,1,0.2
mp,dens,1,686.5
mp,damp,1,0.02
sectype,1,beam,t ,0
secoffset,cent
secdata,0.005,0.0055,0.0005,0.0005,0,0,0,0,0,0
sectype,2,beam,rect,,0
secoffset, cent
secdata,0.0065,0.0065,0.006,0.006,0,0,0,0,0,0
sectype,3, beam, t, , 0
secoffset,cent
secdata,0.006,0.0065,0.0005,0.0005,0,0,0,0,0,0
sectype,4, beam, rect, , 0
secoffset, cent
secdata,0.005,0.00035,0,0,0,0,0,0,0,0
sectype,5,beam,rect, , 0
secoffset, cent
secdata,0.008,0.008,0,0,0,0,0,0,0,0
lsel,s,line,,25,48,1
latt,,,,,,,4
esize,all
lesize,all,,,10
lsel,all
lsel,s,line,,1,4,1
latt,,,,,,,5
esize,all
lesize,all,,,10
lsel,all
lsel,s,line,,13,24,1
latt,,,,,,,1
esize,all
lesize,all,,,10
lsel,all
lsel,s,line,,9,12,1
latt,,,,,,,2
esize,all
lesize,all,,,10
lsel,all
lsel,s,line,,5,8,1
latt,,,,,,,3
esize,all
lesize,all,,,10
lsel,stat
lsel,all
lmesh,all
/eshape,1
做出来的结构不是通过节点建立的 而是通过实体建
模来建立的 想要问问 如何使结构的梁和柱的相交处产生约束联系