SSI建模出问题,求助

qchen887

我建了一个四层钢管混凝土框架模型,结果模态分析做不出来,分析结果全是0,本人是初学者,希望哪位大侠帮我调一下
finish  
/clear  
/prep7  
et,1,beam189
et,2,shell63
et,3,combin14   
R,1,0.05
R,2,0.06,   
R,3,0.09,   
R,4,4.86e6,
mp,ex,1,6.2485e10   
mp,prxy,1,0.25  
mp,dens,1,3058  
mp,ex,2,2e11
mp,prxy,2,0.3   
mp,dens,2,7800  
mp,dens,3,2500  
mp,ex,3,6.3667e9
mp,prxy,3,0.167
mp,ex,4,3.0e10  
mp,prxy,4,0.167
mp,dens,4,2500  
mp,damp,5,0.05  
k,1,
k,2,0.68,   
k,3,,,0.68  
k,4,0.68,,0.68  
k,5,,0.5,   
k,6,0.68,0.5,   
k,7,,0.5,0.68   
k,8,0.68,0.5,0.68   
sectype,1,beam,csolid   
secoffset,cent  
secdata,0.0415,
sectype,2,beam,I,   
secoffset, user, , 0.05
secdata,0.05,0.05,0.05,0.003,0.003,0.004,   
l,1,5   
l,2,6   
l,3,7   
l,4,8   
l,5,6   
l,5,7   
l,6,8   
l,7,8   
al,5,7,8,6  
agen,4,1,1,1,,0.4,,5
l,5,10  
l,6,11  
l,7,12  
l,8,13  
l,10,15
l,11,16
l,12,17
l,13,18
l,15,20
l,16,21
l,17,22
l,18,23
k,100,-0.11,,-0.11
k,101,0.79,,-0.11   
k,102,-0.11,,0.79   
k,103,0.79,,0.79
k,104,-0.11,-0.6,-0.11  
k,105,0.79,-0.6,-0.11   
k,106,-0.11,-0.6,0.79   
k,107,0.79,-0.6,0.79
l,100,101   
l,100,1
l,101,2
l,100,102   
l,102,103   
l,101,103   
l,102,3
l,103,4
l,1,2   
l,1,3   
l,2,4   
l,3,4   
l,100,104   
l,101,105   
l,103,107   
l,102,106   
l,104,105   
l,104,106   
l,105,107   
l,106,107   
lsel,all
lglue,all   
al,33,35,41,34  
al,41,43,44,42  
al,35,38,40,43  
al,40,37,39,44  
al,42,39,36,34  
al,33,46,49,45  
al,45,50,48,36  
al,38,46,51,47  
al,37,47,52,48  
al,49,51,52,50  
asel,all
aglue,all   
k,110,-0.51,,-0.11  
l,110,100   
lgen,4,53,53,1,,,0.3,20
lgen,4,53,56,1,,-0.2,,100
k,500,0.79,,1.19
l,103,500
lgen,4,69,69,1,-0.3,,,20
lgen,4,69,72,1,,-0.2,,100
k,900,1.19,,-0.11
l,900,101
lgen,4,85,85,1,,,0.3,20
lgen,4,85,88,1,,-0.2,,100
k,1600,0.79,,-0.51
l,101,1600
lgen,4,101,101,1,-0.3,,,500
lgen,4,101,104,1,,-0.2,,100
k,3500,-0.11,-1,-0.11
l,3500,104
lgen,4,117,117,1,0.3,,,20
lgen,4,117,120,1,,,0.3,200
lsel,all
lglue,all
asel,all
aglue,all
nummrg,all
numcmp,all
type,1  
mat,1   
lsel,s,loc,x,0  
lsel,a,loc,x,0.68   
lsel,r,loc,z,0  
lesize,all,0.1  
lmesh,all
type,1  
mat,1   
lsel,s,loc,x,0  
lsel,a,loc,x,0.68   
lsel,r,loc,z,0.68   
lesize,all,0.1  
lmesh,all   
type,1  
mat,2   
lsel,s,loc,y,0.5
lsel,a,loc,y,0.9
lsel,a,loc,y,1.3
lsel,a,loc,y,1.7
lesize,all,0.1  
lmesh,all   
type,2  
mat,3   
real,1  
asel,s,loc,y,0.5
asel,a,loc,y,0.9
asel,a,loc,y,1.3
asel,a,loc,y,1.7
amesh,all
type,2
mat,4
real,2
lsel,all
lesize,all,0.1
asel,s,loc,y,0
asel,a,loc,x,-0.11
asel,a,loc,x,0.79
asel,a,loc,z,-0.11
asel,a,loc,z,0.79
amesh,all
type,2
mat,4
real,3
asel,s,loc,y,-0.6
amesh,all
type,3
real,4
lsel,s,loc,y,0
lsel,a,loc,y,-0.2
lsel,a,loc,y,-0.4
lsel,a,loc,y,-0.6
lsel,a,loc,x,-0.11
lsel,a,loc,x,0.19
lsel,a,loc,x,0.49
lsel,a,loc,x,0.79
lsel,u,loc,x,0
lsel,u,loc,x,0.68
lsel,u,loc,z,,
lsel,u,loc,z,0.68
lesize,all,0.1
lmesh,all
nsel,s,loc,x,-0.51
nsel,a,loc,x,1.19
nsel,a,loc,z,-0.51
nsel,a,loc,z,1.19
nsel,a,loc,y,-1
d,all,,,,,,all
allsel,all  
eplot   
finish