请问我这个命令流为什么没有办法求解?
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FINISH
/CLEAR
/FILNAME,Beam Model
/TITLE,Simple Beam
/REPLOT
/prep7
et,1,beam188
sectype,1,beam,ctube,,0
secoffset,cent
secdata,0.02,0.05
mp,ex,1,2e5
mp,prxy,1,0.3
mp,dens,1,78.5
k,1,0,0,0
k,2,0.5,0,0
k,3,1,0,0
type,1
mat,1
l,1,3
latt,1,1,1
lesize,all,0.1
lmesh,all
/solu
antype,0
dk,1,ux,0
dk,1,uy,0
dk,1,uz,0
dk,3,uy,0
dk,3,uz,0
Fk,2,FZ,-10
solve
建立的是一个简支梁钢管