!EX9.4 平面懸臂梁的預(yù)應(yīng)力模態(tài)分析
finish
/clear
/prep7
et,1,beam3
mp,ex,1,2.1e11
mp,prxy,1,0.3
mp,dens,1,7800
r,1,0.06,0.00045,0.3
k,1
k,2,6
l,1,2
lesize,all,,,20
lmesh,all
dk,1,all
fk,2,fx,-6e6
finish
/solu
pstres,on
solve
finish
/solu
antype,2
pstres,on
modopt,lanb,3
mxpand,3
solve
finish
/post1
set,list
set,1,1
pldisp,1