Is it possible to change the boundary conditions between the prestressing analysis and the modal analysis in a pre-stressed modal analysis.


In Release 10.0, it is possible to change the boundary conditions between the prestressing analysis and the modal analysis in a pre-stressed modal analysis.

/prep7
et,1,182,2
mp,ex,1,10e6
mp,prxy,1,.3
mp,dens,1,1e-4
mp,alpx,1,1e-6
rect,0,100,0,1
esize,1
amesh,1
nsel,s,loc,x,0
cm,end1_n,node
d,all,all,0
alls

/solu
antype,modal
modopt,lanb,3
solve
fini

/solu
antype,static
tref,0
tunif,0
nsel,s,loc,x,100
cm,end2_n,node
d,all,all,0
alls
bf,all,temp,100
pstres,on
solve
fini

/solu
antype,modal
modopt,lanb,3
pstres,on
cmsel,s,end2_n
ddele,all,all
alls
solve





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