Why are the PSD Segalman-Reese SEQV values zero when I read them
in from a load case file?


You need to issue SUMTYPE,PRIN before the LCASE command as shown
in the test below.

/prep7
et,1,92
block,,10,,1,,1

mp,ex,1,1e7
mp,nuxy,1,.3
mp,dens,1,.00026

esize,1
vmesh,1

nsel,s,loc,x,0
d,all,all
nsel,all

fini

/solu
antype,modal
modop,lanb,10
mxpand,10,,,yes
solve
fini

/solu
antyp,spectrum
spopt,psd,,yes
psdfrq,1,,1,1000
psdval,1,1,1
nsel,s,loc,x,0
d,all,uy,1
nsel,all
pfact,1
psdcom
solve
fini

/post1
set,3,1
prns,s,prin
lcwrite,99,file,99
fini

/post1
lcfile,1,file,99
sumtype,prin
lcase,1
prns,s,prin





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