ANSYS 解桁架问题
求懂ANSYS的过来给看看,本人通过建模编写了一段程序 计算空间桁架的 现在有警告 加载力后结果可以出。但我改变了弹性模量、密度和泊松比后 加载力不变结果居然也不变。实在找不到程序的问题在哪里,求教各位大神指点一二。/unit,si
/filname,sjf123456
/prep7
pi=3.1415926
et,1,link8
r,1,pi*(0.365e-3)**2
mp,ex,1,1.14e11
mp,dens,1,4428
MP,PRXY,1,0.34
aa=sqrt(2)/1000
bb=2*sqrt(2)/1000
k,1,-aa,0,0
k,2,aa,0,0
k,3,0,0,aa
k,4,0,0,-aa
k,5,0,aa,0
k,6,0,-aa,0
l,1,5
l,3,5
l,4,5
l,2,5
l,1,6
l,3,6
l,4,6
l,2,6
lgen,5,1,8,1,bb,0,0
lgen,5,1,40,1,0,bb,0
lgen,5,1,200,1,0,0,bb
nummrg,all
numcmp,all
allsel
LSEL,s,,,1,1000,1
latt,1,1,1
lesize,all,,,1
lmesh,all
ksel,s,loc,y,-bb/2
dk,all,all,0
allsel
dk,all,ux,,,,,uz
finish
/solu
antype,static
outres,all,all
timint,off
ksel,s,loc,y,4.5*bb
fk,all,fy,-300000
ksel,all
solve
finish
/post1
etable,stre,ls,1
pletab,stre
*** WARNING *** CP = 10.000 TIME= 19:57:55
No data item specified.The PLNSOL command is ignored.
/COM,ANSYS RELEASE 12.0.1UP20090415 20:49:22 04/09/2012
/COM,ANSYS RELEASE 12.0.1UP20090415 20:54:52 04/09/2012
/solu中solve之前allsel,all
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