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北京石油化工学院2026年研究生招生接收调剂公告
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wuheling

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[求助] ansys找形问题

膜结构找形时,提示Real  constant 1 referenced by at least element typrs 1(SHELL41) and 2(LINK10),这是说我两种单元类型都用了第一组实常数吗,请高手指点怎么修改。命令流如下:
finish
/clear
/prep7
em1=1.5e9/1e3
em2=1.5e11/1e3
em3=2e11
bos1=0.34
bos2=0.3
bos3=0.3
ref=1
sig0=3e6
dett=-(1-bos1)*sig0/(em1*ref)
k,1,0.75,0.75
k,2,-0.75,0.75
k,3,sqrt(2)/20,sqrt(2)/20
k,4,-sqrt(2)/20,sqrt(2)/20
l,1,2
csys,1
a,4,3,1,2
csys,0

et,1,shell41,2
et,2,link10
mp,ex,1,em1
mp,prxy,1,bos1
mp,alpx,1,ref
mp,ex,2,em2
mp,prxy,2,bos2
mp,ex,3,em3
mp,prxy,3,bos3
r,1,0.001
r,2,1.13e-4,0.4128
r,3,3e-4,

mshape,1
mshkey,1
esize,,30
aatt,1,1,1
amesh,all
lsel,s,line,,1
latt,2,2,2
lsel,s,line,,2
latt,3,3,2
lsel,all
lmesh,all
csys,1
agen,,all,,,,45,,,,1
csys,0
arsym,x,all
arsym,y,all
nummrg,all

dk,1,all
dk,2,all
dk,11,all
dk,8,all
lsel,s,radius,,0.1
dl,all,,uz,0.5
dl,all,,uy
dl,all,,ux
allsel,all
bfa,all,temp,dett
/solu
antype,0
nlgeom,on
sstif,on
nsubst,50
cnvtol,f,,0.01
solve
finish
/post1
pldisp
plnsol,s,eqv
finish
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