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热压成型主要是将聚合物加热到软化,再将模具压上到冷却。
/FILNAME,hotemboss3D,1
/title,hotemboss3D
KEYW,PR_SET,1
KEYW,PR_STRUC,1
KEYW,PR_THERM,0
KEYW,PR_FLUID,0
KEYW,PR_ELMAG,0
KEYW,MAGNOD,0
KEYW,MAGEDG,0
KEYW,MAGHFE,0
KEYW,MAGELC,0
KEYW,PR_MULTI,0
KEYW,PR_CFD,0
KEYW,LSDYNA,1
/prep7
et,1,164
!Enter Nikle Material Properties For die unit(g,mm,s)
EDMP,RIGI,1,6,7 !rigid body
mp,ex,1,74e9
mp,nuxy,1,0.33
mp,dens,1,2.8e3
! Enter PMMA Material Properties
mp,dens,2,1.18e3
mp,ex,2,7e9
mp,nuxy,2,0.35
TB,PLAW,2,,,4
TBDAT,1,1.16e6
TBDAT,2,0
TBDAT,3,0.32
TBDAT,4,0
!
!*****************************************
!Create and mesh die
k,1,0.,0
k,2,4,0
k,3,4,8
k,4,12,8
k,5,12,12
k,6,0.0,12
a,1,2,3,4,5,6
vext,all,,,,,-12
lsel,all
lesize,all,4
vsweep,1
!
!
!Creat and Mesh PMMA
BLOCK,0.0,20,-32,0,0,-12,
mat,2
desize,14
vmesh,2
!
EDPART,CREATE
!Apply contact information
EDCGEN,ASTS, 2, 1,0.1,0,0,0,4, , , , ,0,10000000,0,0
!Apply Displacements To die
*dim,time1,array,3,1,1
*dim,disp1,array,3,1,1
time1(2,1,1)=0.8
time1(3,1,1)=0.9
disp1(2,1,1)=-8
disp1(3,1,1)=-8.1
EDLOAD,ADD,RBUY,0,1,TIME1,disp1, 0, , , , ,
!
!******Apply Constraints To Bottom of PMMA
nsel,s,loc,y,-32
d,all,ux,0
d,all,uy,0
d,all,uz,0
!**********Apply Contraints To X=0 plan of PMMA,for
asel,s,loc,x,0
asel,r,loc,y,-32,0
nsla,s,1
d,all,ux,0
/solu
time,0.8
edrst,20
edhtime,90
allsel,all
save
!solve |
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