预紧分析

发布日期:[08-12-04 14:28:17] 浏览人次:[]

/prep7
/title, Sample application of PSMESH

et,1,92
mp,ex,1,1e7
mp,alpx,1,1.3e-5
mp,prxy,1,0.30
mp,ex,2,3e7
mp,alpx,2,8.4e-6
mp,prxy,2,0.30
tref,70

/foc,,-.09,.34,.42
/dist,,.99
/ang,,-55.8
/view,,.39,-.87,.31
/pnum,volu,1
/num,1
cylind,0.5,, -0.25,0, 0,180
cylind,0.5,, 1,1.25, 0,180
cylind,0.25,, 0,1, 0,180
wpoff,.05
cylind,0.35,1, 0,0.75, 0,180
wpoff,-.1
cylind,0.35,1, 0.75,1, 0,180
wpstyle,,,,,,,,0
vglue,all
numc,all
vplot
mat,1
smrt,off
vmesh,4,5
mat,2
vmesh,1,3
/pnum,mat,1
eplot
psmesh,,example,,volu,1,0,z,0.5,,,,elems
CM,lines,LINE
/dist,,1.1
cmplot
/solu
eqslve,pcg,1e-8
asel,s,loc,y
da,all,symm
asel,all
dk,1,ux
dk,12,ux
dk,1,uz
sload,1,9,,force,100,1,2
/title,Sample application of PSMESH - preload only
solve
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!Finally, we construct the actual solution of interest. We want to
!know what happens to the preload in the bolt, and the stress field around
!it, when the assembly temperature rises to 150° F.
!Both the preload and the stresses increase because, for a uniform
!temperature rise, there is greater thermal expansion in the aluminum plates
!than in the steel bolt. Any method for applying preload that did not
!allow the load to change would be unable to predict this result.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
/post1
plnsol,s,z
/solu
antype,,restart
tunif,150
/title,Sample application of PSMESH - uniform 150°
solve

/post1
plnsol,s,z www.mapeng.net 马棚网
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本文关键字:预紧  分析
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