!!!!!1, fr,2,copper,3,plcc,4,solder!!!!!!!!
finish
/clear
/file, pcb thermalmechanical analysis
/title, pcb thermalmechanical analysis
/prep7
et,1,70
lpcb=200
wpcb=180
uh=0.2
wplcc=30
thplcc=1
thsd=0.5
l1=85
l2=45
w1=45
hair=10
tair=25
hng=30
t1=230
t2=180
t3=260
t4=25
mp,dens,1,1870e-9
mp,kxx,1,0.25
mptemp,1,30,70,100,130,220
mpdata,c,1,1,1200e6,1380e6,1452e6,1512.5e6,1625e6
mp,dens,2,8933e-9
mp,kxx,2,394
mp,c,2,390e6
mp,dens,3,1800e-9
mp,kxx,3,18
mptemp,1,40,80,160,170,220,225,230,250
mpdata,c,3,1,740e6,850e6,880e6,960e6,970e6,1050e6,920e6,900e6
mp,dens,4,8350e-9
mp,kxx,4,50.9
mp,c,4,0.15e6
block,0,lpcb,0,wpcb,0,0.5*uh
block,0,lpcb,0,wpcb,0.5*uh,1.5*uh
block,0,lpcb,0,wpcb,1.5*uh,2.5*uh
block,0,lpcb,0,wpcb,2.5*uh,3.5*uh
block,0,lpcb,0,wpcb,3.5*uh,4.5*uh
block,0,lpcb,0,wpcb,4.5*uh,5.5*uh
block,0,lpcb,0,wpcb,5.5*uh,6.5*uh
block,0,lpcb,0,wpcb,6.5*uh,7*uh
/pnum,volu,1
vplot
block,l1,l1+wplcc,w1,w1+wplcc,0,7*uh+thsd
block,l2,l2+wplcc,wpcb-w1-wplcc,wpcb-w1,0,7*uh+thsd
block,lpcb-l2-wplcc,lpcb-l2,wpcb-w1-wplcc,wpcb-w1,0,7*uh+thsd
block,l1,l1+wplcc,w1,w1+wplcc,7*uh+thsd,7*uh+thsd+thplcc
block,l2,l2+wplcc,wpcb-w1-wplcc,wpcb-w1,7*uh+thsd,7*uh+thsd+thplcc
block,lpcb-l2-wplcc,lpcb-l2,wpcb-w1-wplcc,wpcb-w1,7*uh+thsd,7*uh+thsd+thplcc
vsel,all
vovlap,all
vglue,all
vsel,all
wprot,0,90
wpoffs,0,0,-w1
vsbw,all
wpave
wpoffs,0,0,-w1-wplcc
vsbw,all
wpave
wpoffs,0,0,-(wpcb-w1-wplcc)
vsbw,all
wpave
wpoffs,0,0,-(wpcb-w1)
vsbw,all
wpave
wpcsys,0
wprot,0,0,90
wpoffs,0,0,l2
vsbw,all
wpoffs,0,0,wplcc
vsbw,all
wpoffs,0,0,l1-l2-wplcc
vsbw,all
wpoffs,0,0,wplcc
vsbw,all
wpave
wpoffs,0,0,lpcb-l2
vsbw,all
wpoffs,0,0,-wplcc
vsbw,all
wpave
wpcsys
vsel,s,loc,z,0,0.5*uh
vsel,a,loc,z,1.5*uh,2.5*uh
vsel,a,loc,z,4.5*uh,5.5*uh
vsel,a,loc,z,6.5*uh,7*uh
vatt,2,,1
allsel
vsel,s,loc,z,0.5*uh,1.5*uh
vsel,a,loc,z,2.5*uh,4.5*uh
vsel,a,loc,z,5.5*uh,6.5*uh
vatt,1,,1
allsel
vsel,s,loc,z,7*uh,7*uh+thsd
vatt,4,,1
allsel
vsel,s,loc,z,7*uh+thsd,7*uh+thsd+thplcc
vatt,3,,1
allsel
lesize,all,10
vmesh,all
mshape,0
mshkey,1
这么分网不行。后来单独对体16、19、22和体17、20、23指定网格大小进行扫掠,这六个体网格划分没问题,对剩下的体进行网格划分时显示“单元尺寸violate单元尺寸限制”,大家帮我看看该怎么分网比较好呢?
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