电流密度加载问题
另外还有个问题是忘各位看看我在加载对流系数时，是否将对流系数加载在表面单元152上？？？谢谢程序流如下：
/filname, continuos pluse spark on wire electrode
/title, continuos pluse spark on wire electrode
keyw,pr_therm,1
/prep7
ET,1,SOLID70
ET,2,SURF152
/units,si
MPTEMP,,20,100,500,1000,2000
MPDATA,kxx,,,167.5,159.2,121.5,111.0,93.0
mp,c,154.91
mp,DENS,19300
!模型的建立
cyl4,30e-6,30e-6,15e-6,180,,360,30e-6
lsel,s,,,4
lgen,15,all,,,,,-2e-6
allsel
lsel,s,,,3,4
ldive,all,,,24
allsel
lstr,35,58
lstr,36,59
lstr,37,60
lstr,38,61
lstr,39,62
lstr,40,63
lstr,41,64
lstr,42,65
lstr,43,66
lstr,44,67
lstr,45,68
lstr,46,69
lstr,47,70
lstr,48,71
lstr,49,72
lstr,50,73
lstr,51,74
lstr,52,75
lstr,53,76
lstr,54,77
lstr,55,78
lstr,56,79
lstr,57,80
asel,s,,,3
lsel,a,,,35,57
lsel,a,,,58,80
asbl,all,all
allsel
!网格划分
lsel,s,,,5,6
lsel,a,,,1,2
lesize,all,,,5
allsel
lsel,u,,,5,6
lsel,u,,,1,2
lsel,u,,,9
lesize,all,,,2
allsel
mshape,1,3d
mshkey,0
vsel,s,,,1
vmesh,1
allsel
!加载
/solu
antype,trans
trnopt,full
J=0.5E-6
time,J
nsubst,5
autots,on
outres,,all
kbc,1
initemp=25
bfunif,temp,initemp
nsel,all
sfdele,all,hflux
sfdele,all,conv
esel,s,type,,2
allsel
asel,u,,,1,2,1
asel,u,,,4,5,1
sfa,all,,conv,15,25
allsel
esel,s,type,,1
asel,s,,,221
sfa,all,,hflux,0.44e8
allsel
solve 上面的第一个问题是我在加载电流密度时，不知道为什麽结果是各个节点的温度都是一样的即是8219度
页:
[1]