本帖最后由 mybq 于 2014-7-9 10:59 编辑
永磁体直径为2cm,高度为3cm,N35钕铁硼磁铁,磁极在轴线方向,有限元计算的结果显示中间段的磁性更强,但是与实测的差距很远,现在把命令流和计算结果附在下面。请各位高人不吝指点。
!命令流
finish
/clear
/prep7
emunit,mks
et,1,solid96
mp,murx,1,1
mp,murx,2,1.05
mp,mgyy,2,883000
k,1,-0.01-0.1,,0.01+0.1
k,2,-0.01-0.1,,-(0.01+0.1)
k,3,0.01+0.1,,-(0.01+0.1)
k,4,0.01+0.1,,0.01+0.1
a,1,2,3,4
wprota,,90
cyl4,,,0.01
aovlap,1,2
wpcsys,-1
numcmp,all
vext,all,,,,0.1
asel,s,loc,y,0.1
vext,all,,,,0.03
asel,s,loc,y,0.13
vext,all,,,,0.1
allsel,all
mat,1
esize,0.005
vsweep,all
vsel,s,,,3
eslv,s
mpchg,2,all
allsel,all
asel,s,loc,y,0
asel,a,loc,y,0.23
asel,a,loc,x,-(0.01+0.1)
asel,a,loc,x,0.01+0.1
asel,a,loc,z,-(0.01+0.1)
asel,a,loc,z,0.01+0.1
da,all,mag,0
/solu
allsel,all
solve
/post1
esel,s,mat,,2
plnsol,b,y
|