计算导线串入磁环的电感
本帖最后由 青梅煮酒论英雄 于 2014-1-15 09:43 编辑现在做在导线上串上高导磁环,计算其产生的电感。请问边界条件如何施加?用Imatrix计算电感时,导线可以看做是单匝的线圈吗?以下是编写的命令流,最终磁感应强度B应该是环绕导线的,但计算结果明显不对,求大神看看哪地方不对?所建模型中最中间为导线,外面的为磁环,其余为空气。
/prep7
n1=1
s1=0.0000015
symfac=1
nc=1 ! number of coils
*dim,cur,array,nc
*dim,coils,char,nc
coils(1)='wind1'
et,1,117
mp,murx,1,1300
mp,murx,2,1
mp,murx,3,1
mp,rsvx,3,0.0000000175
CYLIND,0.00138, ,0,0.028,0,360,
CYLIND,0.0174,0.009,0,0.028,0,360,
CYLIND,0.03,0,0,0.028,0,360,
vovlap,all
VSEL, , , , 1
VATT, 3, , 1, 0
VSEL, , , , 2
VATT, 1, , 1, 0
VSEL, , , , 4
VATT, 2, , 1, 0
VSEL, , , , 5
VATT, 2, , 1, 0
allsel,all
SMRTSIZE,4
MSHAPE,1
mshkey,0
vmesh,all
allsel
cur(1)=0.001
JS1=cur(1)*n1/s1
VSEL,S,MAT,,3,3
bfv,all,js,JS1,0,0
cm,coils(1),elem
/prep7
/solu
antype,0
eqslv,front
magsolv
finish
/post1
/out
/com,
*abbr,*uilist,/replot
lmatrix,symfac,'wind','cur','ind'
L1=ind(1,1)
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