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dongkai0806

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金币: 231.5
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虫号: 3597518
注册: 2014-12-16
专业: 机械动力学

[求助] 求助大神帮我看看ansys二维静态磁场仿真不收敛的问题，不尽感激

下面是我的ansys电磁场仿真程序
/prep7
ET,1,PLANE13             ! 指定单元
KEYOPT,1,3,1                ! 指定分析类型为轴对称
EMUNIT,MKS                ! 单位制
TB, BH, 1, , 14                   ! 磁流变液BH曲线
TBPT, DEFI, 18000, 0.125
TBPT, , 35000, 0.25
TBPT, , 47000, 0.375
TBPT, , 61000, 0.5
TBPT, , 85000, 0.625
TBPT, , 120000, 0.75
TBPT, , 155000, 0.875
TBPT, , 200000, 1
TBPT, , 255000, 1.125
TBPT, , 330000, 1.25
TBPT, , 419000, 1.375
TBPT, , 502000, 1.5
TBPT, , 600000, 1.625
TBPT, , 705000, 1.75
TB, BH, 2, , 19             ! 缸体、活塞杆(45#钢)BH曲线
TBPT, DEFI, 410, 0.05
TBPT, , 790, 0.1
TBPT, , 1150,0.2
TBPT, , 1450,0.3
TBPT, , 1650,0.4
TBPT, , 1850,0.5
TBPT, , 2200,0.6
TBPT, , 2420,0.7
TBPT, , 2762,0.8
TBPT, , 2950,0.9
TBPT, , 3220,1
TBPT, , 3680,1.1
TBPT, , 4380,1.2
TBPT, , 5150,1.3
TBPT, , 6300,1.4
TBPT, , 8400,1.5
TBPT, , 11580, 1.6
TBPT, , 16000, 1.7
TBPT, , 24800, 1.85
TB, BH, 3, , 27                ! 活塞(电工纯铁) BH曲线
TBPT, DEFI,33,0.1
TBPT, , 71.8,0.22
TBPT, , 101.1,0.31
TBPT, , 150,0.46
TBPT, , 179.4,0.55
TBPT, , 212,0.65
TBPT, , 248,0.76
TBPT, , 298.2,0.89
TBPT, , 386.5,1.02
TBPT, , 513.6,1.15
TBPT, , 665.3,1.27
TBPT, , 753.6,1.33
TBPT, , 911.5,1.41
TBPT, , 1119.6,1.45
TBPT, , 1471.3,1.53
TBPT, , 1884,1.57
TBPT, , 2334.8,1.6
TBPT, , 2888.8,1.63
TBPT, , 4039,1.67
TBPT, , 5206.3,1.7
TBPT, , 83353,1.76
TBPT, , 10048,1.79
TBPT, , 13098,1.84
TBPT, , 15850,1.88
TBPT, , 21044,1.94
TBPT, , 35168,2.06
TBPT, , 37680,2.0
MP,MURX,4,1       ! 线圈
MP,MURX,5,1
MP,MURX,6, 1.415       ! 永磁铁相对磁导率
MP,MGXX,6, -450e3       ! 永磁铁矫顽力
MP,MURX,7, 1.415
MP,MGXX,7, 450e3
/PNUM,AREA,1          ! 建模
RECTNG,0,0.06,0,0.009
RECTNG,0,0.06, 0.009, 0.009+0.0045
RECTNG,0,0.01, 0.009+0.0045, 0.057/2
RECTNG, 0.01,0.05, 0.009+0.0045, 0.009+0.0045+0.004
RECTNG, 0.01,0.05, 0.009+0.0045+0.004, 0.009+0.0045+0.004+0.0095
RECTNG, 0.05,0.06, 0.009+0.0045, 0.057/2
RECTNG, 0,0.06, 0.06/2, 0.074/2
ARSYM,x,all          ! 镜像
AADD,1,8
AADD,6,2,3,10,9,13
AADD,7,14
AGEN, 2, all, , , 0.06, , , , 1, 1       ! 坐标轴移动到端部
RECTNG,0, 0.12,0, 0.074/2
AOVLAP,all
NUMCMP,AREA
APLOT
asel,s,,,7             ! 赋予材料  磁流变液
AATT, 1, 1, 1
asel,s,,,1          ! 赋予材料  缸体，活塞杆
asel,a,,,6
AATT, 2, 1, 1
asel,s,,, 8             ! 赋予材料  活塞
AATT, 3, 1, 1
asel,s,,,2,             ! 赋予材料  线圈
AATT, 4, 1, 1
asel,s,,,4,
AATT, 5, 1, 1
asel,s,,,3          ! 赋予材料  永磁铁
AATT, 6, 1, 1
asel,s,,,5
AATT, 7, 1, 1
/PNUM,MAT,1    ! 打开材料编号
allsel,all
APLOT
SMRTSIZE,4       ! 智能网格等级
AMESH,ALL       ! 划分网格
FINISH
/solu
n=325       ! 线圈匝数
i1=1             ! 电流
wc=0.04
hc=0.0095
acoil=wc*hc
jdens1=n*i1/acoil    ! 电流密度
ESEL,S,MAT,,4       ! 选择线圈单元
BFE,ALL,JS,,,,-jdens1    ! 电流载荷
ESEL,S,MAT,,5          ! 选择线圈单元
BFE,ALL,JS,,,,jdens1    ! 相反电流载荷
allsel,all
NSEL,EXT             ! 选择外层所有节点
D,ALL,AZ,0          ! 施加磁力线平行边界条件
Magsolv,0,3,0.001,,25    ! 求解
FINISH
/POST1
PLF2D             ! 磁力线图
PLVECT,B, , , ,VECT,ELEM,ON,0    ! 磁流密度矢量图
PLNSOL, B,SUM, 0             ! 磁通密度等值云图
前面的建模划分网格都没出错，求解时出现如下图不收敛的问题，望哪位大神可以帮帮忙!

PN$_(UC{(2DQT]@DW0GK5QW.png
这是机械结构原图