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dys1111铜虫 (初入文坛)
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[求助]
磁场与电磁力的计算
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大家好: 建立了一个简单的三维模型，通高频电的线圈产生磁场，现在的问题是频率变化时磁场不变，电磁力为0，感觉线圈中电流加载有问题，或是边界条件设置有误，请各位大牛看一下，不胜感激。以下是源程序： /prep7 /rgb,index,100,100,100,0 /rgb,index,80,80,80,13 /rgb,index,60,60,60,14 /rgb,index,0,0,0,15 CYLIND,0,0.12,0,0.293,0,30 CYLIND,0,0.065,0.04,0.253, 0,30 CYLIND,0.075,0.092,0.04,0.055, 0,30 CYLIND,0.075,0.092,0.058,0.073, 0,30 CYLIND,0.075,0.092,0.076,0.091, 0,30 CYLIND,0.075,0.092,0.094,0.109, 0,30 CYLIND,0.075,0.092,0.112,0.127, 0,30 CYLIND,0.075,0.092,0.13,0.145,0,30 CYLIND,0.075,0.092,0.148,0.163,0,30 CYLIND,0.075,0.092,0.166,0.181,0,30 CYLIND,0.075,0.092,0.184,0.199, 0,30 CYLIND,0.075,0.092,0.202,0.217, 0,30 CYLIND,0.075,0.092,0.22,0.235, 0,30 CYLIND,0.075,0.092,0.238,0.253, 0,30 VOVLAP,all NUMCMP,ALL !压缩模型数目 VSEL,ALL ET,1,SOLID117 !ALUMINUM PLATE ET,2,SOLID117, !COIL ET,3,SOLID117 !AIR emunit,mks ! set magnetic units MP,MURX,1,8 MP,RSVX,1,2.1e-7 !metal MP,MURX,2,1 MP,RSVX,2,1.75e-8 !coin MP,MURX,3,1!air vsel,s,volu,,1 vatt,1,1,1 esize,.005 vsweep,all vsel,s,volu,,2,13 !choose coin vatt,2,1,2, esize,.008 esize,.008 vsweep,all NSLA,S,1 CP,j,curr,ALL vsel,s,volu,,14 vatt,3,1,3 esize,.008 mshkey,0 mshape,1,3d vmesh,all lsel,s,line,,162,163 lsel,a,line,,17 nsll,s,1 d,all,Az,0 !加磁力线平行边界条件 /SOLU CSYS,1 ESEL,S,MAT, ,2 BFE,ALL,JS,, ,-0.84E8, ESEL,ALL ANTYP,HARM !谐性分析 HARFR,2000 !分析频率 allsel,all solve |
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