求助——二维永磁体管道漏磁检测路径问题

dqxyzallen

程序如下
Finish
/clear,nostart
KEYW,MAGNOD,1
/PREP7
EMUNIT,MKS                        
ET,1,PLANE53
ET,2,INFIN110
KEYOPT,1,3,1
KEYOPT,2,2,1
KEYOPT,2,3,1
MP,MURX,1,1
TB,BH,2
TBPT,,500,0.39
TBPT,,1000,0.82
TBPT,,2000,1.3
TBPT,,2500,1.44
TBPT,,3000,1.51
TBPT,,4000,1.61
TBPT,,5000,1.69
TBPT,,6000,1.73
TBPT,,7000,1.77
TBPT,,8000,1.8
TBPT,,9000,1.83
TBPT,,10000,1.84
TBPT,,15000,1.95
TBPT,,20000,2.01
TBPT,,24000,2.05
TBPLOT,BH,2

MP,MURX,3,186000
MP,MURX,4,1.05
MP,MGXX,4,6000
MP,MURX,5,1.05
MP,MGXX,5,-6000
/PNUM,AREA,1
RECTNG,0,2000,-2000,2000
RECTNG,0,1000,-1000,1000
RECTNG,20,25,-500,500
RECTNG,25,45,-15,15
RECTNG,25,45,-40,40
RECTNG,25,55,-40,40
A,7,3,2,6
CYL4,25,0,0,90,3,270
AOVLAP,ALL
NUMCMP,AREA
APLOT
ASEL,S,AREA,,9
AATT,2,,1,0
ASEL,S,AREA,,7
AATT,3,,1,0
ASEL,S,AREA,,6
AATT,4,,1,0
ASEL,S,AREA,,5
AATT,5,,1,0
ASEL,S,AREA,,1
ASEL,A,AREA,,3,4
AATT,1,,2,0
/PNUM,MAT,1
ALLSEL,ALL
APLOT
ASEL,S,AREA,,2
ASEL,A,AREA,,5,6
ASEL,A,AREA,,7,8
ASEL,A,AREA,,9,10
SMRTSIZE,1
AMESH,ALL
SMRT,OFF
ASEL,S,AREA,,1
ASEL,A,AREA,,3,4
ESIZE,,1
MSHAPE,0,2D
MSHKEY,1
AMESH,ALL
FLST,2,3,4,ORDE,3   
FITEM,2,1   
FITEM,2,2
FITEM,2,3
SFL,P51X,INF
NSEL,EXT
D,ALL,AZ,0
ALLSEL,ALL

/SOLU
MAGSOLV
FINISH
/POST1
PLF2D,100,0,10,1
PLVECT,B,,,,VECT,ELEM,ON,0
PLVECT,H,,,,VECT,ELEM,ON,0

PATH,PATH1,2,30,20                       定义路径 显示的bx by曲线与标准的图形有差异
PPATH,1,,26,-60
PPATH,2,,26,60
PDEF,BX,B,X
/PBC,PATH,,0
PDEF,BY,B,Y
/PBC,PATH,,0
/AXLAB,X,DIST(MM)
/AXLAB,Y,B(T)
PLPATH,BX,BY
FINISH

下图分别为
我得到的bx，by曲线图和标准的图形，可以看出存在的明显差异

请教高手，我的程序问题到底出在哪里呢？
感激不尽！！！
郁闷中等待~~~

dqxyzallen

谁来帮帮我吧！版主呢？

lilulilu

标准图形是Br,Bz，是否圆柱坐标系下的量？
你想定义的路径应该是直线还是圆弧？结果坐标系是什么坐标系？

dqxyzallen

3# lilulilu
我这个是二维的，应该都是直角坐标系的，可就是做不出标准的图形