Hall D Tagger Magnet ; ® kprob=0, ; Declares a POISSON problem icylin=0, ; Cylindrical symmetry dx=0.25, ; Mesh interval 0.3 originally xreg1= 30., xreg2= 75., ; variable mesh kreg1=120, kreg2=210, kmax=235, ; variable mesh yreg1=-90., yreg2=-50., yreg3= 50., yreg4= 70., ; variable mesh lreg1= 10, lreg2= 90, lreg3=490, lreg4=530, lmax=560, ; variable mesh ; mode=-1, ; Use fixed gamma for material 2 mode=0, ; Use variable gamma for material 2 nbsup=0, ; Dirichlet boundary condition on upper edge nbslf=1, ; Dirichlet boundary condition on left edge nbsrt=0, ; Dirichlet boundary condition on right edge nbslo=0, ; Newmann boundary condition on bottom ibound=0 & ; Dirichlet boundary condition on entire outer boundary ;xminf=0.,xmaxf=0., ; X range for field interpolation ;yminf=0.,ymaxf=0., ; Y range ;; The next 6 terms refer to the harmonic analysis: ;ktype=6, ; H dipole symmetry ;nterm=7, ; Number of coefficients ;nptc=11, ; Number of arc points for interpolation ;rint=1.5, ; Radius of the arc ;angle=90, ; Angular extent of arc (default start = 0) ;rnorm=1.5 & ; Aperture radius ; &po x= 0., y=-100. & ; Start of the air-region points &po x= 100., y=-100. & &po x= 100., y= 100. & &po x= 0., y= 100. & &po x= 0., y=-100. & ® mat=2 & ; Start of the iron region - &po x= 1.50, y=-19.25 & &po x= 1.50, y= 19.25 & &po x= 2.59, y= 21.14 & &po x= 11.40, y= 23.50 & &po x= 11.40, y= 25.00 & &po x= 70.50, y= 25.00 & &po x= 70.50, y=-86.00 & &po x= 0.00, y=-86.00 & &po x= 0.00, y=-38.00 & &po x= 22.50, y=-38.00 & &po x= 22.50, y=-25.00 & &po x= 11.40, y=-25.00 & &po x= 11.40, y=-23.50 & &po x= 2.59, y=-21.14 & &po x= 1.50, y=-19.25 & ® mat=1,cur= 18480. & ; Coil 1 &po x= 5.50, y= -36.00 & &po x= 20.50, y= -36.00 & &po x= 20.50, y= -27.00 & &po x= 5.50, y= -27.00 & &po x= 5.50, y= -36.00 & ® mat=1,cur=-18480. & ; Coil 1 &po x= 5.50, y= 27.00 & &po x= 20.50, y= 27.00 & &po x= 20.50, y= 36.00 & &po x= 5.50, y= 36.00 & &po x= 5.50, y= 27.00 &