coil_location_r (r>4.5[mm])*(r<4.5[mm]+0.113068969[mm]) ""
coil_location_z (z>(dest(z)-1.48[mm]/2))*(z<(dest(z)+1.48[mm]/2)) ""
BL_integrand "mf.Br*N0*2*pi*r/(0.16734 [mm^2])" ""