w_magnet 26[mm] "Width of the magnet"
h_magnet 20[mm] "Height of the magnet"
r_magnet 25[mm] "Inner radius of the magnet"
z_magnet -80[mm] "z coordinate of the bottom of the magnet"
w_air 80[mm] "Width of the air domain"
h_air 100[mm] "Height of the air domain"
w_design 45[mm] "Width of the iron"
h_design 45[mm] "Height of the iron"
r_design 6[mm] "Inner radius of the iron"
z_design -90[mm] "z coordinate of the bottom of the iron"
w_gap_i 0.6[mm] "Width of the inner air gap around the coil"
w_gap_o 0.2[mm] "Width of the outer air gap around the coil"
w_coil 0.4[mm] "Width of the coil"
h_coil 10[mm] "Height of the coil"
r_coil 18.6[mm] "Center radius of the coil"
z_coil -56[mm] "z coordinate of the center of the coil"
z_offset 7[mm] "Maximum offset of the voice coil"
n_points 10 "Number of points to compute the BL Curve"