c0 1480[m/s] "Speed of sound in water" f_max 1.5[kHz] "Maximum frequency" depth 100[m] Depth phi 330[deg] "Angle of the incoming plane wave" lam0 c0/f_max "Minimum wavelength" d_source 1000[m] "Distance from the source" p_ref 1[Pa] "Reference pressure" alpha_n 0.05 "Normal incidence absorption coefficient"