A Chebyshev Spectral Method for Normal Mode and Parabolic Equation Models in Underwater Acoustics

Table 2

Comparison of the computational times of the FDM and CSM for Case 1.

Methods	N	Time of phase 1 (s)	Time of phase 2 (s)	Total time (s)
FDM (Kraken)	1000	0.450	43.493	43.943
CSM	10	0.514	18.224	18.738