Computation of the Added Masses of an Unconventional Airship

Table 2

Comparison between the two methods of computation.

Added masses terms	𝑀11 (kg)	𝑀22 (kg)	𝑀33 (kg)	𝑀44 (kg·m^2)	𝑀55 (kg·m^2)	𝑀66 (kg·m^2)	𝑀46 (kg·m^2)
Velocity potential method	583	620	687	9413	10456	18700	160
Geometric method	648	633	708	9973	11920	19341	168