Stochastic Inverse Identification of Nonlinear Roll Damping Moment of a Ship Moving at Nonzero-Forward Speeds

Table 1

Particulars of the test model.

Length 𝐿pp	2.500 m
Breadth 𝐵	0.387 m
Draft 𝐷	0.132 m
Displacement volume ∇	0.110 m^3
The distance between metacentric height and center of gravity GM	0.074 m
Vertical position of the center of buoyancy KB	0.071 m
Vertical position of the transverse metacenter above the keel line KM	0.179 m
Natural frequency 𝜔𝑛	6.905rad/s (without BK); 6.136 rad/s (with BK)