and @3 represents the two-dimensional radiation potential associated with the forced heave motion of a cylinder with a cross
Equations of motion-Equating the hydrodynamic external
section C&O in the frequency of encounter w. C&o is the wetted section contour considering the ship under static condition.
Equations of motion-Equating the hydrodynamic external
forces to the mass internal forces one obtains the equations of motion. For heave and pitch the equations are: