C Surge displacement 



'CB 



Longitudinal coordinate of center of buoyancy 



5 Longitudinal coordinate of center of gravity 

 CG 



p Fluid density 



a Root-mean-square pitch amplitude 



o 



(j) Velocity potential of fluid 



<\), Velocity potential due to pressure of body 



(J). Velocity potential of incident wave 



0) Frequency 



(jo Characteristic frequency based on wind speed at 19.5 meters 



