p 



Pressure 



Qn(^) = /_H <^ ~ ^g)"" S(z)eK2 ^^ 



R(z) Sectional radius of the body- 

 Si z) Sectional area of the body 



2 2 2 



r Polar radius, r = x + y 



t Time 



(x, y,z) Cartesian coordinate system 



Zp Coordinate of the center of gravity 



t, Heave displacement 



£,* Free surface elevation 



9 Polar coordinate 



^ Surge displacement 



p Fluid density 



$ Velocity potential 



)( Vertical prismatic coefficient 



<\> Pitch angle 



CO Frequency of oscillations 



