NOTATION 



A Waterplane Area 



B Waterline beam at midships 



Cg Block coefficient 



C Vertical coefficient 



C Waterplane coefficient 



£ Heaving force function 



E, Pitching moment function 



F Froude number 



g Acceleration due to gravity 



U Maximum draft at midships 



L Length between perpendiculars 



T Wave amplitude 

 m 



T Period of wave encounter 



e 



T Natural period of oscillation 



V Ship speed 



V Volume of displacement 



Tf Frequency parameter involving the draft, H 



6 Maximum surface wave slope 

 m 



K Dimensionless heave damping coefficient 



/o Dimensionless pitch damping coefficient 



A Wave length 



A Tuning factor for heave motion 



A , Tuning factor for pitch motion 



fi Heave magnification factor 



ft I Pitch magnification factor 



^ Frequency parameter involving the beam, B 



r Dimensionless period of encounter 



Tq Dimensionless natural period of oscillation 



\}) Pitch amplitude 



oiQ Natural circular frequency of oscillation 



