Fn=0 



Heave 

 b(3-dimensional) 



Piteh 

 B(3-dirnensional) 



Takogi (thin ship) 

 (L/B-7,B/(j -25) 



Hovelock 

 (spheroid. L/B« 8) 



Vossers 



Figure 14 



Three-dimensional Effect (Damping Coefficient) 



78 



