Yim 



Ciu Cosine function defined by Eq. (4) 



D Donnain defined by Eq. (12) 



E Defined by Eq. (29) 



Fft Froude number, U/(gL) 



g Acceleration of gravity 



H Draft of ship 



H, Stern draft 



1 Expression defined by Eq, (44) 



t| Expression given by Eq. (51) 



J Expression defined by Eq, (50) 



k Lg/U^ 



L Ship length 



M Source strength 



Pj Pressure 



P Expression defined by Eq, (22) 



Pj.P-jP, Expressions defined by Eqs. (23), (24) and (25), respectively 



Q Expression defined by Eq. (22) 



Q , Q ,Q Expressions defined by Eqs. (26), (27) and (28), respectively 



r Bulb radius 



R Wave resistance 



S Ship surface 



Siu Sine function defined by Eq. (3) 



U Velocity at x -* - oo 



V Ship speed 



Lw Tank width 



x,y,z Rectangular coordinates 



x. The X coordinate of the location of transom stern sink 

 s 



yi,y2 Ship hull forms given by Eqs. (9) and (10), respectively 



fiSj The z coordinate of the location of the point source for bulb 



Of Dead rise angle of transom stern defined by Eq. (16) 



^ Wave height 



t| Two-dimensional wave height 



^I'^Z'^'S Wave heights due to the first, second and third term of I 

 In Eq. (45) 



^ Wave height due to bulb source 



598 



