J-H '^ d^l 



- i [^ + v|j (z^ - z^)] k2r(z)R^(z^) cose I e^^l dz^ 



1 x^ Kz. r° Kz, dS , [40] 



J-H dz^ 1 



iK^R(z) cos e e^^ r [| + 4j(zj - zq)] e^^l S(zj) dz^ 



1 .. T^3 



The damping pressure on the body is 



,0 

 -H 



P* = 



9* - 1 K«Kz: f Kz, dS ,^ 



- -P^- -aCopKe ^ J_^ e 1 — dz^ 



[41] 

 + I a)pK^R(z) cos e e^^ [I + 4j( z, - Zq)] e 1 S(z,) dz^ 



Then the heave damping force is 



Similarly, the surge damping force and the pitch damping moment are 

 ,0 .Ztt 



J-H Jo 



p* cos eRde dz 



[43] 

 = -icopK3^f S(z)e^^dzVj [e + 4;(z^- z^)]e^^lS(z^)dZj'\ 



and 



15 



