Wave Forces on a Restrained Ship tn Head-Sea Waves 
KS 0 
i 
mea. f yy 
Vl Zz 
In the first integral, Le ( w + Uk)* jf en -(v-k 
In 
o ) ity =e) SB 
the second and third integrals, Qo = iwv(v-kP - (, + Uk)*/ ge. 
In the fourth and fifth integrals, ys = - V( Wo + Uk}4 / ge - ( »-kF 
Further 
Sit 2 2. 
k, = oe: (2 U/gt 1), 
a the parameter introduced by (56), 6B and 
6, some very small po- 
sitive numbers and 
aa a : -iva x i - vp p 
ii = | dae o*( v-avp ) ince y 
al 2 
47 
é1- 6, a 
(62) 
pe a f2 ig 2 =1 yp Z p ley 
e 
+ 
Uw Uw 
(2 
a - @ +i E + 2 (1a) |? D2 a i +—a-a)|? 
g g 
