Computatton of Shallow Water Shtp Mottons 
by replacing the free surface by a plane of symmetry. The strip 
theory results seem to be headed in the right direction. Thus, as 
state before, we would not expect our results to be good in this re- 
gion. 
DISCUSSION 
Cheung-Hun C. Kim 
Stevens Instttute of Technology 
Hoboken, New-Jersey, U.S.A. 
Thank you. May I ask you another question ? You used the 
Froude-Krylov forces, why did not you calculate the diffracted wave 
exciting force in your calculation ? 
REPLY TO DISCUSSION 
Robert F, Beck 
Untverstty of Michtgan 
Ann Arbor, Mtchtgan, U.S.A. 
Unfortunately, we overlooked those terms at the time. How- 
ever, I do not think the results will change very much. The curves 
would just be shifted slightly in the high frequency region. 
Lat 
