Lee 



300 



250 



« 200 



150 

 ffi 1.0 



1.02 1.04 



X 



1.06 



220 

 200 

 180 

 160 

 140 

 120 



1.0 



1.2 



1.4 



1.6 



1.8 



2.0 



Fig. 8 Phase_angles of first- and second-order forces 



vs. \ for \,= 10b 



0.6 



- 0.4 



l>- 



l> 



l>- 



;; 0.2 



1.0 



1.2 



1.4 



1.6 



1.8 



2.0 



Fig. 9 First- and second-order wave amplitudes at 



|x| = 00 vs. X for \| = 10b 



936 



