100 



90 



a 



p 



i 80 



a 



O 



in 60 



a 50 



z 



1 40 



30 









1 













/' 























































/ 















J 



1 











// 



r 



i 











/ 











10 







/ 





\ 









_y 









V. 





0.2 0.3 0.4 as 0.6 0.7 OE 



FREQUENCY IN RADIANS PER SECOND 



Figure 17 - Power Density Spectrum of Roll Angle for Condition 1 in a 

 Beam State 6 Sea 





































11 









































































\ 























M 



\ 























i 



























/ 





\ 



















-A 



y 







\ 



A 



_ 













03 0.4 0.5 0.6 0.7 0.8 0.9 1.0 I.I I, 



FREQUENCY IN RADIANS PER SECOND 



Figure 18 - Power Density Spectrum of Sway Acceleration for Condition 1 

 in a Beam State 6 Sea 



-18- 



