'. 



FREQUENCY IN RADIANS PER SECOND 



Figure 21 - Power Density Spectrum of Heave Acceleration for Condition 2 

 in a Head State 6 Sea 



0.2 0,3 04 0.5 06 0.7 0.8 0.9 1.0 



FREQUENCY IN RADIANS PER SECOND 



Figure 22 - Power Density Spectrum of Wave Height Used to Simulate State 6 

 Sea for Condition 2 Oblique Wave Tests 



■20- 



