- 73 - 



8 



i 





SIMULATION 









3.50 sees, H=3 ft, 80 deg 





a 

 a 



i 





9.50 sees, H=3 ft, 185 deg 





"^ 8 



C 



il 



Ul 



z 





A 



1 



8 



o" 



\ y 



/ V^-^ — -^^^^^ 





^-^ 





a. 







C 



'o 60 



120 180 240 300 38 





DIRECTION (cleg) | 



FIGURES IV-10,11: Non-weighted 7-coef- 



ficient directional spectra; Simu- 



lation Cases 3 and A. Illustrates 

 software inability to clearly define 

 two directions per frequency, (waves of 

 equal and unequal height) . 



SIMULATION 



.50 sees, H=3 ft, 80 <le9 

 sees, H=4 ft, 195 deg 



120 180 240 



DIRECTION tdeg ) 



