1.0- 



a-m 



— ^3 B— 



□ 



a a 







° a 



a 







u.y- 





D 



a o 

 a 



a a 

 a 







U.8- 





a 



a 



a 

 a a 



a 















a 



a 

 a 



a 



=fa 



U.b- 











□ 



a 



a 



0.5- 















STABILITY NUMBER. Ns 



a. Crest height reduction factor versus the stability 

 number 



1.0- 









—* 



I 1 



I-* 





TD 







































n o 



S a 





































c 



a 



a 

























I 















a 



































a 





q 



a 



3° 









































n 







































s 







































a 



On 



B 







































i 



1 E 



D 









































6 8 10 12 14 



SPECTRAL STABILITY NUMBER, Ns* 



b. Crest height reduction factor versus the spectral 

 stability number 



Figure 6. Stability comparisons for subset 5 



15 



