

1.0- 







a h 



no 









. 









c 



a 









sz 



0.9- 

















£ 









n 









Z 

 O 

 H 











ii 









0.8- 

















_3 

 Q 

 111 



or 

















1- 



LU 



0.7 - 

















o 

















< 



0.6" 

















LU 



DC 

















U.b — ] 

















2 4 6 



STABILITY NUMBER. Ns 



a. Crest height reduction factor versus the stability 

 number 



o 0.9- 



F. 0.7' 









— B- 



flfl- 



-»1 



t c 



D : 







































□ 



D 































































































































2 4 6 8 10 12 14 16 1 



SPECTRAL STABILITY NUMBER, Ns. 



b. Crest height reduction factor versus the spectral 

 stability number 



Figure 8. Stability comparisons for subset 9 



17 



