Savitsky 



1.60 I — 



1.20 — 



— 0.80 



Hi 



0.40 — 



4 6 8 



ys DISTANCE NORMAL TO GRID ?. -FEET 



12 



Fig. 25 Results of refraction computation versus measured crest 

 height. \ = 6'; Hv»=l"; grid width = 3'; mesh =2.7"; 

 draft = 1.67"; V = 1 ft/sec. 



L20 — 



iL 0.80 



n; 



040 — 



4 6 8 



y=DISTANCE NORMAL TO GRID %_ -FEET 



12 



Fig. 26 Results of refraction computation versus measured crest 

 height. \ = 2'; Hv,= l"; grid width = 3'; mesh =2.7"; 

 draft = 1.67": V = 1 ft/sec. 



436 



