0=30 



B=IL 



10 



I 2 



8 10 12 14 16 18 20 



y/1 



= 45« 



B=IL 



H 



10 



12 



I 2 



8 10 12 14 16 18 20 



y/i 



(Johnson, 1952) 



Figure 2-56. Diffraction for a Breakwater Gap of One 

 Wave Length Width {^ = 30 and 45°) 



2-107 



