12 4 6 8 10 12 14 16 le 20 



y/L 



07 75" 2 

 I 







B=IL ' 



2 



10 



12 



VlbUU 



12 4 6 8 10 12 14 16 18 20 



y/i 



'L (Johnson, 1952) 



Figure 2-57. Diffraction for a Breakwater Gap of One 

 Wavelength Width ((j) = 60 and 75°) 



2-108 



