K:0.2 



K=0.2 



0.2 



Gop Width of 2L,and 

 = 45° (solution of 



Corr ond Stelzriede, 1952 ) 



Solid lines 



Scole of x/L and y/L 



Breokwoter 



ImoQinary gap with a width 

 of 1.4! L and 0=90" 



solution of Blue ond John$on_ 

 19491 Dotted lines 



: Johnson , 1952) 



Figure 2-58. Diffraction diagram for a gap of two wave- 

 lengths and a 45" approach compared with 

 that for a gap width V2~wave lengths with a 

 90° approach. 



2-104 



