APPENDIX F 

 DOCUMENTATION OF THE PROGRAM OVER (752X6RICY0) 



1. Purpose . This FORTRAN program estimates wave transmission by over- 

 topping coefficients and transmitted wave heights for smooth impermeable 

 breakwaters. The method can be used for subaerial and submerged breakwaters 

 with structure seaward-face slopes from vertical to 1 on 3. It is recommended 

 for values of dg/(gT^) < 0.03. 



2 . Mathematical Method and Procedure . The program uses the methods 

 developed in this report. The procedure is to estimate wave runup on smooth 

 impermeable slopes, R, using the equation 



,^H, . 0.123 L\(^2 v^*C3) 



. / 0.123 L\ \ 



where Ci, Cz, and C3 are empirical coefficients related to the structure 

 slope, H is incident wave height, d is water depth, and L is the local 

 wavelength. Runup on rough slopes is estimated using 



(1 + b5) 



where a and b are empirical coefficients and E, is the surf parameter 

 given by 



^ _ tan e 



where is the angle of the front face of the breakwater and L^ is the 

 deepwater wavelength. 



A wave transmission by overtopping coefficient, C, is estimated from 



C = 0.51 - «^^ 

 h 



where B is the breakwater crest width and h the structure height. The 

 transmission by overtopping coefficient, Ky^ , is determined from 



'To 



0-0 



where F is the breakwater freeboard. For submerged breakwaters with a 

 1 on 15 fronting slope the equation 



K^. = c(l -^)- (1 - 20 (i) 

 is used. 



The transmitted wave height, Hy, is given by 



nrp = K(TL-, H 



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