■ APPENDIX B 

 LIt;T OF -GOMvioN SYi'^BOLS 











Basic 













Units 













(in F, L, 



Example in 



Symbol 



Definition 







T System) 



English Units 



A 



Area 







l2 



feet^ 



a 



Acceleration, Also; 







L/t2 



ft/sec2 





Amplitude 







L 



feet 



^g 



Horizontal displacement 



of 



a water 









particle 







L 



feet 



a' Length of semi-major axis of orbit 



of water particle L feet 



-a Subscript "a" may refer to active 

 earth pressures 



Subscript "av" refers to average 

 av 



B Breakwater gap width L feet 



B,F. Beaufort wind force 



b Length of wave crest between or- 

 thogonals (measured perpendicular 

 to the local direction to travel) L feet . 



bg Vertical displacement of a water 



particle L feet 



b' Length of semi-minor axis of orbit 



of water particle L feet 



Subscript "b" refers to breaking 

 "^ vrave conditions 



C,c Wave velocity L/T ft/sec 



C^ Coefficient of drag 



C Group velocity L/T ft/sec 



€fj "Velocity of waves of finite height L/T ft/sec 



B-1 



