SYMBOLS AND DEFINITIONS 



Dynamic pressure head amplitude (feet) 



•frontal projected area of tethered float (square feet) 



abrasion constant (dimensionless) 

 •wave amplitude (feet) 



jet area (dimensionless) 



distance of first cylinder above waterline (feet) 

 •motion of breakwater in sway (feet) 



distance of second cylinder above waterline (feet) 

 •motion of breakwater in heave (feet) 



mo 



tion of breakwater in roll (degrees) 



3 

 B structure width (feet) 



B center of buoyancy 



b anchoring depth 



•depth of mooring point 



C mooring line constant (dimensionless) 



C, drag coefficient (dimensionless) 



C (f) frequency group velocity (feet per second) 



C t coefficient of transmission (dimensionless) 



Cj.(f) coefficient of transmission, irregular waves (dimensionless) 



(C t ) / coefficient of transmission of significant wave height 

 (dimensionless) 



c damping function (pounds per second per foot) 

 •depth of the center of gravity 



c critical damping function (pounds per second per foot) 



c undrained cohesive strength of soil (pounds per square foot) 



D depth of submergence 



•linearized damping coefficient for perforated breakwater 



(dimensionless) 

 •pile diameter (feet) 

 •structure draft (feet) 



D structure offset distance for offset breakwater (feet) 



D diameter of scrap tire (feet) 



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