SYMBOLS AND DEFINITIONS 



Ai,A2 Amplitudes of two incident waves 



ai Amplitude of sway, heave, or roll motion for i = 1,2,3 



B Characteristic beam of breakwater 



Cq Body contour 



Cj Transmission coefficient 



F^ (t) Sway, heave, or roll exciting forces or moment for j = 1,2,3 



KHj^^ Hydrostatic restoring-force coefficient for force in the jth 

 direction due to motion in the ith direction 



KMij Similar to KHij but due to the mooring system 



kj,k2 Wave numbers of two incident waves 



L Incident wavelength 



m^^-j Mass or moment of inertial when i = j, when i / j 



-v 



n Unit interior normal to body surface 



P(x,y,t) Pressure 



r Vector from center of gravity to a point on the body surface 



a;i^,aj^,aj^ Sway, heave, or roll motion; speed or acceleration 



6 Phase angle 



61,62 Phase angles for two incident waves 



n(x,t) Free-surface elevation 



rij(x,t) Wave surface elevation for incident wave 



n^Cxjt) Wave surface elevation for transmitted wave 



Xj^^ Damping coefficient for force in the jth direction related to 

 velocity in the ith direction 



yj^-j Added-mass or inertial-force coefficient for force in the 

 jth direction related to acceleration in the ith direction 



p Fluid density 



<|> Velocity potential 



0) Frequency 



wi, 0)2 Frequencies for two incident waves 



