SYMBOLS AND DEFINITIONS 



A wave action (eq. 22) 



cross-sectional area of cylinder in Morison equation (eq. 28) 



a wave amplitude 



B wave action flux (eq. 25) 



C phase velocity (eq. 7) 



Cjj drag coefficient in Morison equation (eq. 28) 



C group velocity (see eq. 19) 



Cjj inertia coefficient in Morison equation (eq. 28) 



C phase velocity of waves in deep water 



d depth of water 



D cylinder diameter (eq. 28) 



Diss rate of dissipation per unit area (eq. 27) 



E energy density (see eq. 22) 



f force per unit length of cylinder in Morison equation (eq. 28) 



g gravitational acceleration 



i unit vector in the positive x direction 



j unit vector in the positive y direction 



k wave number (2Tr/L) 



k wave number vector 



l'^2 components of the wave number vector in the Xi and X2 

 directions (see eq. 10) 



Vfy^ , kg components of the wave number vector in the a and g direc- 

 tions (see eqs. 17 and 19) 



L wavelength 



Lq length scale of a current (eq. 2) 



p pressure (see eq, 21) 



