SYMBOLS AND DEFINITIONS 



B width or beam of breakwater (dimension in direction of wave motion) 



B/D breakwater aspect ratio 



C t wave height transmission ratio, C t = H t /H 



D tire diameter 



D/d relative draft 



d water depth 



F peak mooring force on seaward mooring line (per unit length of 

 breakwater) 



G center-to-center distance between pipes of PT-Breakwater 



g gravitational acceleration 



H incident wave height 



H/L wave steepness 



IL transmitted wave height 



L wavelength 



L/B relative wavelength 



T wave period 



Y specific weight of water 



e horizontal displacement of breakwater from equilibrium position 



X length of breakwater (dimension at right angles to direction of wave 

 motion) 



v kinematic viscosity of water 



