Kim and Mercier 



Q source intensity 



r field point 



S amplitude of displacement, surface or spacing 



S .etc surface at y— *-<», etc. 



- oo 



s length of contour, segment or spacing 



T draft of hull or period 



t time 



x, y, z Cartesian coordinate system 



X,Y,Z components of force 



SUBSCRIPTS 



a indicating body a 



b indicating body b 



D indicating diffraction 



f indicating force 



H indicating heave or heaving force 



h indicating wave 



I indicating incident wave 



i V-l , or indicating the imaginary or hydrodynamic damping 



part 



j indicating j tn segment 



k indicating k™ segment 



o indicating origin 



r indicating the real or the hydrodynamic inertial part or relative 



motion 



S indicating swaying 



R indicating rolling 



W indicating water plane or water line 



+ indicating y-^+oo 



858 



