NOTATION 
Mass matrix 
Section area 
Correction factor for buoyancy force 
Half-beam of craft 
Crossflow drag coefficient 
Load coefficient A/pg(2b)3 
Wavelength coefficient L/A [Ca /( 2b)2 v2 
Friction drag force 
Total hydrodynamic force in x direction 
Total hydrodynamic force in z direction 
Total hydrodynamic moment about pitch axis 
Two-dimensional hydrodynamic force 
Acceleration of gravity 
Wave height, crest to trough 
Vertical submergence of point below free surface 
Double amplitude of heave 
Pitch moment of inertia 
Added pitch, moment of inertia 
Wave number 
Two-dimensional added-mass coefficient 
Hull length 
Longitudinal center of gravity, percent of L 
Mass of craft 
Added mass of craft 
