Basset force for describing the effect of the body's relative motion history on the viscous forces in a Stokes flow Basset–Boussinesq–Oseen equation for the description of the motion of – and forces on – a particle moving in an unsteady flow at low Reynolds numbers Darwin drift for the relation between added mass and the Darwin drift volume Keulegan–Carpenter number for a dimensionless parameter giving the relative importance of the drag force to inertia in wave loading Morison equation for an empirical force model in wave loading, involving added mass and drag Response Amplitude Operator for the use of added mass in ship design References External links MIT OpenCourse Ware Naval Civil Engineering Laboratory Det Norske Veritas DNV-RP-H103 Modelling And Analysis Of Marine Operations Fluid dynamics