Study of the transient heave oscillation of a floating cylinder.

A method of determining the frequency-dependent addedmass and damping coefficients of the heaving motion of a floating cylinder is investigated. These quantities are obtained using a single oscillatory motion signal which contains all the desired frequency information. The transient oscillation which is released from an initially displaced position is used as the signal. Experiments are carried out with a two-dimensional semi-immersed circular cylinder. The experimental transient motion and the resultant hydrodynamic coefficients are compared with the theoretical predictions and other existing experimental measurements. Thesis Supervisor: Ronald W. Yeung Title: Assistant Professor of Ocean Engineering