Abstract
In this study, numerical analysis was performed to obtain the hydrodynamic responses of a multi-buoy WEC platform. The hydrodynamic forces acting on the submerged slender-type structure members and the buoys were calculated using the modified Morison equation and commercial software. The natural frequencies and mode shapes of the platform were determined by using the modal analysis. The Newmark-beta time-integration method was employed to produce time series of displacement and bending stresses..