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This paper aims to present an overview on the wavemakers used to generate waves inside a numerical wave tank taking into consideration the biphasic air-water aspect of the incident wave. Wave markers are used to simulate the flow dynamic behaviour in the Oscillating Water Column (OWC) for wave energy conversion. Three kinds of these systems have been considered in the present work. To compare these types of wave generators a case study was adopted with the assumption of a fluid flow which is unsteady, 2D, biphasic (air-water), and k-epsilon turbulent. It has been found that the piston and the flap wave maker types are suitable for OWC device simulations.

Wave generation in an OWC system for wave energy conversion