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Speaker: Dr. Giuseppe Giorgi, Marine Offshore Renewable Energy Lab (MOREnergy Lab) at Politecnico di Torino.
Giuseppe Giorgi received his bachelor and master degrees in Mechanical Engineering at Politecnico di Torino, Italy, and his PhD at the Centre for Ocean Energy Research at Maynooth University, Ireland. He then has been the Individual Postdoctoral Fellow of the Marie Curie action entitled OpenWave at the Marine Offshore Renewable Energy Lab (MOREnergy Lab) at Politecnico di Torino. He currently is a Senior Research Fellow at MOREnergy Lab. His expertise and research interests are in the area of nonlinear hydrodynamic modelling and in general in all aspects of wave energy conversion technologies, from lab to the sea. Moreover, Giuseppe is the leading responsible for European Collaborative Project bids for MOREnergy Lab, both as proposal coordinator or participant. Finally, Giuseppe also acts as Sponsorship Coordinator of the International Network on Offshore Renewable Energy.
The talk presents design-oriented nonlinear hydrodynamic modelling of wave energy converters, based on a computationally efficient approach to represent nonlinear Froude-Krylov forces in floating bodies. Latest developments of this approach belong to a MSCA-IF called OpenWave (Grant Agreement 832140), whose output comprise the open source Matlab demonstration toolbox NLFK4ALL (10.5281/zenodo.4682671). Application of the model to the SparBuoy and the ISWEC devices is presented. The unexpected behavior of parametric resonance is also articulated and discussed by means of the nonlinear model.