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Filippo Giorcelli, Sergej Antonello Sirigu, Giuseppe Giorgi, Nicolás Faedo, Mauro Bonfanti, Jacopo Ramello, Ermanno Giorcelli and Giuliana Mattiazzo
Among the challenges generated by the global climate crisis, a significant concern is the constant increase in energy demand. This leads to the need to ensure that any novel energy systems are not only renewable but also reliable in their performance. A ...
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Bruno Paduano, Nicolás Faedo and Giuliana Mattiazzo
In the pathways towards the commercialisation of wave energy systems, the need for reliable mathematical models is of paramount importance for the design and synthesis of model-based control techniques to maximise the performance of wave energy converter...
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Guglielmo Papini, Francisco Javier Dores Piuma, Nicolás Faedo, John V. Ringwood and Giuliana Mattiazzo
This paper presents a data-driven model reduction by moment-matching approach to construct control-oriented models for a point absorber device. The methodology chosen and developed generates models which are input-to-state linear, with any nonlinear beha...
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Marcello Rava, Panagiotis Dafnakis, Vittorio Martini, Giuseppe Giorgi, Vincenzo Orlando, Giuliana Mattiazzo, Giovanni Bracco and Andrea Gulisano
This work presents the Water Energy Point Absorber (WEPA), which is a heaving single-buoy point absorber optimized for a specific site off the west coast of Sardinia Island. The aim of the study is to present the optimization process undertaken to identi...
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Giuseppe Giorgi, Josh Davidson, Giuseppe Habib, Giovanni Bracco, Giuliana Mattiazzo and Tamás Kalmár-Nagy
Mathematical models are essential for the design and control of offshore systems, to simulate the fluid?structure interactions and predict the motions and the structural loads. In the development and derivation of the models, simplifying assumptions are ...
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Sergej Antonello Sirigu, Ludovico Foglietta, Giuseppe Giorgi, Mauro Bonfanti, Giulia Cervelli, Giovanni Bracco and Giuliana Mattiazzo
Although sea and ocean waves have been widely acknowledged to have the potential of providing sustainable and renewable energy, the emergence of a self-sufficient and mature industry is still lacking. An essential condition for reaching economic viabilit...
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Pietro Casalone, Oronzo Dell?Edera, Beatrice Fenu, Giuseppe Giorgi, Sergej Antonello Sirigu and Giuliana Mattiazzo
The hydrodynamic investigation of a hull?s performance is a key aspect when designing a new prototype, especially when it comes to a competitive/racing environment. This paper purports to perform a fully nonlinear unsteady Reynolds Averaged Navier-Stokes...
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Marco Fontana, Pietro Casalone, Sergej Antonello Sirigu, Giuseppe Giorgi, Giovanni Bracco and Giuliana Mattiazzo
During the optimization phase of a wave energy converter (WEC), it is essential to be able to rely on a model that is both fast and accurate. In this regard, Computational Fluid Dynamic (CFD) with Reynolds Averaged Navier?Stokes (RANS) approach is not su...
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Mauro Bonfanti, Andrew Hillis, Sergej Antonello Sirigu, Panagiotis Dafnakis, Giovanni Bracco, Giuliana Mattiazzo and Andrew Plummer
Optimal control strategies represent a widespread solution to increase the extracted energy of a Wave Energy Converter (WEC). The aim is to bring the WEC into resonance enhancing the produced power without compromising its reliability and durability. Mos...
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Antonello Sergej Sirigu, Federico Gallizio, Giuseppe Giorgi, Mauro Bonfanti, Giovanni Bracco and Giuliana Mattiazzo
The wave energy sector is experiencing lively years of conceptual innovation and technological advances. Among the great variety of candidates, only a few are going to be able to reach maturity and, eventually, industrial feasibility and competitiveness....
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