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Giacomo Nicorelli, Diego Villa and Stefano Gaggero
A pre-swirl fin (PSF), pre-swirl duct (PSD) and wake-equalizing duct (WED) energy-saving devices (ESD) are designed for the Duisburg Test Case (DTC). To this aim, a simulation-based design optimization method, combining RANSE analyses (ship resistance) w...
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Vito Vasilis Zheku, Diego Villa, Benedetto Piaggio, Stefano Gaggero and Michele Viviani
During the early design stage of an underwater vehicle, the correct assessment of its manoeuvrability is a crucial task. Conducting experimental tests still has high costs, especially when dealing with small vehicles characterized by low available budget...
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Óscar D. Álvarez-Villa, Diego Franco, Santiago Vergara, Victor García, Mónica Cortés, Jorge Giraldo, Juliana Montoya, José Gómez, Nathalie Peña, Carlos Rogeliz
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Andrea Franceschi, Benedetto Piaggio, Roberto Tonelli, Diego Villa and Michele Viviani
The purpose of this study is to assess the quality of the manoeuvre prediction of a twin-shaft naval vessel by means of a time-domain simulator based on Computational Fluid Dynamics (CFD) hydrodynamic coefficients. The simulator uses a modular approach i...
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Diego Villa, Francesco Furcas, Jan Oscar Pralits, Giuliano Vernengo and Stefano Gaggero
A method for the morphing of surface/volume meshes suitable to be used in hydrodynamic shape optimization is proposed. Built in the OpenFOAM environment, it relies on a Laplace equation that propagates the modifications of the surface boundaries, realize...
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Soonseok Song, Yigit Kemal Demirel, Claire De Marco Muscat-Fenech, Tonio Sant, Diego Villa, Tahsin Tezdogan and Atilla Incecik
Research into the effects of hull roughness on ship resistance and propulsion is well established, however, the effect of heterogeneous hull roughness is not yet fully understood. In this study, Computational Fluid Dynamics (CFD) simulations were conduct...
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Ishani Thakkar, Teresa Massardo, Jaime Pereira, Juan Carlos Quintana, Luis Risco, Claudia G. Saez, Sebastián Corral, Carolina Villa, Jane Spuler, Nixa Olivares, Guillermo Valenzuela, Gabriel Castro, Byron Riedel, Daniel Vicentini, Diego Muñoz, Raúl Lastra and Maria Rodriguez-Fernandez
Authors are encouraged to provide a concise description of the specific application or a potential application of the work. This section is not mandatory.
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Diego Villa, Stefano Gaggero, Giorgio Tani and Michele Viviani
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Diego Villa, Andrea Franceschi and Michele Viviani
The proper evaluation of the Rudder?Propeller interactions is mandatory to correctly predict the manoeuvring capability of a modern ship, in particular considering the commonly adopted ship layout (rudder often works in the propeller slipstream). Modern ...
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