This paper introduces a real case of luxury large pleasure yacht especially in terms of hydrodynamic basic concept, stability , preliminary power prediction , CFD optimization basing on an extended research performed by RAPID software about: 1. best body fearing, 2. minimization of resistance and power consumption for different stern and stem configurations, 3. sea-keeping prediction, 4. model basin results and sea-trial results getting a lot of significant parameter measurements in full scale. In other words, we want to show a "Road Map" concerning a sophisticated and modern design applied to a private yacht.
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