Structural Analysis and Redrawing of a Sailing Catamaran with a Numerical and Experimental Approach

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Publicado en:Journal of Marine Science and Engineering vol. 13, no. 7 (2025), p. 1270-1298
Autor principal: Grasso, Giovanni Maria
Otros Autores: Bonfanti, Marco, Lo, Savio Fabio, Alizzio Damiano, Chiacchio Ferdinando
Publicado:
MDPI AG
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Acceso en línea:Citation/Abstract
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Descripción
Resumen:This study investigates the structural behavior of a sailing catamaran subjected to wind, wave, and self-weight loads, with the ultimate goal of improving the structural design through redrawing techniques. A digital model was developed using Creo software 6 and analyzed through Finite Element Analysis (FEA), complemented by experimental deformation tests conducted under dry conditions and controlled loading. These tests provided a reliable dataset for calibrating and validating the numerical model. The analysis focused on the structural responses of key components—such as bulkheads, hulls, and beam-to-hull connections—under both isolated as well as combined load scenarios. Most structural elements demonstrated low deformation, confirming the robustness of the design; however, stress concentrations were observed at the connecting plates, highlighting areas for improvement. The vessel’s overall stiffness, though advantageous for structural integrity, was identified as a constraint in weight redrawing efforts. Consequently, targeted structural modifications were proposed and implemented, resulting in reduced material usage, construction time, and overall costs. The study concludes by proposing the integration of advanced composite materials to further enhance performance and efficiency, thereby laying the groundwork for future integration with digital and structural health monitoring systems.
ISSN:2077-1312
DOI:10.3390/jmse13071270
Fuente:Engineering Database