Parametrical and Motion Analysis of a Moored Rectangular Floating Breakwater

• Published in: Journal of Offshore Mechanics and Arctic Engineering
• Main Authors: Elchahal, Ghassan, younes, Rafic, Lafon, Pascal
• Other Authors: Laboratoire des Systèmes Mécaniques et d'Ingénierie Simultanée (LASMIS), Institut Charles Delaunay (ICD), Université de Technologie de Troyes (UTT)-Centre National de la Recherche Scientifique (CNRS)-Université de Technologie de Troyes (UTT)-Centre National de la Recherche Scientifique (CNRS), Faculté de Génie / Faculty of Engineering (Université Libanaise)
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2009
• Subjects: [SPI]Engineering Sciences [physics]; Breakwater; Arctic
• Online Access: https://hal.archives-ouvertes.fr/hal-03610996; https://doi.org/10.1115/1.3124125

International audience Moored floating breakwaters with a leeward boundary, assimilating the port quay walls are described by a large number of coupled variables. This complicates their design and requires a detailed parametrical and motion analysis to assess their hydrodynamic performance. A diffraction-radiation boundary value problem is developed. It arises from the interaction of linear waves on a moored floating breakwater with a leeward boundary described by a partial reflective sidewall. The effects of the sidewall clearance, structural parameters, mooring lines stiffness, and their angle of inclination on the transmission coefficient and the dynamic motion of the floating breakwater are considered. The transmission coefficient is strongly affected by the motion itself and the allowable length change in the mooring lines.