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.
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e-mail: ghassan.el_chahal@utt.fr
e-mail: ryounes@ul.edu.lb
e-mail: pascal.lafon@utt.fr
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August 2009
Offshore And Structural Mechanics
Parametrical and Motion Analysis of a Moored Rectangular Floating Breakwater
Ghassan Elchahal,
Ghassan Elchahal
Institut Charles Delaunay, FRE CNRS 2848,
e-mail: ghassan.el_chahal@utt.fr
University of Technology of Troyes
, 12 Rue Marie Curie, BP 2060, 10010 Troyes, France
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Rafic Younes,
Rafic Younes
3M Mechanical Engineering Laboratory,
e-mail: ryounes@ul.edu.lb
Lebanese University
, Rafic Harriri Campus, Beirut, Lebanon
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Pascal Lafon
Pascal Lafon
Institut Charles Delaunay, FRE CNRS 2848,
e-mail: pascal.lafon@utt.fr
University of Technology of Troyes
, 12 Rue Marie Curie, BP 2060, 10010 Troyes, France
Search for other works by this author on:
Ghassan Elchahal
Institut Charles Delaunay, FRE CNRS 2848,
University of Technology of Troyes
, 12 Rue Marie Curie, BP 2060, 10010 Troyes, Francee-mail: ghassan.el_chahal@utt.fr
Rafic Younes
3M Mechanical Engineering Laboratory,
Lebanese University
, Rafic Harriri Campus, Beirut, Lebanone-mail: ryounes@ul.edu.lb
Pascal Lafon
Institut Charles Delaunay, FRE CNRS 2848,
University of Technology of Troyes
, 12 Rue Marie Curie, BP 2060, 10010 Troyes, Francee-mail: pascal.lafon@utt.fr
J. Offshore Mech. Arct. Eng. Aug 2009, 131(3): 031303 (11 pages)
Published Online: June 2, 2009
Article history
Received:
June 11, 2007
Revised:
March 4, 2009
Published:
June 2, 2009
Citation
Elchahal, G., Younes, R., and Lafon, P. (June 2, 2009). "Parametrical and Motion Analysis of a Moored Rectangular Floating Breakwater." ASME. J. Offshore Mech. Arct. Eng. August 2009; 131(3): 031303. https://doi.org/10.1115/1.3124125
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