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Second-order resonance among an array of two rows of vertical circular cylinders
Institution:1. The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-city, Chiba 277-8561, Japan;2. Yokohama National University, 79-1 Tokiwadai, Hodogaya-ku, Yokohama-city, Kanagawa 240-8501, Japan;1. Department of Naval Architecture and Marine Engineering, University of Michigan, Ann Arbor, MI 48109, United States;2. DRS Technologies, Inc., Advanced Marine Technology Center, Stevensville, MD 21666, United States;1. POEMS, UMR CNRS/ENSTA/INRIA, ENSTA ParisTech, 828, Boulevard des Maréchaux, 91762 Palaiseau cedex, France;2. Saint-Petersburg State University, Universitetsky pr., 28, Peterhof, St. Petersburg, 198504, Russia;3. Saint-Petersburg State Polytechnical University, Polytechnicheskaya ul., 29, St. Petersburg, 195251, Russia;4. Institute of Problems of Mechanical Engineering RAS, V.O., Bolshoj pr., 61, St. Petersburg, 199178, Russia;5. Department of Mathematics and Statistics, University of Helsinki, P.O.Box 68, FI-00014 Helsinki, Finland;1. China University of Petroleum, Qingdao, China;2. The Hong Kong Polytechnic, Hong Kong
Abstract:Experimental and theoretical works are conducted on the first-order and second-order wave interactions among an array of two rows of vertical circular cylinders.We show that both the first-order and the second-order resonance of dynamic free-surface displacement could in some cases be quite relevant among an array of two rows of vertical cylinders not only in theory but also in real phenomena. In some cases, on the other hand, we show that large free-surface displacement predicted theoretically is quite attenuated in reality probably due to viscous dissipation.
Keywords:Second-order wave interaction  Second-order resonance  Wave trapping  Cylinder array
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