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Lookup NU author(s): Dr Mohammed Abdul Hannan
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The necessity to connect a Tender Assisted Drilling (TAD) unit to a dry tree unit (DTU) opens up the topic of two-body floating systems in waves and currents. However, the problem of two bodies interacting with each other has not been investigated widely. Several model tests have been carried out for real specific cases yet they have not extended the knowledge of the physics governing the response of such coupled structures under combined wave and current conditions. Previous studies (Haslum et. al, 2006; Ng et. al, 2010) have demonstrated the unusual behaviour of resonant out-of-phase surge relative motions which has been observed in a certain range of wave and current conditions. This behaviour is important because relative motions will influence the connectors (lashing system) between the two bodies and may impose operational limits for close-coupled operation. Therefore, the objective of this research is to investigate the relative motions of two floating bodies in the presence of waves and currents and to attempt to understand the physics affecting the relative motions and so to help design an improved connector system. What is reported here is the first part of this research: experimental study of the two floating cylinders in combined wave-current flows.
Author(s): Liu X, Magee AR, Bai W, Hannan MA, Merchant A, Hussain A, Choudhary A, Francis BAP
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: International Workshop on Water Waves and Floating Bodies (IWWWFB)
Year of Conference: 2017
Acceptance date: 01/03/2001
URL: http://www.iwwwfb.org/Abstracts/iwwwfb32/iwwwfb32_33.pdf
