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Hydrodynamic analysis for side-by-side offloading

AuthorsBunnik, T.H.J., Pauw, W., Voogt, A.J.
Conference/JournalThe Nineteenth International Offshore and Polar Engineering Conference (ISOPE), Osaka, Japan
Date21 jul. 2009
In this paper a comparison between model basin experiments and results of linear diffraction computations on side-by-side moored LNG carriers is presented. The computations are based on a variation of the damping lid method in diffraction codes to suppress non-realistic high wave elevations between two floating objects in close proximity. The damping lid method was originally formulated by Chen (2005). In the original method damping is added to the free surface between the vessels. In this paper, an alternative approach is used, in which damping is also applied to the free-surface inside the vessels, instead of the traditional rigid-lid approach. This method reduces the grid dependency and provides a better comparison with model tests results.

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Tim Bunnik

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Willemijn Pauw

Senior Project Manager

Arjan Voogt


cfd developmentcfd/simulation/desk studiesmeasurements and controldata sciencetime-domain simulationsrenewablesoil and gasinfrastructuremarine systemslife at seatransport and shippingmodel testingresearch and developmentsimulationsdampingside-by-sideoffshore engineeringresearch