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Title: Modelling, simulation and behaviour of sloshing liquid-tank-ship coupled system
Keywords: liquid sloshing; fluid structure interaction; finite element method; ship motion; relative displacement concept
Issue Date: 6-Apr-2009
Citation: LUONG VAN HAI (2009-04-06). Modelling, simulation and behaviour of sloshing liquid-tank-ship coupled system. ScholarBank@NUS Repository.
Abstract: Liquid sloshing in tanks has been a subject of keen research for many decades due to the fact that this phenomenon is predominant in many diverse areas and more importantly the huge concerns over the potential detrimental effects that sloshing can induce. This thesis is concerned with the modeling and study of sloshing of liquid in tank due to the motion of ships across the sea. The entire study is investigated using the finite element method, in which an axisymmetric solid-shell element based on the relative displacement (RD) concept was proposed to model the liquid-filled containers. The proposed RD-shell element accurately simulates all types of structures from thin to thick shells in only one common formulation. In addition, a suitable numerical model to address the complicated coupled liquid-tank-ship interaction problem will be developed and used to study the effects of liquid sloshing on the structural response of the tank walls and the stability of the ship. The mitigation of liquid sloshing so as to reduce the detrimental effects will also be examined. In particular, the effectiveness of ring-baffled devices will be investigated in detail.
Appears in Collections:Ph.D Theses (Open)

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