The dynamics of the floodwater and the damaged ship in waves  

作　　者：高志亮 VASSALOS Dracos 

机构地区：[1]Research Center of Coastal and Estuarine Engineering,Tianjin Research Institute for Water Transport Engineering,Ministry of Transport [2]Department of Naval Architecture and Marine Engineering, University of Strathclyde

出　　处：《Journal of Hydrodynamics》2015年第5期689-695,共7页水动力学研究与进展B辑（英文版）

基　　金：Project supported by the Fundamental Research Funds for the Central Public Research Institutes of China(Grant Nos.TKS130201,TKS140201);the Technology Foundation for Se-lected Overseas Chinese Scholars(granted by Ministry of Human Resources and Social Security of China)

摘　　要：The interaction between the dynamics of the floodwater and the damaged ship in waves is investigated by applying an integrated method, which couples a seakeeping solver and a Navier-Stokes solver. To reveal the effects of the water flooding and the sloshing on the damaged ship behaviour, the motion of a Ro-Ro ferry in regular beam seas is simulated, including the ship under the intact condition with and without internal water and the ship under a damaged condition. It is found that the shift of the natural roll frequency of a damaged ship and the decrease of its roll response are mainly due to the water sloshing inside the compartment. The effect of the resonant sloshing leads to the presence of a ship＇s second peak response at higher frequencies and it is significantly reduced by the water flooding through the damaged opening. The influence of the flooding and the sloshing on the ship behaviour is small with a further increase of the wave frequency.The interaction between the dynamics of the floodwater and the damaged ship in waves is investigated by applying an integrated method, which couples a seakeeping solver and a Navier-Stokes solver. To reveal the effects of the water flooding and the sloshing on the damaged ship behaviour, the motion of a Ro-Ro ferry in regular beam seas is simulated, including the ship under the intact condition with and without internal water and the ship under a damaged condition. It is found that the shift of the natural roll frequency of a damaged ship and the decrease of its roll response are mainly due to the water sloshing inside the compartment. The effect of the resonant sloshing leads to the presence of a ship＇s second peak response at higher frequencies and it is significantly reduced by the water flooding through the damaged opening. The influence of the flooding and the sloshing on the ship behaviour is small with a further increase of the wave frequency.

关 键 词：damaged ship FLOODING SLOSHING coupled model 

分 类 号：U661[交通运输工程—船舶及航道工程]