MPS法による津波シミュレーションと係留船舶の津波中挙動解析

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タイトル別名
  • Tsunami Simulation and Motion Analysis of Moored Vessel Using the MPS Method
  • MPSホウ ニ ヨル ツナミ シミュレーション ト ケイリュウ センパク ノ ツナミ チュウ キョドウ カイセキ

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When the tsunami attacks in harbors, the vessels moored at the wharf may be unable to be evacuated. For example, it is the situation of the vessel under cargo handling operation, the vessel of sailor absence and foreign crew without knowledge of tsunami. In such a case, damages such as, breaking the mooring tether, grounding on a wharf, drift to land areas and the collision with building are assumed. This present paper describes the tsunami simulation and the motion analysis of vessel moored at the wharf using the MPS Method. In this research, the 3D-MPS method is applied. The chart of mooring tether break was created. The wave height of tsunami and the relation of the break of the mooring tether were shown by the chart of mooring tether break. The chart was created about the influence of number of mooring tether, diameter of mooring tether and mooring system to the break of mooring tether. Furthermore, the simulation of motion of the vessel moored at the wharf in tsunami in consideration of a real time scale was performed.

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