津波来襲時のコンテナ群漂流・水没シミュレーション

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書誌事項

タイトル別名
  • Numerical Simulation on Drifting and Submerging Containers driven by Tsunami
  • 人工海浜砂層内空洞の形成過程に及ぼす埋設物の影響
  • ツナミ ライシュウジ ノ コンテナグン ヒョウリュウ スイボツ シミュレーション

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抄録

A huge tsunami attack with run-up may cause scattering of containers, which can be a danger for navigating ships. Although some of hydraulic experiments and numerical simulations to track drifting containers in a tsunami attack have been executed previously, not plural floating bodies but a single one was treated in previous studies. In this study, a numerical simulation to predict drifting behavior and submerged area of containers driven by tsunami is carried out. Containers are driven by the fluid force based on the Morison's formula in which the drag coefficients are assumed with taking their rectangle shape into account. Local velocity field is calculated by the nonlinear long wave theory.

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