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  • 後藤 仁志, 林 稔, 安藤 怜, 酒井 哲郎
    水工学論文集
    2002年 46 巻 845-850
    発行日: 2002/02/10
    公開日: 2010/06/04
    ジャーナル フリー
    A flood of the underdrain and an inundation into underground space in urban area are ones of the primal targets of urban flood-relief measures. Complicated behavior of a water surface serves as a key on analysis of rapidly varied flow, which characterizes the flow in the underdrain waterway under a heavy rain. Herein, an inundation of underdrain waterway and sewer pipe and resultant motion of cover material are simulated by the MPS method, which is the Lagrangian gridless model of water flow, with a module of passively moving solid. The blown-up manhole cover by water jet and the lift-off of concrete cover materials of underdrain waterway with the increase of water pressure are well simulated.
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