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    题名: 密閉空間內自由液面之全非線性運動模擬
    其它题名: Fully Nonlinear Free Surface Motion Simulations for Closed Containers
    作者: 李宗翰;蔡賢銘;黃盈翔;陳韋志;賴正益
    贡献者: 淡江大學機械與機電工程學系
    关键词: 密閉空間;運動模擬;自由液面;數值分析;波浪;Enclosure;Motion Simulation;Free Surface;Numerical Analysis;Wave
    日期: 2002-11
    上传时间: 2013-07-24 11:45:24 (UTC+8)
    摘要: 本論文之數值模型即是利用The Desingularized Eulerian-Lagrangian Time-domain Approach method (The DELTA method)為理論基礎,來模擬密閉容器受強迫性振盪後,自由液面的運動情形,本文中在密閉的計算區域中,模擬容器在受強迫性的振盪之下,其所產生之自由液面的運動變化,並針對不同震盪方式及各種不同運動模式來進行數值計算模擬。本文中將模擬運動分為升降,橫盪、旋轉、等運動模式,設定初始值包含振幅、頻率、容器寬度及溶液深度等,並將模擬之結果做討論。計算結果之比較顯示使用本法可正確地模擬受到地震時重水池自由液面的運動情形,使用DELTA method相對於有限元素法能以較短的時間及更簡單的程式架構,模擬出相同或更好的結果。
    The numeral model state in this work takes (The Desingularized Eulerian-Lagrangian Time-domain Approach method) as its theoretical basis. Desingularization means to move the singularities that traditionally located right on the boundaries of the computational domain in the domain, hence, the special treatment for singularities is avoided, we use Eulerian-Lagrangian to repeat the relocation of free surface. The numeral model adopts the fully nonlinerized combined free surface and body boundary condition, calculating the model and discussing the result of the calculation. In the closed area, simulate the change of free surface resulting from the strong shaking of containers and discuss the movement characteristics. Beside, the numeral will also be simulated and calculated according to different ways of shaking and different patterns of movement.
    關聯: 24屆海洋工程研討會論文集,頁175-182
    显示于类别:[機械與機電工程學系暨研究所] 會議論文

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