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    題名: 全非線性時間域數值模型中輻射波在計算區域邊界之傳遞
    其他題名: The Propagation of Radiation Waves on the Boundaries of Computational Domains for Fully Nonlinear Time Domain Numerical Models
    作者: 李宗翰;Lee, Tzung-Hang;林忠安;Lin, Jung-An;林言彌;Lin, Yen-Mi
    貢獻者: 淡江大學機械與機電工程學系
    關鍵詞: 楔曲線近似法;全非線性;時間域;反射波;移動視窗;cubic spline method;fully nonlinear;time domain;wave reflection;moving window
    日期: 2001-12
    上傳時間: 2013-04-09 11:48:47 (UTC+8)
    摘要: 本文應用所謂的“移動視窗"的數值技巧,將全非線性時間域數值模型中因浮體進行
    任意運動時產生的波,傳遞至計算區域之外;避免因有限之計算區域而導致這些幅射放
    在傳遞至計算區域邊緣時,產生反射之現象;因而,在不受反射波的影響下,整個流場
    的情況及浮體在水面的運動情形和其所受之應力等得以確實的被模擬。本論文中並分析
    浮體進行長時間任意方向大範固的運動情況時,應用本“移動視窗"的數值技巧下,使用
    一相對較小的計算區域,可達到長時間模擬大範囝運動之目的。An "moving window" numerical technique is used to propagate radiation waves caused
    by floating bodies through their arbitrary motions out of computational domains while fully
    nonlinear time domain numerical models can be properly applied to simulate the motions of
    floating bodies and the water-body interactions under no wave reflection condition. An idea of
    "moving window" numerical technique is also presented in this work. A relatively small
    computational domain can then be used to simulate arbitrary direction of motions of floating
    bodies for any duration of simulation time.
    An "moving window" numerical technique is used to propagate radiation waves caused by floating bodies through their arbitrary motions out of computational domains while fully nonlinear time domain numerical models can be properly applied to simulate the motions of floating bodies and the water-body interactions under no wave reflection condition. An idea of "moving window" numerical technique is also presented in this work. A relatively small computational domain can then be used to simulate arbitrary direction of motions of floating bodies for any duration of simulation time.
    關聯: 中華民國力學學會90年度年會暨第25屆全國力學會議=Proceedings of 25 National Conference of Theoretical and Applied Mechanics,12頁
    顯示於類別:[機械與機電工程學系暨研究所] 會議論文

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