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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/91663


    Title: 應用移動式視窗消除反射波之研究
    Other Titles: A Research on Wave Dissipation by Applying the Moving Windows Technique
    Authors: 李宗翰;林忠安;林言彌
    Contributors: 淡江大學機械與機電工程學系
    Keywords: 全非線性;時間域數值模型;波反射;移動視窗;消波;吸收式造波器;Fully Nonlinearity;Time Domain Numerical Model;Wave Reflection;Moving Window;Wave Dissipation;Absorbing Wave Maker
    Date: 2001-05
    Issue Date: 2013-07-24 11:45:38 (UTC+8)
    Publisher: 臺北縣淡水鎮:淡江大學
    Abstract: 二維全非線性時間域數值模型被用以模擬浮體在流場中運動時,常常因為計算區域邊界有限,導致反射波現象之產生,以致於影響各項性能之數值分析結果的準確度。為了避免因有限計算區域邊界造成的反射波現象,計算區域必須為無限大,以達到所謂"無邊界"的要求。本論文在邊界設定上使用一種所謂"MovingWindow"之數值分析技巧,將能量有效的傳遞出計算邊界,以避免幅射波在邊界的反射現象。
    When 2-D fully nonlinear radiation problems are solved in time domainto simulating the motions of floating bodies, wave reflectionphenomena may be caused due to limited computational domains. Thiswill make the results of simulation distorted. The phenomena can beavoided by using an unlimited computational domain to satisfy the farfield boundary condition. A "Moving Window" numerical technique isapplied in this work to transmit wave energy out of the computationaldomain, so that the wave reflection problem is then resolved.
    Relation: 第三屆海峽兩岸航空太空學術研討會論文集,頁405-410
    Appears in Collections:[機械與機電工程學系暨研究所] 會議論文

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