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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/84802


    Title: 二維非結構動態網格之流場研究
    Other Titles: The study of two dimensional dynamic unstructure grid flow with bowyer scheme
    Authors: 宛同;王育軒;陳振國
    Contributors: 淡江大學航空太空工程學系
    Keywords: 非結構性格點;有限體積法;時間間隔Unstructured Grid;Finite Volume Method;Time Step
    Date: 1995-12
    Issue Date: 2013-03-22 19:49:48 (UTC+8)
    Publisher: 臺北縣:淡江大學航空工程學系
    Abstract: 由於電腦的進步,使得計算流力〔CFD〕的發展更加迅速。非結構網格點的生成方法有 Advancing Front、Sweepline、Quatree和 Bowyer Scheme等。本文採用Bowyer Scheme來生成格點,其優點在於僅需給定邊界點,而能達到自動生成、局部加密等的功能。本文以有限體積法〔Finite Volume Method〕來離散方程式,並用 Roe's方法來求解邊上的物理量。為加速收斂,故加上4階Runge-Kutta方法以提高一個時間間隔〔 Time Step〕的準確性。動態問題處理以 Smoothing為基礎,加上網格點品質與幾何守恆定律〔GCL〕的限制,使得邊界與網格點的位置能相互對應改變,所以對於邊界移動的問題已能作適當的處理。
    Relation: 第一屆海峽兩岸航空太空學術研討會論文集,頁89-96
    Appears in Collections:[航空太空工程學系暨研究所] 會議論文

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