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題名 | 安平港雙開口對於港池波浪場之影響=Effects of Two Openings on Wave Fields of the An-Ping Harbor |
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作者 | 劉正琪; 李兆芳; 邱永芳; 李俊穎; Liu, Cheng-chi; Lee, Jaw-fang; Chiu, Yung-fang; Lee, Chun-ying; |
期刊 | 海洋工程學刊 |
出版日期 | 20140900 |
卷期 | 14:3 2014.09[民103.09] |
頁次 | 頁161-176 |
分類號 | 443.2 |
語文 | chi |
關鍵詞 | 雙開口; 港池共振; 安平港; Two-openings; Harbor resonance; An-Ping Harbor; |
中文摘要 | 本文探討安平漁港開口對於整個安平港包括安平商港港域波浪場產生影響的問題。波浪場模擬所使用的有限元素法模式能夠考慮波浪折射、繞射和反射效應,同時對整個雙開口的安平港進行計算。在模式驗證方面,本文以相鄰兩矩形港口為案例,配合理論解說明數值模式模擬結果正確性,間接證明本文波浪模式適用於安平港雙開口港池波浪問題。針對雙開口安平港波浪場模擬結果,本文著重於長週期波浪引起的共振現象,並分析港池局部水域發生共振現象之週期。另外,運河及竹溪透波邊界條件之考慮會消減整體港池發生共振之現象。 |
英文摘要 | The opening up of the An-Ping Fishery Harbor affecting the wave fields in the entire An-Ping harbor including the Commercial Harbor is studied. A finite element model considering wave refraction, diffraction and reflection in the wave filed is used to simulate the wave fields of the An-Ping Harbor with two openings. To show effectiveness of the present numerical model, the problem of two neighboring rectangular harbors with calculating amplification factors at end points of the basin is calculated. The present results are consistent with theoretical results by Liu et al. (2003, 2004) that indicates capability of the present numerical model. For the two-opening An-Ping Harbor, harbor resonance of long period waves and resonant wave period of local location are analyzed. In addition, consideration of wave transmission condition of canal and Zhu-Xi can decrease resonance of the entire harbor. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。