系統識別號 U0026-0812200911363360 論文名稱(中文) 波浪作用於透水彈性物體之研究分析 論文名稱(英文) Analysis of waves interacting with submerged Poro-elastic structures 校院名稱 成功大學 系所名稱(中) 水利及海洋工程學系專班 系所名稱(英) Department of Hydraulics & Ocean Engineering (on the job class) 學年度 93 學期 2 出版年 94 研究生(中文) 林木成 研究生(英文) Mu-Cheng Lin 學號 n8790114 學位類別 碩士 語文別 中文 論文頁數 53頁 口試委員 口試委員-翁文凱指導教授-李兆芳口試委員-余進利指導教授-許泰文 中文關鍵字 潛堤  透水彈性  波浪 英文關鍵字 submerged  poro-elastic  wave 學科別分類 中文摘要 本文研究為以試驗方式探討波浪受到潛式透水彈性結構物之影響，主要考慮在試驗水槽中設計透水且有彈性之潛堤，潛堤底部固定於水槽中，於潛堤中空處填滿灌水之氣球，並於氣球中加裝玻璃珠，以確保氣球在波浪場中不會浮起。本試驗採用結構物模型有實心潛堤、上方開口中空潛堤、以及上方透水彈性潛堤等三種，並量測波浪通過結構物前方之入射與反射、結構物後方透過及結構物上方之情形，以及研究透水性及彈性對於入射波浪之影響。 　　為驗證試驗結果之正確性，實心潛堤的試驗反射率與線性波理論解析解比較，結果顯示雖然試驗點數不多，但是試驗數據仍分佈於理論曲線合理範圍內。比較透水彈性結構物前方、上方、以及結構物後方的波形，結果顯示潛堤因透水性對於入射波浪產生組尼效果，但因模型尺度太小，彈性的影響難以觀測。再比較三種結構物之波形，比較結果顯示上方開口中空潛堤，由於中空的幾何型態不同，改變通過波浪之波形，試驗研究的結果，可供後續研究參考。 英文摘要 The problems of wave propagating over submerged porous and elastic structures are studied experimentally in this thesis. Principal consideration in this study is to design model structures having porous and elastic properties which are submerged in the wave channel for the experiments. An empty box that filled with water-inflated balloons fixed at the bottom of the channel is used as the model structure. The balloons are also ballasted inside with glass balls to ensure balloons do not float in the wave fields. Three types of model structures are actually used in the experiments, a closed empty structure, a top-open empty structure, and a poro-elastic structure. Incident and reflected waves in front of the structure, transmitted waves behind the structure, as well as waves above the structure are measured, and effects of porosity and elastic structures on incident waves are then investigated. 　　To ensure the accuracy of the experiments, reflection coefficients of a submerged rigid structure are compared with analytic results. The comparisons show good consistent tendency, although the amount of experimental data are not enough. Wave forms in front of, atop, and behind the submerged poro-elastic structures are compared. And the results indicate that the submerged structures have certain damping effects on incident waves due to porosity, but the elastic effects are difficult to observe as the model scale may be too small. Wave forms for the three structure models are also compared, and the comparisons show that the top-open empty box can change the passing wave forms due to trapping effects. The present experimental study may provide useful information for further research in the future. 論文目次 中文摘要………………………………………………………………..Ⅰ 英文摘要..………………………………………………………………Ⅱ 誌謝……………………………………………………………………..Ⅲ 目錄..…………………………………………………………………. Ⅳ 圖目錄…………………………………………………………………..Ⅵ 照片目錄..……………………………………………………………. Ⅷ 表目錄…………………………………………………………………..Ⅸ 第一章、緒論………………………………………………………1 1-1前言…………………………………………………………….1 1-2文獻回顧……………………………………………………….1 1-3研究目的……………………………………………………….4 1-4本文組織……………………………………………………….4 第二章、模型結構之製作…………………………………………5 2-1設計構想……………………………………………………….5 2-2模型製作……………………………………………………….6 第三章、試驗配置與分析方法…………………………………..11 3-1試驗配置.………………………………………………………11 3-2造波水槽及儀器設備..……………………………………….16 3-3實驗條件.………………………………………………………20 3-4試驗步驟.………………………………………………………22 3-5試驗資料分析.…………………………………………………23 第四章、結果與討論………………………………………………30 4-1反射率之比較分析…………………………………………….30 4-2波浪通過不同潛式結構上方、堤後之波形比較…………….32 4-3波浪通過潛式結構堤上方、堤前、堤後之波形比較……...42 第五章、結論與建議……………………………………………..48 5.1結論…………………………………………………………….48 5.2建議…………………………………………………………….49 參考文獻……………………………………………………………50 參考文獻 1.李兆芳，藍元志"波浪與透水彈性潛堤之互制分析"第二十一屆海洋工程研討會論文集， pp.205-212（1999）。 2.林建宏，黃良雄，宋長虹，"通過硬多孔彈性底床之非線性淺水波"第十八屆海洋工程研討會論文集，pp. 25-37(1996)。 3.林朝福，洪溫德， "孔隙底床上之波譜變形"第十六屆海洋工程研討會論文集，pp. B239-B255(1994) 4.李兆芳，涂力夫， "波浪通過矩形不透水潛堤之二階解析"國文成功大學水利及海洋工程研究所碩士論文，（2002）。 5.李兆芳，"波浪與潛式透水結構物互相作用分析"國科會報告，（1994）。 6.李兆芳，黃玄 "波浪輿潛式透水結構物互相作用分析"國文成功大學水利及海洋工程研究所碩士論文，（1996）。 7.李兆芳，劉正琪 "波浪通過透水潛堤之新理論解析"第十七屆水利工程研討會，pp.593-605（2001）。 8.黃煌輝，涂盛允，黃國書 "波浪通過潛堤透過率之研究"，第三十四屆海洋工程研討會論文集。pp.213-220（2002）。 9.陳鴻彬，蔡清標，邱浚睿 "直立堤前具孔隙消波護工之波浪反射率解析"第三十四屆海洋工程研討會專題講座論文集，pp.293-300（2002）。 10.張興漢，張舜君，黃清哲，丁舜臣，黃煌輝 "孤立波通過透水潛堤之波形變化分析"，中華民國第三十三屆海洋工程研討會，pp.356-363（2001）。 11.林朝福，曾建貴，黃秀雲 "拋石堤內孔隙水壓變化之探討"第十屆水利工程研討會pp.A14-A20，(2000)。 12.涂盛文，許文鴻 "多層透水潛堤消波效率之研究" ，國立成功大學水利及海洋工程研究所碩士論文，（1999）。 13.吳永照，徐虎嘯 "孤立波與透水潛堤的交互作用"，第二十四屆海洋工程研討會論文集，pp.285-292（2002）。 14.涂盛文，涂倉維 "波浪斜向作用下多層透水潛堤消波特性之研究"，國立成功大學水利及海洋工程研究所碩士論文，（2000）。 15.岳景雲，曹登皓，江天授，李厚慶 "波浪通過凹型及凸型潛堤反射率之研究"第十屆水利工程研討會pp.A21-A27，(2000)。 16.毆善惠，許健略，陳蜿婷，陳義芳 "波浪通過系列潛堤流場之研究第三十四屆海洋工程研討會論文集"，pp.252-259，（2002）。 17.許泰文 "近岸水動力學"，中國土木水利工程學會，台灣，pp.97-119，（2003）。 18.Chakrabarti, S., " Empirical calculation of roll damning of ships and barges" Ocean Engineering 28, pp.915-932.（2001）. 19.Chang, K.-A., Hsu, T.-J., Liu, P.L.-F., "Vortex generation and evolution in water waves propagating over a submerged rectangular obstacle Part I. 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