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研究生:陳琬婷
研究生(外文):Wan-Ting Chen
論文名稱:波浪通過系列潛堤之流場研究
論文名稱(外文):A Study of Flow Field around a Series of Submerged Breakwaters
指導教授:許泰文許泰文引用關係歐善惠歐善惠引用關係
指導教授(外文):Tai-Wen HsuShan-Hwei Ou
學位類別:碩士
校院名稱:國立成功大學
系所名稱:水利及海洋工程學系碩博士班
學門:工程學門
學類:河海工程學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:中文
論文頁數:61
中文關鍵詞:系列潛堤渦流高度函數法
外文關鍵詞:hight functionseries of submerged breakwatersvortex
相關次數:
  • 被引用被引用:2
  • 點閱點閱:228
  • 評分評分:
  • 下載下載:51
  • 收藏至我的研究室書目清單書目收藏:1
  本文建立一數值模式用以解析波浪通過不透水雙列潛堤流場。文中採用有限體積法和高度函數法配合雙方程 紊流模式求解雷諾平均Navier-Stokes方程式 (Reynolds Averaged Navier-Stokes Equations) 及連續方程式。數值計算結果的精確度藉由盧(1999)的試驗資料、線性波層流邊界層速度剖面及孤立波的波高、水平、垂直流速來檢驗之。最後,本文變換不透水雙列潛堤間距及波浪條件參數,探討波浪通過系列潛堤的渦流生成與消散、渦流位置以及渦流強度,並藉著水粒子軌跡探討此流場的堤址掏刷效應。
The main purpose of this study is to develop a numerical model for solving Reynolds Averaged Navier-Stokes Equations and Continuity equations. The present paper investigates the vortex generation and dissipation caused by period progressive waves passing over a series of submerged breakwaters. The accuracy of the numerical model was verified through the analytical solutions and the experimental data. The mechanism of the vortex is simulated by the developed model for different wave conditions and combinations of submerged breakwaters.
中文摘要 Ⅰ
英文摘要 Ⅱ
誌謝 Ⅲ
目錄 Ⅳ
圖表目錄 Ⅵ
符號說明 Ⅷ
第一章 緒論 1
1-1 研究動機與目的 1
1-2 前人研究 2
1-3 本文組織 4
第二章 理論架構 5
2-1 控制方程式 6
2-2 紊流模式 7
2-3 初始條件 12
2-4 邊界條件 13
2-4-1 上游邊界條件 13
2-4-2 下游邊界條件 15
2-4-3 底床結構物邊界條件 15
2-4-4 自由液面邊界條件 16
第三章 數值方法 18
3-1 網格變數計算點之配置 18
3-1-1 交錯網格 (Staggered grid) 18
3-1-2 自由液面之網格分類 19
3-2 傳輸方程式之離散 20
3-2-1 次方律差分法 (PLD)-對流項與擴散項之離散 20
3-2-2 壓力項之離散 21
3-2-3 傳輸方程之離散式 22
3-3 自由液面的處理 23
3-4 壓力疊代技巧 25
3-5 自由液面的計算 28
3-6 數值計算程序 29
第四章 結果與討論 31
4-1 數值模式驗證 31
4-2 流場變化 36
4-3 渦流強度 43
4-4 流線變化 48
4-5 波浪變形 51
4-6 水粒子軌跡 55
第五章 結論與建議 57
5-1 結論 57
5-2 建議 57
參考文獻 58
自述 61
參考文獻
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