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相關文獻
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題 名 | The deformation of Solitary Waves on Steep Slopes=孤立波在陡坡溯升研究 |
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作 者 | 周宗仁; 歐陽寬; | 書刊名 | 中國工程學刊 |
卷 期 | 22:6 1999.11[民88.11] |
頁 次 | 頁805-812 |
分類號 | 443 |
關鍵詞 | 孤立波; 溯上; 碎波; Solitary wave runup; Rundown; Breaker; |
語 文 | 英文(English) |
中文摘要 | 本文以邊界元素法建立一模擬非線性造波之數值水槽,探討孤立波於陡坡的溯升 和溯降現象。配合自由水面的非線性邊界條件,本數值模式以Lagrangian法描述水粒子的 運動,以前進差分法處理時間項的微分。孤立波達到最大溯升時的高度和自由水面波形將於 本文中探討,並將結果與其他文獻的數據做比較。對相對入射波高等於0.4的孤立波,其流 場的速度分佈亦被討論。 |
英文摘要 | The phenomenon of solitary waves propagating through steep slopes is numerically analyzed by means of the boundary element method. With the fully nonlinear boundary condition on the free water surface, the Lagrangian method is used in the numerical scheme to describe the motion of the fluid particles. The forward-difference approximation is used to deal with the time derivative. The processes of runup and rundown of solitary waves on steep slopes are studied. Present results are compared to other published results. For waves with a ratio of incident wave height to water depth, 0.4, the distributions of fluid velocities are presented. |
本系統中英文摘要資訊取自各篇刊載內容。