Simulation of Water Waves by Higher Order Mild-Slope Equation (II)

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Project title

Code/計畫編號

NSC95-2221-E006-462-

Translated Name/計畫中文名

近岸波場變形之研究---以高階緩坡方程式模擬波浪之變形(II)

Project Coordinator/計畫主持人

Tai-Wen Hsu

Co-Investigator(s)/共同執行人

許泰文
林達遠
張人懿

Website

https://www.grb.gov.tw/search/planDetail?id=1300032

Year

2006

Start date/計畫起

01-08-2006

Expected Completion/計畫迄

31-07-2007

Bugetid/研究經費

808千元

本文以Hsu 和 Wen (2001) 提出的延伸型緩坡方程式為控制方程式，在邊界條件之設定引用 Mordane 等人(2004) 所提議之高階近似輻射邊界條件。本文模式利用實驗數據進行驗證，以各種不同入射角度探討波浪大角度入射之問題，所得結果有良好的準確性，可有效地改良往昔低階邊界條件。In this paper, following the proceduce of the parabolic formulation using Padé [2,2] approximation of the propagation equation for water waves outlined by Mordane et al. (2004), the evolution equation of mild-slope equation is improved. The model is calibrated by experiments for waves passing over a shoal. Reasonably good agreements are obtained in terms of free surface displacement. Computational examples are provided to show the improvement in the higher-order Padé [2,2] approximation relative to the existing lower order approximation

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Simulation of Water Waves by Higher Order Mild-Slope Equation (II)

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