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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50691

Title: Modified McCormicks model for equilibrium shorelines behind a detached breakwater
Authors: T.-W. Hsu
Chyan-Deng Jan
Chih-Chung Wen
Contributors: 國立臺灣海洋大學:河海工程學系
Date: 2003-10
Issue Date: 2018-10-22T01:53:46Z
Publisher: Ocean Engineering
Abstract: Abstract: Experimental data of equilibrium shorelines behind a detached breakwater obtained by previous investigators were collected and re-reviewed to investigate the major parameters affecting the shoreline shapes. The result shows that the equilibrium shorelines depend not only on the breakwater length B and the distance of the breakwater from the initial shoreline S, but also on the incident wave steepness H0/L0, beach slope Sb and the sand size D50. Most of equilibrium shorelines behind a detached breakwater could be approximately described by a couple of elliptic curves as proposed by McCormick (Ports, Coastal & Ocean Engineering ASCE 119, 1993, p. 657). However, after re-examination, this paper shows that the dimensionless semiminor axis b/S and the dimensionless distance G/b in the McCormick’s elliptic-curve model should be modified, as compared with the available experimental data. The modified expressions of b/S and G/b were proposed, and the performances of the modified expressions were also detaily examined in this paper.
Relation: 30(15) pp.1887-1897
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50691
Appears in Collections:[河海工程學系] 期刊論文

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