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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52703

Title: Extended wind wave model (WWM) incorporating the effect of submerged porous media with high permeability
Authors: Tai–Wen Hsu
Yuan–Jyh Lan
Yi–Shiang Lin
Contributors: 國立臺灣海洋大學:河海工程學系
Keywords: Wind wave model
Phase average
Submerged porous media
Wave damping
Date: 2018-10
Issue Date: 2019-12-23T06:23:23Z
Publisher: Scisence Journals
Abstract: Abstract: In this study, the phase–averaged wave action equation (WAE) is extended to incorporate the effect of submerged porous media with high permeability. The wave dissipation coefficient for submerged porous media is incorporated into the WAE of the wind wave model. The coefficient of turbulent flow resistance is obtained from the work by taking the imaginary part of a mathematical model of wave transformation over a submerged porous medium under the mild–slope assumption. A method to estimate the characteristic parameter of turbulent frictional resistance in porous media is proposed in this study. Comparisons with experiments and other numerical results showed that the proposed model could be applied to waves propagating over porous beds and reefs. Practical simulations were used to investigate wave damping due to porous seabeds in nearshore areas.
Relation: pp 87-99
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52703
Appears in Collections:[河海工程學系] 期刊論文

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