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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40052

Title: A Note on the Derivation of Wave Action Balance Equation in Frequency Space
Authors: Tai-Wen Hsu
Jian-Ming Liau
Shin-Jye Liang
Shan-Hwei Ou
Yi-Ting Li
Contributors: 國立臺灣海洋大學:海洋環境資訊學系
Keywords: Jacobian
wave action balance equation
wavenumber-spectrum
frequency-spectrum
Date: 2011-03
Issue Date: 2017-01-12T07:25:24Z
Publisher: China Ocean Engineering
Abstract: Abstract: In this paper the wave action balance equation in terms of frequency-direction spectrum is derived. A theoretical formulation is presented to generate an invariant frequency space to replace the varying wavenumber space through a Jacobian transformation in the wave action balance equation. The physical properties of the Jacobian incorporating the effects of water depths are discussed. The results provide a theoretical basis of wave action balance equations and ensure that the wave balance equations used in the SWAN or other numerical models are correct. It should be noted that the Jacobian is omitted in the wave action balance equations which are identical to a conventional action balance equation.
Relation: 25(1)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40052
Appears in Collections:[海洋環境資訊系] 期刊論文

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