Decomposition of Incident and Reflected Waves Using a Single Moving Wave Gauge

Tae-Hwa Jung; Seung Oh Lee; Yong-Sik Cho

doi:10.2112/08-1003.1

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Tae-Hwa Jung,^1,* Seung Oh Lee,² Yong-Sik Cho^1,**

¹†Department of Civil Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791
²‡School of Urban & Civil Engineering, Hongik University, 72-1 Sangsoo-dong, Mapo-gu, Seoul 121-791,

^** Present address: Department of Civil Engineering, Hanbat National University, San 16-1, Dukmyung-dong, Yuseong-gu, Daejeon 305-719, Korea.
^**** Corresponding author.

Abstract

A new method of splitting regular or irregular waves into reflected and transmitted waves using a single moving wave gauge was developed. Water surface elevations at several locations and times were measured with one wave gauge, and the incident and reflected wave heights were obtained using the fast Fourier transformation and the least-square method. The accuracy and efficiency of the proposed method were validated using numerical tests for regular and irregular waves. Good agreement was observed between the target and the prediction values.

Citation Download Citation

Tae-Hwa Jung, Seung Oh Lee, and Yong-Sik Cho "Decomposition of Incident and Reflected Waves Using a Single Moving Wave Gauge," Journal of Coastal Research 2009(253), 704-710, (1 May 2009). https://doi.org/10.2112/08-1003.1

Received: 14 January 2008; Accepted: 17 April 2008; Published: 1 May 2009

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