Water Surface Wave in a Trough with Periodical Topographic Bottom

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, , Citation Wang Qi et al 2007 Chinese Phys. Lett. 24 2285 DOI 10.1088/0256-307X/24/8/036

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1 Institute of Acoustics, Nanjing University and Key Laboratory of Modern Acoustics (Ministry of Education), Nanjing University, Nanjing 210093

Dates

  1. Received 7 March 2007
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0256-307X/24/8/2285

Abstract

We present the theoretical and experimental results of water surface wave in a trough with periodical topographic bottom under parametric excitation. There are 19 steps of the same size periodically inserted into the trough. It is found that waveforms observed in the experiment are consistent with theoretical ones. Moreover, some complex and interesting phenomena arise in the experiment due to nonlinearity.

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