Abstract
Although solitary waves with large ratio of wave height to water depth are difficult to produce in laboratory settings by traditional wave generating methods, a water column collapsing (WCC) method can be employed. This study uses the WCC method to produce large solitary waves and through a series of experiments, an empirical equation is developed that considers wave height and water depth in addition to water column height and depth. Generated solitary waves are studied through wavelet transforms. Results from this analysis demonstrate that the ratios between the initial laboratory-generated solitary wave and its theoretical counterpart range from 0.2–0.8. By using the results, a new solitary wave generating law is derived and can be applied to future solitary wave laboratory studies.
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Funding
The work was financially supported by the National Key Research and Development Program of China (Grant Nos. 2017YFA0604100, 2018YFA0605904 and 2021YFB2600702) and the Nanjing Hydraulic Research Institute Special Fund for Basic Scientific Research of Central Public Research Institutes (Grant Nos. Y221017 and Y222004).
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Wang, J., Dong, Cm., Liu, Qj. et al. Solitary Wave Simulated by the Water Column Collapsing Method. China Ocean Eng 36, 395–402 (2022). https://doi.org/10.1007/s13344-022-0035-6
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DOI: https://doi.org/10.1007/s13344-022-0035-6