Abstract
The results of a numerical investigation of the angle of water entry of a body on the parameters of the waves generated in the near zone are presented. The disturbed region dimensions are studied and the laws of variation of the source parameters are established. It is shown that the cavity parameters most intensely vary at the body fall angles greater than 20° and obey a quasilinear law. The variation intensity increases with increase in the velocity, while the tendency of the linear law is conserved. The water entry of a body at an angle smaller than 20° occurs in accordance with another scenario, where the body can under certain conditions rebound from the water surface, while the disturbed region boundaries are rather smeared.
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Original Russian Text © A.S. Kozelkov, A.A. Kurkin, E.N. Pelinovskii, 2016, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2016, Vol. 51, No. 2, pp. 166–176.
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Kozelkov, A.S., Kurkin, A.A. & Pelinovskii, E.N. Effect of the angle of water entry of a body on the generated wave heights. Fluid Dyn 51, 288–298 (2016). https://doi.org/10.1134/S0015462816020162
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DOI: https://doi.org/10.1134/S0015462816020162