Exact free surfaces in constant vorticity flows

Exact free surfaces in constant vorticity flows
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恒定涡流中的精确自由表面

DOI:
10.1017/jfm.2020.390
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发表时间:
2020
影响因子:
3.7
通讯作者:
Miles H. Wheeler
Miles H. Wheeler
中科院分区:
工程技术2区
文献类型:
--
作者:
V. M. Hur;Miles H. Wheeler

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我们提出了一个精确的解决方案,在二维,无限深和恒定的涡量流,在重力或表面张力的影响的情况下,周期性行波。自由表面的形状与克拉珀著名的无旋流动中的毛细波的形状相同,但波下的流动(也是显式的)完全不同。这证实了Dyachenko和Hur(J. Fluid Mech.,第878卷,2019年b,pp. 502-521; Stud. Appl. Maths,vol.142(2),2019c,pp. 162-189)和Hur & Vanden-Broeck(Eur. J. Mech.(B/Fluids),2020年,将出现),基于数值和渐近证据。
We present an exact solution for periodic travelling waves in two-dimensional, infinitely deep and constant vorticity flows, in the absence of the effects of gravity or surface tension. The shape of the free surface is the same as for Crapper’s celebrated capillary waves in an irrotational flow, but the flow beneath the wave, which is also explicit, is completely different. This confirms a conjecture made by Dyachenko & Hur (J. Fluid Mech., vol. 878, 2019b, pp. 502–521; Stud. Appl. Maths, vol. 142 (2), 2019c, pp. 162–189) and Hur & Vanden-Broeck (Eur. J. Mech. (B/Fluids), 2020, to appear), based on numerical and asymptotic evidence.
具有恒定涡度的斯托克斯波:一、数值计算
DOI: 10.1111/sapm.12250
发表时间: 2019
影响因子: 2.7
作者:
Dyachenko, Sergey A.;Hur, Vera Mikyoung
通讯作者: Hur, Vera Mikyoung