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Far Fields of Internal Waves Excited by a Pulsing Source in a Stratified Medium with Shear Flows
Journal of Applied Mechanics and Technical Physics ( IF 0.5 ) Pub Date : 2020-02-05 , DOI: 10.1134/s0021894419060051
V. V. Bulatov , Yu. V. Vladimirov

A problem of the far field of internal gravity waves excited by an oscillating point source of perturbations in a stratified medium with a shear flow is solved. A model distribution of the shear flow velocity by depth is considered and an analytical solution to this problem is obtained in the form of the characteristic Green function expressed in terms of the modified Bessel functions of the imaginary index. Expressions for dispersion relations are obtained and integral representations of solutions are constructed. The dependences of the wave characteristics of the excited fields on the main parameters of the used stratification models, flows, and generation regimes are investigated.

中文翻译:

具有剪切流的层状介质中脉冲源激发的内波的远场

解决了在具有剪切流的分层介质中由扰动的振荡点源激发的内部重力波的远场问题。考虑了按深度的剪切流速的模型分布,并以特征格林函数的形式获得了该问题的解析解,格林函数以虚数索引的修正贝塞尔函数表示。得到了色散关系的表达式,并构造了解的积分表示。研究了激发场的波特性对所用分层模型,流量和产生方式的主要参数的依赖性。
更新日期:2020-02-05
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