Systems of Hydrodynamic Type that Approximate Two-Dimensional Ideal Fluid Equations

被引：0
|
作者：
V. P. Dymnikov
P. A. Perezhogin
机构：
[1] Russian Academy of Sciences,Institute of Numerical Mathematics
来源：
Izvestiya, Atmospheric and Oceanic Physics | 2018年 / 54卷
关键词：
ideal fluid; equilibrium states; finite-dimensional approximations; Hamiltonian systems; turbulence;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Statistical properties of different finite-dimensional approximations of two-dimensional ideal fluid equations are studied. A special class of approximations introduced by A.M. Obukhov (systems of hydrodynamic type) is considered. Vorticity distributions over area and quasi-equilibrium coherent structures are studied. These coherent structures are compared to structures occurring in a viscous fluid with random forcing.
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页码：232 / 241
页数：9
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