SELF-ORGANIZATION IN QUASI-2-DIMENSIONAL HYDRODYNAMIC FLOWS

被引：1
|
作者：
NARAYANAN, AS
机构：
[1] Indian Institute of Astrophysics, Bangalore
来源：
PHYSICA SCRIPTA | 1993年 / 47卷 / 06期
关键词：
D O I：
10.1088/0031-8949/47/6/019
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The cascading characteristics of the invariants of 2D and 3D hydrodynamically turbulent media are well known. Analogous to the 2D case, here we set up a variational principle for the 3D case by invoking the differential decay rates of its invariants, the total energy and the mean square helicity density. Analytical solution of the equation so obtained for the velocity field is presented for a special case.
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页码：800 / 802
页数：3
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