SIMPLE WAVES AND SHOCKS IN THE SHALLOW 2-LAYER FLUID

被引：3
|
作者：
MULLER, D
机构：
[1] Institute of Geophysics and Planetary Physics, University of California, Los Angeles
来源：
PHYSICAL REVIEW A | 1990年 / 41卷 / 08期
关键词：
D O I：
10.1103/PhysRevA.41.4298
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The two-layer fluid is considered in the shallow-water approximation. Vertical integration of the spatially three-dimensional, scaled Euler equations yields a spatially two-dimensional, Galilei-invariant system. Diagnostic relations appear formally as the thermodynamics of a two-component, nonideal gas. Certain aspects of the theory are reminiscent of the hydrodynamics of superfluid helium. Nonlinear wave dynamics can be studied analytically: simple waves and shocks are discussed in detail. © 1990 The American Physical Society.
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页码：4298 / 4305
页数：8
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