Variational study of steady flows stability in incompressible fluids

被引：0

作者：

González, R ^{[1
]}

Sicardi-Schifino, AC

Sarasua, LG

机构：

[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, RA-1428 Buenos Aires, DF, Argentina

[2] Inst Astron & Fis Espacio, RA-1428 Buenos Aires, DF, Argentina

[3] Univ Republ, Fac Ciencias, Inst Fis, Montevideo 11200, Uruguay

[4] Univ Republ, Fac Ingn, Inst Fis, Montevideo 11000, Uruguay

来源：

PHYSICA A | 2000年 / 286卷 / 3-4期

关键词：

variational principle; hydrodynamic stability; plasma stability; maximum entropy principle; thermodynamic approach;

D O I：

10.1016/S0378-4371(00)00348-4

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using information theory, a new variational principle for incompressible fluids is derived. This principle is similar to a known plasma stability criterion which has successfully been applied to study the stability of different steady flows. Its main advantages, when compared to traditional methods, are: (1) to obtain the stability of a given equilibrium, only the equilibrium configuration is required, and (2) the simplicity of the calculation involved. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：435 / 446

页数：12

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