Inconsistencies in moment methods -: art. no. 032103

被引：8

作者：

Velasco, RM ^{[1
]}

Uribe, FJ ^{[1
]}

García-Colín, LS ^{[1
]}

机构：

[1] Univ Autonoma Metropolitana Iztapalapa, Dept Fis, Mexico City 09340, DF, Mexico

来源：

PHYSICAL REVIEW E | 2002年 / 66卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.66.032103

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In this work we show that moment methods devised to solve the Boltzmann kinetic equation for a simple gas exhibit some inconsistencies. This puzzle, which also appears for the Chapman-Enskog method, is solved resorting to a perturbative expansion in the Knudsen number, thus allowing for a clear way to arrive at a closure condition.

引用

页数：4

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