A self-similar solution to the equation of gas filtration in a spherically symmetric porous medium

被引：0

作者：

L. D. Eskin

机构：

[1] Kazan State University,

来源：

Russian Mathematics | 2008年 / 52卷 / 8期

关键词：

self-similar solution; singular point; asymptotics; normal form; neighborhood;

D O I：

10.3103/S1066369X08080069

中图分类号：

学科分类号：

摘要：

We consider the Cauchy problem for the Boussinesq equation which describes filtration of a gas in a spherically symmetric porous medium. For the self-similar solution to this problem we construct a formal in the neighborhood of the point r → ∞ expansion and a convergent near r = 0 one.

引用

页码：48 / 57

页数：9