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.
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页码：48 / 57
页数：9
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