An iterative method for mixed finite element schemes

被引：0
|
作者：
A. P. Gogin
M. M. Karchevsky
机构：
[1] Kazan Federal University,
来源：
Lobachevskii Journal of Mathematics | 2012年 / 33卷 / 4期
关键词：
second-order quasilinear elliptic equation; mixed finite element method; iterative method; saddle matrix; convergence analysis;
D O I：
10.1134/S1995080212040063
中图分类号：
学科分类号：
摘要：
An iterative method with a saddle preconditioner is proposed for solving a system of nonlinear equations that arises in the approximation of a quasilinear second-order elliptic equation with a mixed scheme of finite elements of Raviart-Thomas type. The ways of choosing the iteration parameter are pointed out that ensure the convergence of the method. The results of numerical experiments are presented.
引用
收藏
页码：400 / 404
页数：4
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