A FAST NUMERICAL METHOD FOR SOLVING A REGULARIZED PROBLEM ASSOCIATED WITH OBSTACLE PROBLEMS

被引：2
|
作者：
Yuan, DaMing [1 ,2 ]
Li, Xi [1 ]
Lei, ChengFeng [1 ]
机构：
[1] Nanchang Hangkong Univ, Coll Math & Informat Sci, Nanchang 330063, Peoples R China
[2] Zhejiang Univ, Dept Math, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF THE KOREAN MATHEMATICAL SOCIETY | 2012年 / 49卷 / 05期
基金：
美国国家科学基金会;
关键词：
Rung-Kutta method; level set method; obstacle problem; ELLIPTIC VARIATIONAL-INEQUALITIES; MONOTONE MULTIGRID METHODS; SET METHODS; ALGORITHMS; EQUATIONS; FRONTS;
D O I：
10.4134/JKMS.2012.49.5.893
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Kirsi Majava and Xue-Cheng Tai [12] proposed a modified level set method for solving a free boundary problem associated with unilateral obstacle problems. The proximal bundle method and gradient method were applied to solve the nonsmooth minimization problems and the regularized problem, respectively. In this paper, we extend this approach to solve the bilateral obstacle problems and employ Rung-Kutta method to solve the initial value problem derived from the regularized problem. Numerical experiments are presented to verify the efficiency of the methods.
引用
收藏
页码：893 / 905
页数：13
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