扇形区域外问题的自适应边界元方法  

THE ADAPTIVE BOUNDARY ELEMENT METHOD FOR PROBLEM IN EXTERIOR SECTOR DOMAIN

作　　者：邱亚南 王娜[1] 刘东杰[1] Qiu Yanan;Wang Na;Liu Dongjie(Department of Mathematics,College of Sciences,Shanghai University,Shanghai 200444,China)

机构地区：[1]上海大学理学院,上海200444

出　　处：《数值计算与计算机应用》2021年第4期337-350,共14页Journal on Numerical Methods and Computer Applications

基　　金：国家自然科学基金(11571226)资助.

摘　　要：本文研究扇形区域外laplace问题的自适应自然边界元方法.我们充分利用了自然积分算子的特殊性质和积分核级数展开法,得到了两个新的可靠后验误差估计,数值算例验证了理论分析结果.In this paper,we focus on the adaptive boundary element method(ABEM)of Laplace problem in exterior sector domain.The property of natural integral operator and the integral kernel series expansion method lead to the reliability a posteriori error estimates.Some numerical experiments conclude the paper with empirical evidence of the superiority of the ABEM.

关 键 词：扇形区域外问题 自适应边界元方法 后验误差估计 

分 类 号：O241.82[理学—计算数学]