A WELL-CONDITIONED INTEGRAL EQUATION FOR ITERATIVE SOLUTION OF SCATTERING PROBLEMS WITH A VARIABLE LEONTOVITCH BOUNDARY CONDITION

被引：7

作者：

Pernet, Sebastien ^{[1
]}

机构：

[1] CERFACS, F-31057 Toulouse 01, France

来源：

ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE | 2010年 / 44卷 / 04期

关键词：

Electromagnetic scattering; boundary integral equations; impedance boundary condition; preconditioner; DOMAIN DECOMPOSITION METHOD; ELECTROMAGNETIC SCATTERING; ELEMENT; PRECONDITIONER; RADIATION;

D O I：

10.1051/m2an/2010023

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The construction of a well-conditioned integral equation for iterative solution of scattering problems with a variable Leontovitch boundary condition is proposed. A suitable parametrix is obtained by using a new unknown and an approximation of the transparency condition. We prove the well-posedness of the equation for any wavenumber. Finally, some numerical comparisons with well-tried method prove the efficiency of the new formulation.

引用

页码：781 / 801

页数：21

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