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
收藏
页码：781 / 801
页数：21
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