A Domain Decomposition Technique for Efficient Iterative Solution of Nonlinear Electromagnetic Problems

被引：1

作者：

Guarnieri, Giacomo ^{[1
]}

Pelosi, Giuseppe ^{[2
]}

Rossi, Lorenzo ^{[2
]}

Selleri, Stefano ^{[2
]}

机构：

[1] Selex Galileo SpA, Dep Antennas, BU Radar Syst, I-50013 Florence, Italy

[2] Univ Florence, Dept Elect & Telecommun, I-50134 Florence, Italy

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2010年 / 58卷 / 12期

关键词：

Domain decomposition; finite element method; nonlinear media; nonlinear wave propagation; WAVE-GUIDES; SCATTERING; PROPAGATION; CYLINDERS; FILTERS;

D O I：

10.1109/TAP.2010.2078462

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An innovative method for fast analysis of electromagnetic problems comprising nonlinear dielectrics is proposed. The method is based on the combination of finite elements and domain decomposition methods. This latter technique allows for the separation of the problem in multiple subproblems which can be solved separately. By appropriately defining one of such subdomains as containing all the nonlinear dielectrics it is possible to restrict the application of an iterative algorithm for the numerical solution of nonlinear equations only to this latter, smaller, domain. Numerical results showing the accuracy and efficiency of this technique are presented in few 2D cases.

引用

页码：4090 / 4095

页数：7

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