Precorrected-FFT method for EM scattering from composite metallic-dielectric objects

被引：4

作者：

Chen ZhongKuan ^{[1
]}

Chai ShunLian ^{[1
]}

Yang Hu ^{[1
]}

Mao JunJie ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Elect Sci & Engn, Changsha 410073, Hunan, Peoples R China

来源：

CHINESE SCIENCE BULLETIN | 2010年 / 55卷 / 07期

关键词：

method of moment; volume-surface integral equation; precorrected-FFT method; EM Scattering; INTEGRAL-EQUATION APPROACH; FAST MULTIPOLE ALGORITHM; ELECTROMAGNETIC SCATTERING; BODIES; RADIATION; ANTENNAS;

D O I：

10.1007/s11434-009-0237-9

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The volume-surface integral equation (VSIE), the surface integral equation (SIE) and the volume integral equation (VIE) of EM scattering problem are converted into linear equations with the method of moment, then the precorrected-FFT method is used to solve the linear equations. To overcome the drawback of conventional stencil topology, two kinds of improved stencil topology, stencil topology B and stencil topology C, are presented, and the construction and actual performance of the three kinds of stencil topology are compared. Numerical results show that good agreement is observed between the P-FFT solutions combined with each of the three kinds of stencil topology and the standard solutions. Stencil B can significantly reduce the number of near-zone precorrections. Stencil C potentially holds for parallel multilevel P-FFT since grid overlapping never occurs between any stencils.

引用

页码：656 / 663

页数：8

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