A Fast Combined Field Volume Integral Equation Solution to EM Scattering by 3-D Dielectric Objects of Arbitrary Permittivity and Permeability

2006 ◽  
Vol 54 (3) ◽  
pp. 961-969 ◽  
Author(s):  
X.-C. Nie ◽  
N. Yuan ◽  
L.-W. Li ◽  
Y.-B. Gan ◽  
T.S. Yeo
Keyword(s):  
Integral Equation ◽  
Volume Integral ◽  
Em Scattering ◽  
Volume Integral Equation ◽  
Equation Solution ◽  
Permittivity And Permeability ◽  
Dielectric Objects

scholarly journals VIE-FG-FFT for Analyzing EM Scattering from Inhomogeneous Nonmagnetic Dielectric Objects

2014 ◽  
Vol 2014 ◽  
pp. 1-9 ◽  
Author(s):  
Shu-Wen Chen ◽  
Hou-Xing Zhou ◽  
Wei Hong ◽  
Jia-Ye Xie
Keyword(s):  
Integral Equation ◽  
Fourier Transform ◽  
Fast Fourier Transform ◽  
Cartesian Grid ◽  
Volume Integral ◽  
Grid Spacing ◽  
Em Scattering ◽  
Volume Integral Equation ◽  
Numerical Examples ◽  
Dielectric Objects

A new realization of the volume integral equation (VIE) in combination with the fast Fourier transform (FFT) is established by fitting Green’s function (FG) onto the nodes of a uniform Cartesian grid for analyzing EM scattering from inhomogeneous nonmagnetic dielectric objects. The accuracy of the proposed method is the same as that of the P-FFT and higher than that of the AIM and the IE-FFT especially when increasing the grid spacing size. Besides, the preprocessing time of the proposed method is obviously less than that of the P-FFT for inhomogeneous nonmagnetic dielectric objects. Numerical examples are provided to demonstrate the accuracy and efficiency of the proposed method.

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