Parallel fast algorithm for large-scale electromagnetic scattering

2004 ◽  
Author(s):  
Fang Wu ◽  
Yaojiang Zhang ◽  
Zaw Zaw Oo ◽  
Erping Li
Keyword(s):  
Electromagnetic Scattering ◽  
Fast Algorithm ◽  
Large Scale

scholarly journals An Efficient Algorithm for EM Scattering from Anatomically Realistic Human Head Model Using Parallel CG-FFT Method

2014 ◽  
Vol 2014 ◽  
pp. 1-8
Author(s):  
Lei Zhao ◽  
Gen Chen
Keyword(s):  
Electromagnetic Scattering ◽  
Efficient Algorithm ◽  
Large Scale ◽  
Scattering Problem ◽  
Human Head ◽  
Head Model ◽  
Em Scattering ◽  
Data Format ◽  
Dielectric Spheres ◽  
Parallel Technique

An efficient algorithm is proposed to analyze the electromagnetic scattering problem from a high resolution head model with pixel data format. The algorithm is based on parallel technique and the conjugate gradient (CG) method combined with the fast Fourier transform (FFT). Using the parallel CG-FFT method, the proposed algorithm is very efficient and can solve very electrically large-scale problems which cannot be solved using the conventional CG-FFT method in a personal computer. The accuracy of the proposed algorithm is verified by comparing numerical results with analytical Mie-series solutions for dielectric spheres. Numerical experiments have demonstrated that the proposed method has good performance on parallel efficiency.

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