Title :
The stabilized biconjugate gradient fast Fourier transform method for electromagnetic scattering
Author :
Xu, Xuemin ; Liu, Qing Huo ; Zhang, Zhong Qing
Author_Institution :
Dept. of Electr. & Comput. Eng., Duke Univ., Durham, NC, USA
Abstract :
An iterative method, the stabilized biconjugate gradient (BiCGSTAB) method, combined with the fast Fourier transform (FFT) for solving electromagnetic scattering problems is developed for 3-D volume electric field integral equation. It converges significantly faster than the conventional conjugate gradient (CG) and biconjugate gradient (BiCG) fast Fourier transform methods. With this BCGS-FFT method, we can solve a large-scale volume integral equation with 20 million unknowns on a single CPU workstation.
Keywords :
conjugate gradient methods; electromagnetic wave scattering; fast Fourier transforms; 3-D volume electric field integral equation; BiCGSTAB method; FFT; electromagnetic scattering; iterative method; large-scale volume integral equation; stabilized biconjugate gradient fast Fourier transform method; Character generation; Convergence; Convolution; Dielectric losses; Electromagnetic scattering; Fast Fourier transforms; Integral equations; Iterative methods; Linear systems; Permittivity;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2002. IEEE
Print_ISBN :
0-7803-7330-8
DOI :
10.1109/APS.2002.1016722
