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陈如山

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期刊论文

Flexible GMRES-FFT method for fast matrix solution: application to 3D dielectric bodies electromagnetic scattering

陈如山R.S. Chen* D.Z. Ding Z.H. Fan Edward K.N. Yung and C.H. Chan

Int. J. Numer. Model. 2004; 17: 523-537,-0001,():

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摘要/描述

In this paper, the electromagnetic wave scattering is analysed by the efficient Krylov subspace iterative fast Fourier transform (FFT) technique in terms of the electric field integral equation (EFIE) for a dielectric body of general shape, inhomogeneity, and anisotropy. However, when the permittivity of the scatter becomes large, the convergence rate of Krylov subspace iterative methods slow down. Therefore, the innerouter flexible generalized minimum residual method (FGMRES) is used to accelerate the iteration. As a result, nearly 10 times convergence improvement is achieved for high permittivity cases. Copyright

版权说明:以下全部内容由陈如山上传于   2005年03月25日 19时20分41秒,版权归本人所有。

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