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Multidomain pseudospectral time‐domain method for computation of electromagnetic scattering by bodies of revolution
Author(s) -
Shi Yan,
Su Tao,
Liang ChangHong
Publication year - 2005
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.21091
Subject(s) - finite difference time domain method , cylindrical coordinate system , computation , collocation (remote sensing) , spherical coordinate system , collocation method , perfectly matched layer , cartesian coordinate system , scattering , fourier transform , maxwell's equations , mathematical analysis , domain (mathematical analysis) , pseudospectral optimal control , microwave , pseudo spectral method , azimuth , physics , mathematics , optics , computer science , algorithm , geometry , fourier analysis , differential equation , quantum mechanics , ordinary differential equation , machine learning
We present a multidomain pseudospectral method using cylindrical and spherical coordinates for the accurate and efficient time‐domain computation of scattering by bodies of revolution (BOR). In the BOR formulation of Maxwell's equations, the Fourier collocation method is utilized in the azimuthal direction and the Chebyshev collocation method in the other directions. Using the complex‐coordinate‐stretching approach, the strongly well‐posed perfectly matched layer (PML) formulations are derived in cylindrical and spherical coordinates. A comparison of the results obtained using the multidomain pseudospectral method and those using the finite‐difference time‐domain (FDTD) method clearly illustrates the superiority of the algorithm developed in this paper. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 92–96, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21091