A method for calculating effective electromagnetic parameters of a periodic medium
Kondrashov S.V., Shashkeev K.A., Popkov O.V. A method for calculating effective electromagnetic parameters of a periodic medium // Proceedings of VIAM. 2017. No. 6. DOI: 10.18577/2307-6046-2017-0-6-9-9. URL: https://test.viam.ru/en/journal/2017/6/9
Keywords
effective electromagnetic parameters, permittivity, permeability, periodic medium, disordered medium, parallel computations.
Abstract
This paper describes a method for computing effective electrodynamic parameters (susceptibility tensors) of a partially disordered periodic medium with a rectangular cell; the cell must be considerably smaller that the electromagnetic wave length in the medium. The computational complexity of the suggested iterative algorithm is O(NxNyNzlnNxlnNylnNz) per iteration, and the required memory size is Θ(NxNyNz), where Nx, Ny and Nz stand for the grid size in the respective directions. The algorithm can be extended so that it will also support periodic media with non-rectangular cells, which only requires a few additional linear transforms.
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