Fast Spectral Iterative Technique for the Analysis of Planar Metasurface-type Structures

Hubert, Simon;Bodehou, Modeste;Craeye, Christophe
(2018) 12th European Conference on Antennas and Propagation (EuCAP 2018) — Location: London, UK (9.April.2018)

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Authors
  • Hubert, SimonUCLouvain
    Author
  • Bodehou, ModesteUCLouvain
    Author
  • Craeye, ChristopheUCLouvain
    Author
Abstract
A fast iterative algorithm based on the Krylov subspace is proposed to simulate the current distribution on large printed structures. The acceleration is obtained by computing the matrix-vector product series appearing in the formulation in the spectral domain and by making efficiently use of the Contour-FFT transformation. The resulting algorithm is then very robust, i.e. can be used for any kind of printed structures. The numerical analysis of modulated metasurface antennas based on the proposed method is presented and compared with a prevalidated algorithm, making use of the concept of equivalent “Impedance Boundary Condition” to directly get the current distribution.
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Hubert, S., Bodehou, M., & Craeye, C. (2018). Fast Spectral Iterative Technique for the Analysis of Planar Metasurface-type Structures. Proceedings of the 12th European Conference on Antennas and Propagation (EuCAP 2018), p. 4 pages. https://hdl.handle.net/2078.5/224828