A kernel-based method for dense-mesh problems

Raucy, Christopher;Craeye, Christophe
(2017) ICEAA 2017 Conference — Location: Verona, Italy (11.September.2017)

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Fast methods for the evaluation of the EFIE operator at a given current distribution undergo some difficulties at low frequency. In particular,it is well known that the MLFMA at low frequency undergoes a breakdown due to the translation operator that becomes unstable. In this paper, an innovative method that provides a fast way to calculate the evaluation of the EFIE operator at a given current distribution and for low-frequency problem is presented. It is based on local Taylor approximation of the Green’s function coupled with one-time (once and for all geometry) SVD compression technique.
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Raucy, C., & Craeye, C. (2017). A kernel-based method for dense-mesh problems. Proceedings of the ICEAA 2017 Conference, p. 5 pages. https://doi.org/10.1109/ICEAA.2017.8065608