FE-BI-MLFMA combined with FETI for accurate and fast computation of scattering by large-scale finite array structure

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Abstract

To effectively solve the electromagnetic scattering problem of large-scale finite array structure, a non-overlapping domain decomposition method(DDM), the dual-primal finite element tearing and interconnecting method(FETI-DP), is applied to the hybrid finite element-boundary integral-multilevel fast multipole algorithm method(FE-BI-MLFMA). The formula of near scattering field is deduced by equivalent electric and magnetic current. Then, the Generalized Radar Cross Section (GRCS) in near scattering region is calculated by the near scattering field. The numerical performance of the proposed method is demonstrated by calculating a patch antenna array's scattering.

Original languageEnglish
Title of host publicationISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation
Pages192-195
Number of pages4
Publication statusPublished - 2013
Event2013 International Symposium on Antennas and Propagation, ISAP 2013 - Nanjing, China
Duration: 23 Oct 201325 Oct 2013

Publication series

NameISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation
Volume1

Conference

Conference2013 International Symposium on Antennas and Propagation, ISAP 2013
Country/TerritoryChina
CityNanjing
Period23/10/1325/10/13

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Gao, H. W., Gong, L., Yang, M. L., & Sheng, X. Q. (2013). FE-BI-MLFMA combined with FETI for accurate and fast computation of scattering by large-scale finite array structure. In ISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation (pp. 192-195). Article 6717409 (ISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation; Vol. 1).