Hybrid MoM Approaches for High Fidelity and Effective Modeling in Large Antenna Farm and Scattering Problems

Konferenz: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
23.03.2009 - 27.03.2009 in Berlin, Germany

Tagungsband: EuCAP 2009

Seiten: 4Sprache: EnglischTyp: PDF

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Bercigli, M.; Vita, P. De; Guidi, R.; Bandinelli, M. (IDS Ingegneria Dei Sistemi S.p.A, Via Livornese 1019, 56010 Pisa, Italy)
Vipiana, F.; Vecchi, G. (LACE, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy)
Mori, A.; Freni, A. (Università di Firenze, Via Santa Marta 3, 50100 Firenze, Italy)

The keyword in the actual panorama of large antenna farm and scattering problems modelling is “accuracy” or, in other words, the concept of “high fidelity modelling”, the only way to cut development and/or prototyping costs. The Integral Equation (IE) approach is typically used to manage antenna problems where the accuracy is a basic requirement, through the Method of Moment (IE-MoM) approach. It is well known, however, that standard MoM techniques are severely limited by the required computational efforts and condition numbers involved in the very electrically large and multi-scale problems usually of interest. In this communication the results of the application of Multiresolution (MR) as physical based pre-conditioner on real-life large and multi-scale geometries in combinations whit MLFMA are presented.