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Impedance calculation of complex surfaces-wire structures with multilevel fast multipole algorithm and variational formulation

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4 Author(s)
Hsueh-Yung Chao ; Center for Comput. Electromagn., Illinois Univ., Urbana, IL, USA ; Weng Cho Chew ; Jiming Song ; Michielssen, E.

The multilevel fast multipole algorithm (MLFMA) has a great advantage in analysing the radiation and scattering of complex surfaces with wire attachment. It has a computational complexity of O(NlogN) for a matrix-vector product, which is much lower than the complexity of the traditional full-matrix method in the method of moments (MOM). The low complexity of the MLFMA is especially favorable for fast impedance calculation over a sweep of frequencies for large complex structures. This paper discusses the MLFMA for analyzing surface-wire interconnects. A variational formulation for calculating the input impedance is presented. Measured data and numerical simulation are used to validate the algorithm and the formulation.

Published in:

Antennas and Propagation Society International Symposium, 1999. IEEE  (Volume:3 )

Date of Conference:

11-16 July 1999