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Linear-linear basis functions for MLFMA solutions of magnetic-field and combined-field integral equations
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Date
2007-04-01
Author
Ergül, Özgür Salih
Gurel, Levent
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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We present the linear-linear (LL) basis functions to improve the accuracy of the magnetic-field integral equation (MFIE) and the combined-field integral equation (CFIE) for three-dimensional electromagnetic scattering problems involving closed conductors. We consider the solutions of relatively large scattering problems by employing the multilevel fast multipole algorithm. Accuracy problems of MFIE and CFIE arising from their implementations with the conventional Rao-Wilton-Glisson (RWG) basis functions can be mitigated by using the LL functions for discretization. This is achieved without increasing the computational requirements and with only minor modifications in the existing codes based on the RWG functions.
Subject Keywords
Basis Functions
,
Combined-Field Integral Equation
,
Magnetic-Field Integral Equation
,
Multilevel Fast Multipole Algorithm
URI
https://hdl.handle.net/11511/42649
Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
DOI
https://doi.org/10.1109/tap.2007.893393
Collections
Department of Electrical and Electronics Engineering, Article