Linear-linear basis functions for MLFMA solutions of magnetic-field and combined-field integral equations

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2007-04-01

Author

Ergül, Özgür Salih
Gurel, Levent

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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

Citation Formats

Ö. S. Ergül and L. Gurel, “Linear-linear basis functions for MLFMA solutions of magnetic-field and combined-field integral equations,” IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 55, no. 4, pp. 1103–1110, 2007, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/42649.