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On the accuracy of different boundary integral formulations for dielectric bodies using RWG and BC functions

: Ven, H. van der; Liontas, C.A.; Cools, K.; Heul, D.R. van der


Institute of Electrical and Electronics Engineers -IEEE-:
10th European Conference on Antennas and Propagation, EuCAP 2016. Proceedings : Took place 10-15 April 2016 in Davos, Switzerland
Piscataway, NJ: IEEE, 2016
ISBN: 978-88-907018-6-3
ISBN: 978-1-5090-2234-2
European Conference on Antennas and Propagation (EuCAP) <10, 2016, Davos>
Fraunhofer FHR ()

Different formulations of the boundary integral method for dielectric bodies are evaluated on their accuracy. The formulations apply RWG and/or BC functions both as basis functions and as test functions. A systematic evaluation, measuring the order of accuracy of the different formulations, is performed for low-contrast test cases. The conclusion is that for low-contrast dielectric bodies, the CTF and Müller formulation (tested with BC functions) provide the best choice.