DocumentCode :
3539536
Title :
A well-conditioned combined field integral equation based on quasi-helmholtz projectors
Author :
Andriulli, Francesco P. ; Bogaert, Ignace ; Cools, Kristof ; Michielssen, Eric
fYear :
2013
fDate :
9-13 Sept. 2013
Firstpage :
644
Lastpage :
647
Abstract :
We introduce a novel combined field integral equation that does not suffer from internal resonances and solves several drawbacks of existing resonance-free formulations. The new equation is obtained by combining a regularized electric type operator with a new magnetic type operator that exhibits uniform frequency scaling when acting on, or being tested within, the harmonic Helmholtz subspace for surface currents. With an appropriate use of quasi-Helmholtz projectors, the equation is stable for arbitrarily low-frequencies. Numerical results confirm the theoretical developments and show the effectiveness of the scheme.
Keywords :
electric field integral equations; electromagnetic field theory; electromagnetic wave scattering; arbitrarily low-frequencies; frequency scaling; harmonic Helmholtz subspace; internal resonances; magnetic type operator; perfect electrically conducting objects; quasi-Helmholtz projectors; radiation; regularized electric type operator; resonance-free formulations; scattering; surface currents; theoretical developments; well-conditioned combined field integral equation; Equations; Harmonic analysis; Integral equations; Magnetic resonance; Mathematical model; Standards;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electromagnetics in Advanced Applications (ICEAA), 2013 International Conference on
Conference_Location :
Torino
Print_ISBN :
978-1-4673-5705-0
Type :
conf
DOI :
10.1109/ICEAA.2013.6632323
Filename :
6632323
Link To Document :
بازگشت