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Scattering at open perfectly electrically conducting objects using calderón preconditioning and fast multipole methods

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2 Author(s)
Joris Peeters ; Department of Information Technology, Ghent University, Sint-Pietersnieuwstraat 41, 9000, Belgium ; Femke Olyslager

Calderon preconditioning is very succesful in stabilising the EFIE and the use of BC functions makes the formalism valid on open surfaces. Through applying a broadband fast multipole method, the complexity can be reduced from O (N2) to O(N log N), allowing the simulation of very large structures. In the high frequency case a localised version of the preconditioner must be used to avoid excessive scattering of the eigenvalues of the combined operator.

Published in:

2009 IEEE Antennas and Propagation Society International Symposium

Date of Conference:

1-5 June 2009