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A_Fast_Converging_Resonance-free_Global_Multi-trace_Method_for_Scattering_by_Partially_Coated_Composite_Structures.pdf (912.14 kB)

A fast converging resonance-free global multi-trace method for scattering by partially coated composite structures

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journal contribution
posted on 2022-07-11, 10:02 authored by SO Lasisi, TM Benson, G Gradoni, Mark GreenawayMark Greenaway, K Cools

Global and local multi-trace formulations provide a flexible and efficient method for the modelling of scattering and transmission of time harmonic electromagnetic waves by composite structures. This contribution extends the domain of applicability of global multi-trace formulations to cases where penetrable domains, perfectly conducting domain, and perfectly conducting thin sheets are all part of the design. A novel and easy to implement resonance free equation to model scattering by perfect conductors is introduced. A Calderón preconditioner designed to limit the number of iterations required for the solution of the discrete system is designed and studied. The accuracy, flexibility, and efficiency of the method is demonstrated on a representative range of examples.

Funding

Modelling Solid-State Sources of GHz-THz Electromagnetic Radiation

Engineering and Physical Sciences Research Council

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March-on-in-Time: Boundary Element Time-Domain Domain Decomposition Methods

European Research Council

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History

School

  • Science

Department

  • Physics

Published in

IEEE Transactions on Antennas and Propagation

Volume

70

Issue

10

Pages

9534 - 9543

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Version

  • AM (Accepted Manuscript)

Rights holder

© IEEE

Publisher statement

© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Acceptance date

2022-05-20

Publication date

2022-07-07

Copyright date

2022

ISSN

0018-926X

eISSN

1558-2221

Language

  • en

Depositor

Dr Mark Greenaway. Deposit date: 11 July 2022

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