https://doi.org/10.1051/epjam/2023003
Research article
Electromagnetic cloak design with mono-objective and bi-objective optimizers: seeking the best tradeoff between protection and invisibility
1
Aix Marseille Univ, CNRS, Centrale Med, Institut Fresnel, Marseille, France
2
UMI 2004 Abraham de Moivre-CNRS, Imperial College London, SW7 2AZ, London, UK
3
The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, UK
* e-mail: ronald.aznavourian@fresnel.fr
Received:
20
July
2023
Accepted:
27
November
2023
Published online: 3 May 2024
We revisit the design of cloaks, without resorting to any geometric transform. Cancellation techniques and anomalous resonances have been applied for this purpose. Instead of a deductive reasoning, we propose a novel mono-objective optimization algorithm, namely a ternary grey wolf algorithm, and we adapt a bi-objective optimization algorithm. Firstly, the proposed chaotic ternary grey wolf algorithm searches three-valued spaces for all permittivity values in the cloak while minimizing the summation of a protection criterion and an invisibility criterion. Secondly, a bi-objective genetic algorithm is adapted to find pairs of optimal values of invisibility and protection.
Key words: Mono-objective optimization / bi-objective optimization / cloak design / protection / invisibility
© R. Aznavourian et al., Published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
