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Optimization-based synthesis of a metamaterial electric cloak using nonhomogeneous composite materials

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  • Adam Steckiewicz
  • Agnieszka Choroszucho

Abstract

In the paper the synthesis of an electric cloak is discussed. The nonhomogeneous composite material was proposed as a realization of a stationary electric field metamaterial with anisotropic properties necessary for cloaking objects. The particle swarm optimization (PSO) method was applied for the synthesis of nonhomogeneous material composed of periodically arranged unit cells. Anisotropic properties of metamaterial were achieved by adjusting the internal geometry of a porous unit cell structure. Proposed elements have a wide range of effective electrical conductivities in orthogonal directions of an external static electric field. Optimization scheme was applied to design the required unit cell structure, defined by four geometrical parameters modified and adjusted by the PSO. The numerical models of the conductive background, non-conductive object and several types of cloaks were investigated. The results obtained by The Finite element method (FEM) were characterized with respect to theoretical values of the required conductivities and cloaking effectiveness.

Suggested Citation

  • Adam Steckiewicz & Agnieszka Choroszucho, 2019. "Optimization-based synthesis of a metamaterial electric cloak using nonhomogeneous composite materials," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 33(14), pages 1933-1941, September.
    • Handle: RePEc:taf:tewaxx:v:33:y:2019:i:14:p:1933-1941
    DOI: 10.1080/09205071.2019.1654928
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    Cited by:

    1. Jacek Maciej Stankiewicz, 2023. "Evaluation of the Influence of the Load Resistance on Power and Efficiency in the Square and Circular Periodic WPT Systems," Energies, MDPI, vol. 16(7), pages 1-19, March.
    2. Jacek Maciej Stankiewicz, 2023. "Estimation of the Influence of the Coil Resistance on the Power and Efficiency of the WPT System," Energies, MDPI, vol. 16(17), pages 1-22, August.

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