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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2018-10-23
Using Homogeneous Equivalent Parameters in Finite Element Models of Curved Metamaterial Structures
By
Richard Mattish,

    Dr. Richard Mattish

    Department of Physics and Chemistry

    Bob Jones University

    USA

    Homepage

Fabio Alves,
Dragoslav Grbovic

    Dr. Dragoslav Grbovic

    Department of Physics

    Naval Postgraduate School

    USA

    Homepage

Progress In Electromagnetics Research Letters, Vol. 79, 103-108, 2018
doi:10.2528/PIERL18070302 | Google Scholar

Abstract
We report on the experimental verification of the employment of equivalent parameters in a 2D finite element model to describe absorptivity of curve-shaped, large-scale metamaterial structures. Equivalent homogeneous optical parameters were retrieved from experimental measurements of flat metamaterial sheets with square resonators of 8 and 9 mm and used in a 2D FE model to obtain the absorptivity of curved structures with similar metamaterial unit cells. The curved structures were experimentally characterized and showed good agreement with the model. The tremendous simplification made possible by simulating complex structures as homogeneous materials makes the method very attractive for designing large-scale electromagnetic shields and absorbers.
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Citation
Richard Mattish, Fabio Alves, and Dragoslav Grbovic, "Using Homogeneous Equivalent Parameters in Finite Element Models of Curved Metamaterial Structures," Progress In Electromagnetics Research Letters, Vol. 79, 103-108, 2018.
doi:10.2528/PIERL18070302
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