Implementation of Kriging surrogate model of a meta-particle

Joseph A. Haun; Mohamed A. Salem

doi:10.1117/12.2567142

20 August 2020 Implementation of Kriging surrogate model of a meta-particle

Joseph A. Haun, Mohamed A. Salem

Proceedings Volume 11460, Metamaterials, Metadevices, and Metasystems 2020; 1146025 (2020) https://doi.org/10.1117/12.2567142
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Conference Poster

Abstract

Meta-particles are electromagnetically small scattering particles employed in the design of metasurfaces and metamaterial antennas. The process of designing meta-particles is conventionally iterative, where full-wave simulations of the meta-particle are performed while systematically changing the geometric parameters, and sometimes the material properties, of the particle. Such iterative approaches are generally resource intensive and time consuming, hence a surrogate model based approach may potentially save significant resources and time during the meta-particle design phase. In this work, we demonstrate employing two different surrogate models to estimate the scattering behavior of a “dogbone” meta-particle, namely Kriging and inverse distance. Results show that the Kriging model outperforms the inverse distance model and is capable of achieving very good approximation compared to full-wave simulation, even with a small number of design space sample points.

Conference Presentation

Citation Download Citation

Joseph A. Haun and Mohamed A. Salem "Implementation of Kriging surrogate model of a meta-particle", Proc. SPIE 11460, Metamaterials, Metadevices, and Metasystems 2020, 1146025 (20 August 2020); https://doi.org/10.1117/12.2567142

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