Finite-Element Modeling of Metasurfaces with Generalized Sheet Transition Conditions

Srikumar Sandeep, Jian Ming Jin, Christophe Caloz

Research output: Contribution to journalArticle

Abstract

A modeling of metasurfaces in the finite-element method (FEM) based on generalized sheet transition conditions (GSTCs) is presented. The discontinuities in electromagnetic fields across a metasurface as represented by the GSTC are modeled by assigning nodes to both the sides of the metasurface. The FEM-GSTC formulation in both 1-D and 2-D domains is derived and implemented. The method is extended to handle more general bianistroptic metasurfaces. The formulations are validated by several illustrative examples.

Original languageEnglish (US)
Article number7874182
Pages (from-to)2413-2420
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Volume65
Issue number5
DOIs
StatePublished - May 2017

Keywords

  • Bianisotropy
  • boundary condition
  • electromagnetic discontinuity
  • finite-element method (FEM)
  • generalized sheet transition condition (GSTC)
  • metasurface
  • susceptibility

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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