Sparse grid of metal strips description implemented into finite element formulation

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The contribution deals with the implementation of a sparse wire grid model into a standard FEM-formulation using the potentials A and v. Taking advantage of the periodicity of a regular grid structure its electromagnetic behaviour can be described with spatial harmonics. The summation of the harmonics over all wires may be solved thanks to the Hankel function. Expressions for the tangentials of the magnetic field around the grid structure allow an implementation into the weak form of the A, v-formulation by manipulating the Neumann boundary condition term. Hence this lapses a finite element meshing of the grid itself. Reflection and deflection behaviour on a grid structure illuminated by a plane wave impinging under variant incidence angles will be investigated.

Original languageEnglish
Title of host publicationIEEE CEFC 2016 - 17th Biennial Conference on Electromagnetic Field Computation
PublisherInstitute of Electrical and Electronics Engineers
ISBN (Electronic)9781509010325
DOIs
Publication statusPublished - 13 Nov 2016
Event17th Biennial IEEE Conference on Electromagnetic Field Computation, IEEE CEFC 2016 - Miami, United States
Duration: 13 Nov 201616 Nov 2016

Conference

Conference17th Biennial IEEE Conference on Electromagnetic Field Computation, IEEE CEFC 2016
CountryUnited States
CityMiami
Period13/11/1616/11/16

Keywords

  • Finite element formulation
  • Higher order boundary condition
  • Periodical structures
  • Sparse wire grids

ASJC Scopus subject areas

  • Computational Mathematics
  • Instrumentation
  • Electrical and Electronic Engineering

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