Stability Analysis of Discontinuous Galerkin Time-Domain Method for Conductive Media

Mehmet Burak Özakin, Liang Chen, Shehab Ahmed, Hakan Bagci

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

Abstract

In this study, the effect of conductivity on the stability of the discontinuous Galerkin time-domain (DGTD) method, which uses Runge-Kutta (RK) or leap-frog (LF) (time-averaging, time-forward, and time-backward) schemes to integrate the Maxwell equations in time, is studied. As a test case, transient reflection from one-dimensional conductive half-space, for which the analytical solution exists, is considered. Numerical results demonstrate that the LF-DGTD schemes, which use time-averaging and time-forward, are significantly more stable and faster than the RK-DGTD scheme for problems involving conductive materials.
Original languageEnglish (US)
Title of host publication2021 International Applied Computational Electromagnetics Society Symposium (ACES)
PublisherIEEE
ISBN (Print)978-1-6654-3447-8
DOIs
StatePublished - 2021

Bibliographical note

KAUST Repository Item: Exported on 2021-09-16

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Electrical and Electronic Engineering

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