2009•Unpublished venueRequires access

Application of grid-cell combination in 2D-FDTD modeling of ELF propagation and Schumann resonances of the earth

Hangang Xia, Yi Wang, Qunsheng Cao

Abstract

In this paper, we have introduced a basic two-dimensional finite difference time-domain (2D-FDTD) method with TM and TE modes, and developed a model of antipodal extremely low frequency (ELF) wave propagation on the Schumann resonances (SR) of the earth. We have used an advanced algorithm, which is combining the grid-cells approaching to the certain pole points, and have improved the numerical stability and efficiency compared with those of the original basic algorithm.

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Key concepts: Finite-difference time-domain method, Schumann resonances, Antipodal point, Grid, Finite difference method, Stability (learning theory), Wave propagation, Computational physics