Evaluation Of Lightning Electromagnetic
Fields Over A Lossy Ground
Author(s)
F. Delfino, R. Procopio & M. Rossi
Abstract
We present a new method for evaluating the electromagnetic field created by a
lightning discharge under the assumption of a finite conductivity ground. In this
case the expressions for the vertical and radial components of the electric field
and for the azimuthal component of the magnetic one involve the so-called
Sommerfeld integrals, which require a huge computational effort due to their
characteristics of slow convergence. From a mathematical standpoint the
Sommerfeld’s integrals are improper integrals (i.e. over a semi-infinite domain
0
Keywords
wave propagation, lightning electromagnetic field, Sommerfeld
integrals, numerical techniques
Related Book
Other papers in this volume
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