Title :
Efficient Expression of Electromagnetic Fields of Lightning Return Stroke Current
Author :
Wu, Qun ; Jiang, Bin-Hao
Author_Institution :
Dept. of Electron. & Commun. Eng., Harbin Inst. of Technol.
Abstract :
By using the residue theorem and exact image method, an efficient expression is derived for the electromagnetic fields of the lightning return stroke current. Sommerfeld-type integrals contained in the field are expressed as the exponential decay surface wave (the pole contributions of the integrand) and the rapidly convergent integrals which can be interpreted as a distributed image source in the complex plane
Keywords :
electromagnetic fields; electromagnetic interference; electromagnetic waves; integral equations; lightning; Sommerfeld-type integrals; complex plane; distributed image source; electromagnetic fields; exponential decay surface wave; image method; lightning return stroke current; residue theorem; Convergence of numerical methods; Electromagnetic compatibility; Electromagnetic fields; Electromagnetic modeling; Frequency domain analysis; Image converters; Lightning; Surface waves; Transmission line theory;
Conference_Titel :
Electromagnetic Field Computation, 2006 12th Biennial IEEE Conference on
Conference_Location :
Miami, FL
Print_ISBN :
1-4244-0320-0
DOI :
10.1109/CEFC-06.2006.1633056
