Title :
Scattering in a circular cylinder with periodic boundary conditions
Author :
Smith, M. ; Herrmann, G.F.
Author_Institution :
Arete Associates, Sherman Oaks, CA, USA
Abstract :
Scattering from an infinite circular cylinder is investigated using a method of computation which is a direct extension of the Mie series approach to the problem of the uniform cylinder. This approach results in a second-order recurrence relation among the series coefficients, for the solution of which two methods are used. These are an iteratively applied regular perturbation expansion relative to the parameter alpha , and a Miller-type recursive algorithm which is applied from both ends of the recurrence toward the middle. Results obtained using this methodology are presented. In particular, it is shown that scattering from a capacitive surface is dominated by the presence of Elliot-type creeping waves where mod Z/sub B/ mod is small.<>
Keywords :
electromagnetic wave scattering; Elliot-type creeping waves; Mie series approach; Miller-type recursive algorithm; capacitive surface; electromagnetic scattering; infinite circular cylinder; iterative method; regular perturbation expansion; second-order recurrence relation; series coefficients; Boundary conditions; Electromagnetic scattering; Laboratories; Mie scattering; Optical scattering; Optical surface waves; Partial differential equations; Periodic structures; Surface impedance; Surface waves;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1990. AP-S. Merging Technologies for the 90's. Digest.
Conference_Location :
Dallas, TX, USA
DOI :
10.1109/APS.1990.115249