Title :
Efficient Evaluation of Singular Integrals in Moment Methods Applied to Solve Scattering Problems from Bodies of Revolution
Author :
Resende, U.C. ; Moreira, F.J.S. ; Pereira-Filho, O.M.C. ; Vasconcelos, J.A. ; Schettino, D.N.
Author_Institution :
Dept. of Electron. Eng., Minas Gerais Fed Univ., Belo Horizonte
Abstract :
This work proposes an efficient procedure for evaluating singular integrals arising in the moment method analysis of scattering from bodies of revolution. Perfect electric conductor, dielectric and composite bodies with different electrical sizes and different relative permittivities are analyzed by the CFIE, Muller and PMCHWT integral equation, respectively. It is demonstrated that an efficient singularity removal reduces the number of basis functions necessary to represent the equivalent current distributions
Keywords :
composite materials; conductors (electric); current distribution; dielectric bodies; electromagnetic wave scattering; integral equations; method of moments; permittivity; composite bodies; dielectric bodies; electric conductor; equivalent current distributions; moment method analysis; relative permittivities; revolution bodies; scattering problems; singular integral equation; Antennas and propagation; Conductors; Dielectrics; Electromagnetic propagation; Electromagnetic scattering; Impedance; Moment methods;
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-06.2006.1633000
