Title :
An iterative FEM for scattering by a 3-D cavity-backed aperture
Author :
Park, Jongkuk ; Lee, Jungwon ; Chae, Heeduck ; Nam, Sangwook
Author_Institution :
Dept. of Electr. Eng., Seoul Nat. Univ., South Korea
fDate :
11/1/2001 12:00:00 AM
Abstract :
A finite-element method (FEM)-based hybrid method (or iterative FEM) is successfully applied to a three-dimensional (3-D) scattering problem without the effect of internal resonance. With only a small number of meshes around a 3-D scatterer, this FEM is shown to give an accurate result through several iterative updates of the boundary conditions. To confirm the efficiency of this method, scattering from a 3-D cavity-backed aperture is analyzed and the results obtained are compared with the same obtained by another conventional method
Keywords :
electromagnetic wave scattering; finite element analysis; iterative methods; boundary conditions; electromagnetic wave scattering; hybrid method; iterative finite element method; three-dimensional cavity-backed aperture; Apertures; Boundary conditions; Computational modeling; Electromagnetic scattering; Finite element methods; H infinity control; Helium; Integral equations; Iterative methods; Resonance;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
