Title :
Edge-based finite elements and vector ABCs applied to 3-D scattering
Author :
Chatterjee, A. ; Jin, J.M. ; Volakis, J.L.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA
fDate :
2/1/1993 12:00:00 AM
Abstract :
An edge-based finite element formulation with vector absorbing boundary conditions is presented for scattering by composite structures having boundaries satisfying impedance and/or transition conditions. Remarkably accurate results are obtained by placing the mesh a small fraction of a wavelength away from the scatterer
Keywords :
boundary-value problems; electromagnetic wave scattering; finite element analysis; 3-D scattering; composite structures; edge-based finite element formulation; electromagnetic scattering; impedance boundary conditions; mesh; transition boundary conditions; vector absorbing boundary conditions; Boundary conditions; Boundary element methods; Differential equations; Electromagnetic scattering; Finite element methods; Geometry; Impedance; Lead; Radar scattering; Sheet materials;
Journal_Title :
Antennas and Propagation, IEEE Transactions on