Edge-based finite elements and vector ABCs applied to 3-D scattering

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 aw...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 1993-02, Vol.41 (2), p.221-226
Main Authors: Chatterjee, A., Jin, J.M., Volakis, J.L.
Format: Article
Language:English
Subjects:
Applied sciences
Boundary conditions
Boundary element methods
Differential equations
Diffraction, scattering, reflection
Electromagnetic scattering
Exact sciences and technology
Finite element methods
Geometry
Impedance
Lead
Radar scattering
Radiocommunications
Radiowave propagation
Sheet materials
Telecommunications
Telecommunications and information theory
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Summary: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.< >
ISSN:0018-926X
1558-2221
DOI:10.1109/8.214614