## Abstract The first order impedance boundary condition (the first order ABC) is combined with the perfectly matched layer (PML) for the time‐domain finite‐element (TDFE) simulation of waveguide problems. The formulation is validated by the numerical simulations of waveguide problems. Numerical re
Assessment of the performances of first- and second-order time-domain ABC's for the truncation of finite element grids
✍ Scribed by Salvatore Caorsi; Gaia Cevini
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 153 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
In this paper we investigate the performances of first‐ and second‐order time‐domain absorbing boundary conditions (ABCs) when introduced in a finite‐element algorithm to solve electromagnetic scattering problems. Attention is focused on the analysis of the ABC's absorbing characteristics when different geometries are considered for the truncation of the computational domain. Numerical results will be given by considering, as a first analysis, two‐dimensional scattering problems. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 38: 11–16, 2003
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