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http://hdl.handle.net/10071/10525
acessibilidade
Title: A Monte Carlo method for solving the one-dimensional telegraph equations with boundary conditions
Authors: Acebron, J. A.
Ribeiro, M. A.
Keywords: Finite-difference time domain (FDTD)
Monte Carlo methods
Telegrapher's equation
Issue Date: 2016
Publisher: Academic Press/Elsevier
Abstract: A Monte Carlo algorithm is derived to solve the one-dimensional telegraph equations in a bounded domain subject to resistive and non-resistive boundary conditions. The proposed numerical scheme is more efficient than the classical Kac's theory because it does not require the discretization of time. The algorithm has been validated by comparing the results obtained with theory and the Finite-difference time domain (FDTD) method for a typical two-wire transmission line terminated at both ends with general boundary conditions. We have also tested transmission line heterogeneities to account for wave propagation in multiple media. The algorithm is inherently parallel, since it is based on Monte Carlo simulations, and does not suffer from the numerical dispersion and dissipation issues that arise in finite difference-based numerical schemes on a lossy medium. This allowed us to develop an efficient numerical method, capable of outperforming the classical FDTD method for large scale problems and high frequency signals.
Peer reviewed: yes
URI: http://hdl.handle.net/10071/10525
DOI: 10.1016/j.jcp.2015.10.027
ISSN: 0021-9991
Ciência-IUL: https://ciencia.iscte-iul.pt/id/ci-pub-25246
Accession number: WOS:000366156600002
Appears in Collections:IT-RI - Artigo em revista internacional com arbitragem científica

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