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An unconditionally stable wave equation PML algorithm for truncating FDTD simulation
Author(s) -
Liang Feng,
Lin Hai,
Wang Gaofeng
Publication year - 2009
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.24233
Subject(s) - finite difference time domain method , perfectly matched layer , laguerre polynomials , stability (learning theory) , wave equation , microwave , algorithm , boundary value problem , finite difference method , mathematics , computer science , mathematical analysis , physics , telecommunications , optics , machine learning
An unconditionally stable (US) wave equation (WE) perfectly matched layer (PML) absorbing boundary condition is implemented for two‐dimensional (2‐D) open region finite‐difference time‐domain (FDTD) simulation by virtue of weighted Laguerre polynomial expansion. This novel PML preserves unconditional stability as well as comparative accuracy to the original wave equation PML (WEPML). Numerical examples are included to verify high accuracy and efficiency of the proposed algorithm. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1028–1032, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24233