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Study of the CPML for the Three‐Dimensional Five‐Step LOD‐FDTD method
Author(s) -
Feng Xuejian,
Yang Lixia
Publication year - 2017
Publication title -
international journal of numerical modelling: electronic networks, devices and fields
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.249
H-Index - 30
eISSN - 1099-1204
pISSN - 0894-3370
DOI - 10.1002/jnm.2244
Subject(s) - finite difference time domain method , perfectly matched layer , convolution (computer science) , mathematics , finite difference method , mathematical analysis , boundary value problem , field (mathematics) , domain (mathematical analysis) , physics , computer science , optics , pure mathematics , machine learning , artificial neural network
Abstract In this paper, the convolution perfectly matched layer (CPML) absorbing boundary conditions (ABC) in five‐step locally one‐dimensional finite‐difference time‐domain (LOD5‐FDTD) method are deduced. The formulation of the LOD5‐FDTD is derived and numerical results are demonstrated for different Courant Friedrich Levy numbers (CFL) in the simulation domain in the test. Then, using a sinusoidal source, the field phase distribution surrounded by the CPML‐ABC is calculated. The results of these simulation experiments illustrate that the CPML‐ABC can be used efficiently in the LOD5‐FDTD method.