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In this communication, the recursive convolutional complex frequency shifted perfectly matched layer (CFS-PML) absorbing boundary condition (ABC) is developed for the wave-equation-based meshless method. The numerical results show that the proposed CFS-PML can achieve an excellent absorption performance with the reflections less than -52.5 dB when the six layers of the PML are applied, and less than -57.3 dB when ten layers of the PML are applied (including operations with evanescent waves). The impacts of the CFS-PML parameters, shape parameter, and different node distribution types are also investigated. Such performances allow the use of the wave-equation-based meshless method for solving open problems.
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IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
ISSN: 0018-926X
Year: 2021
Issue: 6
Volume: 69
Page: 3599-3604
4 . 8 2 4
JCR@2021
4 . 6 0 0
JCR@2023
ESI Discipline: ENGINEERING;
ESI HC Threshold:105
JCR Journal Grade:1
CAS Journal Grade:2
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