Tridiagonalized WLP-FDTD Implementation for Wave Propagation in Magnetized Plasma

We present an efficient implementation of the unconditionally stable finite-difference time-domain (FDTD) algorithm based on the weighted Laguerre polynomials (WLPs) for the modeling of wave propagation in magnetized plasmas. The sparse matrix equation is tri-diagonalized by using a factorization-sp...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2016-05, Vol.26 (5), p.304-306
Main Authors: Zhang, Jin-Sheng, Xi, Xiao-Li, Li, Zheng-Wei, Liu, Jiang-fan
Format: Article
Language:English
Subjects:
Algorithms
Anisotropic
Finite difference method
Finite difference methods
Finite difference time domain method
finite-difference time-domain
Magnetic domains
magnetized plasma
Mathematical analysis
Mathematical model
Mathematical models
Microwaves
Plasmas
Polynomials
Sparse matrices
Time-domain analysis
Wave propagation
weighted Laguerre polynomials
Wireless communication
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Summary:We present an efficient implementation of the unconditionally stable finite-difference time-domain (FDTD) algorithm based on the weighted Laguerre polynomials (WLPs) for the modeling of wave propagation in magnetized plasmas. The sparse matrix equation is tri-diagonalized by using a factorization-splitting (FS) scheme, leading to a significant reduction in computational time. The algorithm is validated by numerical experiments.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2016.2548464