Abstract
In this paper, we consider the electromagnetic concentrator model obtained through transformation optics. This model is formed by a system of coupled time-dependent Maxwell’s equations with three unknowns, which makes the analysis and simulation much more challenging compared to the standard Maxwell equations. In our previous work (W. Yang, J. Li, Y. Huang, and B. He, Commun. Comput. Phys., 25(1), pp. 135–154, 2019), we proposed a finite element time-domain (FETD) method with edge elements for solving this model efficiently without any theoretical analysis. Here, we provide a rigorous analysis for the mathematical modelling equations and the FETD method proposed there.
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Acknowledgments
We are very grateful to two anonymous referees for their insightful comments which improved our paper.
Funding
This work was partially supported by NSFC projects 11971410, and National Science Foundation under Grant No. DMS-20-11943.
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Communicated by: Jan Hesthaven
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Huang, Y., Li, J. Numerical analysis of a finite element method for the electromagnetic concentrator model. Adv Comput Math 46, 77 (2020). https://doi.org/10.1007/s10444-020-09817-8
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DOI: https://doi.org/10.1007/s10444-020-09817-8