Abstract
In this paper we develop a finite element method for acoustic wave propagation in Drude-type metamaterials. The governing equation is written as a symmetrizable hyperbolic system with auxiliary variables. The standard mixed finite elements and discontinuous finite elements are used for spatial discretization, and the Crank–Nicolson scheme is used for time discretization. The a priori error analysis of fully discrete scheme is carried out in details. Numerical experiments illustrating the theoretical results and metamaterial wave propagation, are included.
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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Lee, J.J. A Mixed Method for Time-Transient Acoustic Wave Propagation in Metamaterials. J Sci Comput 84, 20 (2020). https://doi.org/10.1007/s10915-020-01275-0
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DOI: https://doi.org/10.1007/s10915-020-01275-0