Analysis and Application of an Equivalent Berenger's PML Model
Journal of Computational and Applied Mathematics
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The perfectly matched layer (PML) is a technique initially proposed by Bérenger for solving unbounded electromagnetic problems with the finite-difference time-domain method. In this work, we first formulate an equivalent PML model from the original Bérenger PML model in the corner region, and then establish its stability. We further develop a discontinuous Galerkin method to solve this PML model, and discrete stability similar to the continuous case is proved. To demonstrate the absorbing property of this PML model, we apply it to simulate wave propagation in metamaterials.
Maxwell's equations; Perfectly matched layer; Discontinuous Galerkin method; Metamaterials; Wave propagation
Analysis and Application of an Equivalent Berenger's PML Model.
Journal of Computational and Applied Mathematics, 333