Modular DGTD Implementation for Doubly Dispersive Media With Curvilinear Elements

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Abstract
We present a novel modular implementation of the DGTD method to effectively address electromagnetic problems involving general doubly dispersive media. This approach includes an extended perfectly matched layer to directly truncate doubly dispersive materials, allowing for the modeling of open domains. The proposed modular and concise DGTD implementation, based on the complex-conjugate pole-residue model, offers flexibility and simplifies the handling of complex doubly dispersive medium problems with curvilinear boundaries. We apply the formulation to two-dimensional scattering problems, demonstrating very good agreement with their respective analytical solutions.
Funding Information
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico
  • CAPES-PROEX, Brazil

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