A Convolution-Free Mixed Finite-Element Time-Domain Method for General Nonlinear Dispersive Media

IEEE Transactions on Antennas and Propagation(2019)

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摘要
In this paper, a mixed finite-element time-domain (FETD) method is presented for the simulation of electrically complex materials, including general combinations of linear dispersion, instantaneous nonlinearity, and dispersive nonlinearity. Using both edge and face elements, the presented method offers greater geometric flexibility than existing finite-difference time-domain (FDTD) implementations...
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关键词
Time-domain analysis,Dispersion,Finite element analysis,Finite difference methods,Mathematical model,Permittivity,Antennas
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