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In this letter, an unconditionally stable finite-difference time-domain(FDTD) scheme based on weighted Laguerre polynomials(WLP) for solving cylindrical structures is proposed. The validity of the proposed formulations is shown through a numerical example of radiating in cylindrical coordinates.
In this paper, a perfectly matched layer (PML) implementation for an unconditionally stable finite-difference time-domain scheme based on weighted Laguerre polynomials(WLP-FDTD) in cylindrical coordinates is presented. A numerical example is introduced to validate the proposed formulations.
An unconditionally stable numerical method combined with R-FDTD for the scattering problems is proposed. The marching-on in time method as in the FDTD scheme is replaced by a marching-on in order method based on weighted Laguerre polynomials. The divergence relationship is also used in the proposed method, which leads to a more memory efficient formulation. To verify the accuracy and the efficiency...
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