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Title: On the numerical errors in the 2-D FE/FDTD algorithm for different hybridization schemes
Authors: Venkatarayalu, N.V. 
Beng, G.Y. 
Li, L.-W. 
Keywords: Finite-Difference Time-Domain (FE/FDTD)
Hybrid algorithm
Numerical errors
Time domain methods
Issue Date: Apr-2004
Citation: Venkatarayalu, N.V., Beng, G.Y., Li, L.-W. (2004-04). On the numerical errors in the 2-D FE/FDTD algorithm for different hybridization schemes. IEEE Microwave and Wireless Components Letters 14 (4) : 168-170. ScholarBank@NUS Repository.
Abstract: Numerical experiments are carried out to study the accuracy of the two-dimensional Finite-Element/Finite-Difference Time - Domain (FE/FDTD) hybrid algorithm with three different hybridization schemes. The physical space is split into two domains viz., the finite difference (FD) and finite element (FE) domains. In the FD domain, a uniform Cartesian grid is used and in the FE domain, triangular elements with edge vector basis functions are used. Newmark-β scheme is used for temporal discretization in the FE domain. The unphysical reflections introduced by the FE domain for the different schemes are compared by computing the 2-D radar cross section of the FE domain surrounded by the FD domain. Computed results of scattering by a PEC circular cylinder for TEZ incidence using the three schemes and the traditional FDTD algorithm are presented.
Source Title: IEEE Microwave and Wireless Components Letters
ISSN: 15311309
DOI: 10.1109/LMWC.2004.827101
Appears in Collections:Staff Publications

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