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https://doi.org/10.1109/LMWC.2004.827101
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) Finite-element 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. https://doi.org/10.1109/LMWC.2004.827101 | 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 | URI: | http://scholarbank.nus.edu.sg/handle/10635/82817 | ISSN: | 15311309 | DOI: | 10.1109/LMWC.2004.827101 |
Appears in Collections: | Staff Publications |
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