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2013-09-18

Complex Rectangular Filter Design Using Hybrid Finite Element Method and Modified Multimodal Variational Formulation

By Mohamed Yahia, Junwu Tao, and Hedi Sakli
Progress In Electromagnetics Research C, Vol. 44, 55-66, 2013
doi:10.2528/PIERC13072904

Abstract

We hybridize vector Finite Element Method (FEM) and a Modified Multimodal Variational Formulation (MMVF) to the accurate and fast design of complex isotropic rectangular filters. The MMVF is applied to the full-wave description in the rectangular waveguides while the FEM characterizes waves in the arbitrarily shaped discontinuities. The proposed hybrid method is applied to the full-wave analysis of circuits with great practical interest (i.e., cross-shaped iris and multimode filters), thus improving CPU time and memory storage against several full-wave FEM based Computer Aided Design (CAD) tools (i. e. HFSS High Frequency Structural Simulator). The performances of the proposed hybrid method are validated with experimental results and HFSS simulations.

Citation


Mohamed Yahia, Junwu Tao, and Hedi Sakli, "Complex Rectangular Filter Design Using Hybrid Finite Element Method and Modified Multimodal Variational Formulation," Progress In Electromagnetics Research C, Vol. 44, 55-66, 2013.
doi:10.2528/PIERC13072904
http://www.jpier.org/PIERC/pier.php?paper=13072904

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