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|Title:||Discontinuous galerkin implementation of domain decomposition time-domain finite-element method||Authors:||Ye, Z.
|Keywords:||Crank-Nicolson (CN) algorithm
Disontinuous Galerkin method
hierarchical vector basis functions
time-domain finite-element method (TDFEM)
|Issue Date:||2011||Citation:||Ye, Z.,Wang, C.-F. (2011). Discontinuous galerkin implementation of domain decomposition time-domain finite-element method. IEEE Antennas and Propagation Society, AP-S International Symposium (Digest) : 2338-2341. ScholarBank@NUS Repository. https://doi.org/10.1109/APS.2011.5996988||Abstract:||A discontinuous Galerkin time-domain finite-element method (DG-TDFEM) is developed for modeling wideband EM response of dielectric loaded waveguide structures. It can be considered as a kind of domain decomposition method (DDM). The hierarchical vector basis functions are used to expand the electric and magnetic fields to maintain high order accuracy and Crank-Nicolson (CN) difference scheme is utilized for the time-partial equation for each subdomain. The fields in adjacent subdomains are directly related to each other by the fields on their interfaces. Thus, there is no need to solve a global matrix equation related to all boundary values. The complex frequency-shifted perfectly matched layers (CFS-PML) are used for the truncation of solution domain. 3-dimensional cavity and waveguide structure with dielectric loading are simulated to demonstrate the accuracy and efficiency of the proposed method. © 2011 IEEE.||Source Title:||IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)||URI:||http://scholarbank.nus.edu.sg/handle/10635/117242||ISBN:||9781424495634||ISSN:||15223965||DOI:||10.1109/APS.2011.5996988|
|Appears in Collections:||Staff Publications|
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