NDLI: Application of B-spline temporal basis function in time-domain finite element method for three-dimensional EM radiation problem

Content Provider	IEEE Xplore Digital Library
Author	Xia Wu Lezhu Zhou
Copyright Year	2008
Description	Author affiliation: Sch. of Electron. Eng. & Comput. Sci., Peking Univ., Beijing (Xia Wu; Lezhu Zhou)
Abstract	A new time-domain finite element method (TDFEM) based on B-spline temporal basis function is presented for the first time in this paper. This approach is motivated by aims of achieving higher computational efficiency. Compared with the reported TDFEM scheme, which is based on Galerldnpsilas method with a piecewise linear temporal expansion of electric field[t], in our scheme, the electric field is parameterised in terms of piecewise polynomial B-spline basis function. B-spline is chosen as temporal basis function both for a smoother interpolation and a more efficient approximation[2]. Moreover, this method allows for a consistent time discretization of the electric field vector wave equation and its augmented PML regions. The novel scheme is first verified on cavity problem, in which computed results agree with the analytical solution successfully. Then the scheme is applied to a bow-tie antenna and the results have good agreement with those in frequent-domain method.
Starting Page	762
Ending Page	765
File Size	279505
Page Count	4
File Format	PDF
ISBN	9789810806293
DOI	10.1109/APEMC.2008.4559987
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Asia Pacific EMC Society
Subject Keyword	TDFEM Piecewise linear techniques Partial differential equations Piecewise linear approximation EM radiation Time domain analysis Electromagnetic radiation Finite element methods Spline Ultra-wideband antenna Interpolation Polynomials Computational efficiency B-spline temporal basis function
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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