NDLI: CFDTD solution for large waveguide slot arrays

Content Provider	IEEE Xplore Digital Library
Author	Ho, T.Q. Hewett, C.A. Hunt, L.N. Ready, T.G. Baugher, M.C. Mikoleit, K.E.
Copyright Year	2005
Description	Author affiliation: SSCSD, San Diego, CA, USA (Ho, T.Q.; Hewett, C.A.; Hunt, L.N.)
Abstract	The finite difference time domain (FDTD) technique consists of simulating time varying electromagnetic fields in various media with Maxwell's curl equations in the form of finite difference equations, which are then used in a leapfrog fashion to incrementally advance the discretized electromagnetic fields forward in time and solve for them at alternating intervals in space. The main drawback to the use of the FDTD method is the need for large computational resources, notably memory. The amount of memory required is a function of the grid employed to divide the problem space into individual cells. The memory requirements increase with the volume in the computational domain. The conformal FDTD (CFDTD) code is being developed jointly by RMA and the Navy for direct simulation of large complicated structures such as slotted waveguide array antennas. The ability to run on a parallel computing system and its highly versatile non-uniform meshing tool are two aspects of CFDTD that ease otherwise restrictive computational resource demands. CFDTD code performance including partitioning for parallel processing and computing runtimes are presented herein.
Starting Page	261
Ending Page	264
File Size	429474
Page Count	4
File Format	PDF
ISBN	0780390687
DOI	10.1109/WCACEM.2005.1469576
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-04-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	ACES
Subject Keyword	Concurrent computing Military computing Difference equations Computational modeling Electromagnetic waveguides Time domain analysis Parallel processing Electromagnetic fields Maxwell equations Finite difference methods
Content Type	Text
Resource Type	Article

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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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