NDLI: Use of a multigrid solver in the MAFIA module S3 for electro- and magnetostatic problems

Content Provider	IEEE Xplore Digital Library
Author	Krawczyk, F. Weiland, T. Steffen, B.
Copyright Year	1965
Abstract	The MAFIA codes are fully 3-D codes for solving Maxwell's equations by the finite integration algorithm. SOR schemes are a well tested standard for finite-difference (FD) methods in electromagnetic calculations. Since for 3-D problems requiring high accuracy, the necessary fine meshes give a large number of unknowns and so SOR becomes very slow, therefore a multigrid (MG) scheme, a technique developed for the solution of problems with many unknowns, has been incorporated into the S3 code. The performance and accuracy of the new scheme has been compared to that of SOR. The tests demonstrated that multigrid is much faster and more accurate than SOR. It also converges for matrices where SOR fails.<>
Sponsorship	IEEE Magnetics Society
Starting Page	747
Ending Page	750
Page Count	4
File Size	396331
File Format	PDF
ISSN	00189464
Volume Number	26
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetostatics Testing Magnetic anisotropy Perpendicular magnetic anisotropy Magnetic materials Magnetic flux Boundary conditions Magnetic analysis Electrostatic measurements Maxwell equations
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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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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