NDLI: MAGIC3D FDTD EM-PIC code cut cell slow wave serpentine calculation

Content Provider	IEEE Xplore Digital Library
Author	Woods, A.J. Ludeking, L.D.
Copyright Year	2015
Description	Author affiliation: Orbital ATK, Inc., Newington, VA, USA (Woods, A.J.; Ludeking, L.D.)
Abstract	The MAGIC3D finite difference electromagnetic particle-in-cell (FDTD EM-PIC) code has been upgraded to include non-conformal or “cut” cells. The code solves Maxwell's equations in Cartesian coordinates using full and partial cells cut arbitrarily along flat surfaces. The sophisticated cut cell treatment enables cells to be sliced in all directions and fractions. A field remapping algorithm combines small volumes into neighbor cells to prevent undue Courant time step limitations. The code has been applied to reduced generic serpentine slow wave structures with incoming EM and particle beams in order to explore benefits of cut cells in deliberately marginally-zoned treatments. Improved power transmission was seen with cut cells. Reduced unwanted noise occurred in the particle beam case. Benefits were tracked to the smoother geometry of the serpentine sections with cut cells.
Starting Page	1
Ending Page	5
File Size	2182431
Page Count	5
File Format	PDF
e-ISBN	9781479984039
DOI	10.1109/PPC.2015.7296974
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geometry Finite difference methods Particle beams Time-domain analysis Hollow waveguides
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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