NDLI: Improved space charge modeling in cylindrical coordinates

Content Provider	IEEE Xplore Digital Library
Author	Verboncoeur, J.P. Wu, A.C. Jackson, R.H. Thuc Bui
Copyright Year	2010
Description	Author affiliation: Calabazas Creek Research, Inc., SanMateo, CA 94404 USA (Jackson, R.H.; Thuc Bui) \|\| University California Berkeley, 4167 Etcheverry Hall Berkeley CA 94720 USA (Verboncoeur, J.P.; Wu, A.C.)
Abstract	Many electromagnetic and charged-particle beam devices are primarily cylindrical in nature. In such cases, simulation codes employing cylindrical coordinates are extremely efficient, yielding high space/time resolution while minimizing computational costs. However, it has long been known that the curvature of (r, z) and (r, Φ, z) coordinates requires adjustment of solution coefficients and particle/current weights as functions of distance from the axis to reduce effects of numerical noise. Recent progress on charge $interpolation^{1}$ and solution $coefficients^{2}$ has provided a consistent methodology for improved simulation in cylindrical coordinates. In this paper, the improved techniques will be presented, along with their implementation in a widely used 2D particle-in-cell code, $XOOPIC^{3},$ and comparisons to standard solution methods. Comparisons are also made with finite element models using the $BOA^{4}$ code.
Starting Page	1
Ending Page	1
File Size	175678
Page Count	1
File Format	PDF
ISBN	9781424454747
ISSN	07309244
e-ISBN	9781424454761
e-ISBN	9781424454754
DOI	10.1109/PLASMA.2010.5534164
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space charge Polynomials Military computing Electromagnetic modeling Etching Electromagnetic devices Beams Computational modeling Computational efficiency Noise reduction
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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