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Model Order Reduction of Electromagnetic Particle-in-Cell Kinetic Plasma Simulations via Proper Orthogonal Decomposition SCIE

Title
Model Order Reduction of Electromagnetic Particle-in-Cell Kinetic Plasma Simulations via Proper Orthogonal Decomposition
Authors
Nicolini Julio L.Na Dong-YeopTeixeira Fernando L.
Date Issued
2019-12
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Abstract
The proper orthogonal decomposition technique is applied to a finite-element time-domain particle-in-cell (PIC) algorithm for the simulation of kinetic plasmas, resulting in a reduced-order system. The reduced model is tested with representative examples involving an accelerated electron beam and a plasma ball expansion and compared with full-order simulations. The strengths and weakness of this type of model order reduction when applied to PIC algorithms are discussed through the analysis of the results. In particular, the method allows for a major reduction in the field degrees of freedom necessary to capture the relevant physics, but it can also lead to spurious results if proper care is not taken when assembling the reduced-order system.
URI
https://oasis.postech.ac.kr/handle/2014.oak/114347
DOI
10.1109/tps.2019.2950377
ISSN
0093-3813
Article Type
Article
Citation
IEEE TRANSACTIONS ON PLASMA SCIENCE, vol. 47, no. 12, page. 5239 - 5250, 2019-12
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나동엽NA, DONG YEOP
Dept of Electrical Enginrg
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