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| TUPAB145 |
Methods for Numerical Noise Mitigation in Quasistatic Three-Dimensional Particle-in-Cell Code LCODE3D |
1725 |
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- I.Yu. Kargapolov, K.V. Lotov, A. Sosedkin
Budker INP & NSU, Novosibirsk, Russia
- I.A. Shalimova
ICM&MG SB RAS, Novosibirsk, Russia
- I.A. Shalimova, P.V. Tuev
NSU, Novosibirsk, Russia
- P.V. Tuev
BINP SB RAS, Novosibirsk, Russia
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We discuss a new quasistatic 3D particle-in-cell code LCODE3D for simulating plasma wakefield acceleration, which is a modified version of the quasistatic 2D3V code LCODE, focus on the numerical noise of the plasma solver and propose methods for reducing it. We compare different particle shape functions, as these functions affect the code stability. We also introduce the so-called dual plasma approach, which improves stability and dampens small-scale noise. After applying the proposed methods, the results of the new code closely agree with LCODE simulation results.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB145
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| About • |
paper received ※ 19 May 2021 paper accepted ※ 17 June 2021 issue date ※ 25 August 2021 |
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