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Multiple-scale kinetic simulations with the energy conserving semi-implicit particle in cell method

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Multiple-scale kinetic simulations with the energy conserving semi-implicit particle in cell method. / Lapenta, Giovanni; Gonzalez-Herrero, Diego; Boella, Elisabetta.

In: Journal of Plasma Physics, Vol. 83, No. 2, 705830205, 01.06.2017.

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Lapenta, Giovanni ; Gonzalez-Herrero, Diego ; Boella, Elisabetta. / Multiple-scale kinetic simulations with the energy conserving semi-implicit particle in cell method. In: Journal of Plasma Physics. 2017 ; Vol. 83, No. 2.

Bibtex

@article{416d2e3b92174540a02f9f2bc3fbf4b1,
title = "Multiple-scale kinetic simulations with the energy conserving semi-implicit particle in cell method",
abstract = "The recently developed energy conserving semi-implicit method (ECsim) for particle-in-cell (PIC) simulation is applied to multiple-scale problems where the electron-scale physics needs to be only partially retained and the interest is on the macroscopic or ion-scale processes. Unlike hybrid methods, the ECsim is capable of providing kinetic electron information, such as wave–electron interaction (Landau damping or cyclotron resonance) and non-Maxwellian electron velocity distributions. However, like hybrid methods, the ECsim does not need to resolve all electron scales, allowing time steps and grid spacings orders of magnitude larger than in explicit PIC schemes. The additional advantage of the ECsim is that the stability at large scale is obtained while conserving energy exactly. Three examples are presented: ion acoustic waves, electron acoustic instability and reconnection processes.",
keywords = "astrophysical plasmas",
author = "Giovanni Lapenta and Diego Gonzalez-Herrero and Elisabetta Boella",
year = "2017",
month = jun,
day = "1",
doi = "10.1017/S0022377817000137",
language = "English",
volume = "83",
journal = "Journal of Plasma Physics",
issn = "0022-3778",
publisher = "CAMBRIDGE UNIV PRESS",
number = "2",

}

RIS

TY - JOUR

T1 - Multiple-scale kinetic simulations with the energy conserving semi-implicit particle in cell method

AU - Lapenta, Giovanni

AU - Gonzalez-Herrero, Diego

AU - Boella, Elisabetta

PY - 2017/6/1

Y1 - 2017/6/1

N2 - The recently developed energy conserving semi-implicit method (ECsim) for particle-in-cell (PIC) simulation is applied to multiple-scale problems where the electron-scale physics needs to be only partially retained and the interest is on the macroscopic or ion-scale processes. Unlike hybrid methods, the ECsim is capable of providing kinetic electron information, such as wave–electron interaction (Landau damping or cyclotron resonance) and non-Maxwellian electron velocity distributions. However, like hybrid methods, the ECsim does not need to resolve all electron scales, allowing time steps and grid spacings orders of magnitude larger than in explicit PIC schemes. The additional advantage of the ECsim is that the stability at large scale is obtained while conserving energy exactly. Three examples are presented: ion acoustic waves, electron acoustic instability and reconnection processes.

AB - The recently developed energy conserving semi-implicit method (ECsim) for particle-in-cell (PIC) simulation is applied to multiple-scale problems where the electron-scale physics needs to be only partially retained and the interest is on the macroscopic or ion-scale processes. Unlike hybrid methods, the ECsim is capable of providing kinetic electron information, such as wave–electron interaction (Landau damping or cyclotron resonance) and non-Maxwellian electron velocity distributions. However, like hybrid methods, the ECsim does not need to resolve all electron scales, allowing time steps and grid spacings orders of magnitude larger than in explicit PIC schemes. The additional advantage of the ECsim is that the stability at large scale is obtained while conserving energy exactly. Three examples are presented: ion acoustic waves, electron acoustic instability and reconnection processes.

KW - astrophysical plasmas

U2 - 10.1017/S0022377817000137

DO - 10.1017/S0022377817000137

M3 - Journal article

VL - 83

JO - Journal of Plasma Physics

JF - Journal of Plasma Physics

SN - 0022-3778

IS - 2

M1 - 705830205

ER -