Development of an implicit electromagnetic capability for a hybrid gyrokinetic ion-fluid electron model

IF 1.3 4区 物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS
Mikhail Dorf, Milo Dorr, Debojyoti Ghosh
{"title":"Development of an implicit electromagnetic capability for a hybrid gyrokinetic ion-fluid electron model","authors":"Mikhail Dorf,&nbsp;Milo Dorr,&nbsp;Debojyoti Ghosh","doi":"10.1002/ctpp.202300114","DOIUrl":null,"url":null,"abstract":"<p>We report on the development and implementation of a hybrid kinetic ion–fluid electron model for electromagnetic COGENT simulations of edge plasmas. COGENT is a finite-volume gyrokinetic code that employs a locally field-aligned coordinate system combined with a mapped multi-block grid technology to handle strongly anisotropic edge plasma turbulence. The simulation model involves the long-wavelength limit of the ion gyrokinetic equation coupled to the vorticity and Ohm's law equations for the electromagnetic field perturbations. In order to handle the fast Alfvén wave time scales, an implicit-explicit time integration approach with a physics-based preconditioner is used. The model is successfully applied to the simulations of ion-scale resistive-drift ballooning turbulence in a toroidal annulus geometry. Substantial speed-up over a fully explicit time integration approach is observed.</p>","PeriodicalId":10700,"journal":{"name":"Contributions to Plasma Physics","volume":"64 7-8","pages":""},"PeriodicalIF":1.3000,"publicationDate":"2024-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Contributions to Plasma Physics","FirstCategoryId":"101","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/ctpp.202300114","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, FLUIDS & PLASMAS","Score":null,"Total":0}
引用次数: 0

Abstract

We report on the development and implementation of a hybrid kinetic ion–fluid electron model for electromagnetic COGENT simulations of edge plasmas. COGENT is a finite-volume gyrokinetic code that employs a locally field-aligned coordinate system combined with a mapped multi-block grid technology to handle strongly anisotropic edge plasma turbulence. The simulation model involves the long-wavelength limit of the ion gyrokinetic equation coupled to the vorticity and Ohm's law equations for the electromagnetic field perturbations. In order to handle the fast Alfvén wave time scales, an implicit-explicit time integration approach with a physics-based preconditioner is used. The model is successfully applied to the simulations of ion-scale resistive-drift ballooning turbulence in a toroidal annulus geometry. Substantial speed-up over a fully explicit time integration approach is observed.

为混合陀螺动能离子-流体电子模型开发隐式电磁能力
我们报告了用于边缘等离子体电磁 COGENT 模拟的混合动力学离子-流体电子模型的开发和实施情况。COGENT 是一种有限体积陀螺动力学代码,采用局部场对齐坐标系和映射多块网格技术来处理强各向异性边缘等离子体湍流。模拟模型涉及离子陀螺动能方程的长波长极限,并与电磁场扰动的涡度和欧姆定律方程相耦合。为了处理快速阿尔弗韦恩波的时间尺度,采用了基于物理预处理的隐式-显式时间积分法。该模型成功地应用于环形几何中离子尺度的电阻漂移气球湍流模拟。与完全显式时间积分方法相比,该模型的速度大大提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
Contributions to Plasma Physics
Contributions to Plasma Physics 物理-物理:流体与等离子体
CiteScore
2.90
自引率
12.50%
发文量
110
审稿时长
4-8 weeks
期刊介绍: Aims and Scope of Contributions to Plasma Physics: Basic physics of low-temperature plasmas; Strongly correlated non-ideal plasmas; Dusty Plasmas; Plasma discharges - microplasmas, reactive, and atmospheric pressure plasmas; Plasma diagnostics; Plasma-surface interaction; Plasma technology; Plasma medicine.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信