Collaborative Research: Substorm Particle Injection into the Ring Current--MagnetoHydroDynamic (MHD) with Embedded Particle-In-Cell (PIC) Simulation Approach
合作研究:亚暴粒子注入环流——磁流体动力(MHD)与嵌入式粒子在细胞(PIC)模拟方法
基本信息
- 批准号:2040319
- 负责人:
- 金额:$ 41.73万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-12-01 至 2024-11-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Magnetic storms generate energetic particles and strong wave activity in the magnetosphere. Modeling this system is of critical importance both for its societal and scientific relevance. This work will use a combined fluid-particle modeling approach to understand the role of kinetic processes in the inner magnetosphere. A graduate student will be trained and a new more realistic model of the storm time inner magnetosphere magnetic field, including the ring current, will be made publicly available to the space weather community.The project will study the process of particle injection from the magnetotail by developing, validating, and using a self-consistent particle-in-cell (PIC) simulation embedded in a global magetohydrodynamic (MHD) simulation of the solar wind-magnetosphere-ionosphere system. By using the multi-scale particle-in-cell (MSPIC) approach featuring an implicit PIC system that encompasses a large fraction of the inner magnetosphere, they will investigate ring current injection and acceleration during magnetic storm related substorms. This will enable the study of wave-particle interactions missing from other large-scale ring current simulation models.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
磁暴在磁层中产生高能粒子和强波活动。对这一系统进行建模对于其社会和科学相关性都至关重要。这项工作将使用一个组合的流体粒子模拟方法来了解内磁层中的动力学过程的作用。将对一名研究生进行培训,并向空间气象界公开提供一个新的更现实的风暴时间内磁层磁场模型,包括环电流。和使用自洽的粒子在细胞(PIC)模拟嵌入在全球磁流体动力学(MHD)模拟的太阳风磁层电离层系统。通过使用多尺度粒子单元(MSPIC)方法,该方法具有包含大部分内磁层的隐式PIC系统,他们将研究磁暴相关亚暴期间的环电流注入和加速。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Raymond Walker其他文献
A brave new (virtual) world: distributed searches, relevance scoring and facets
- DOI:
10.1007/s12145-008-0002-7 - 发表时间:
2008-02-21 - 期刊:
- 影响因子:3.000
- 作者:
Todd King;Tom Narock;Raymond Walker;Jan Merka;Steven Joy - 通讯作者:
Steven Joy
Designing science web sites
- DOI:
10.1007/s12145-010-0058-z - 发表时间:
2010-06-11 - 期刊:
- 影响因子:3.000
- 作者:
Kica Worrilow;Todd King;Raymond Walker;Mark E. Rose;William Moore;Steven Joy - 通讯作者:
Steven Joy
A registry framework and Rosetta attributes for distributed science
- DOI:
10.1007/s12145-010-0047-2 - 发表时间:
2010-04-16 - 期刊:
- 影响因子:3.000
- 作者:
Todd King;Jan Merka;Thomas Narock;Raymond Walker;Lee Bargatze - 通讯作者:
Lee Bargatze
Raymond Walker的其他文献
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