护套多矩多流体模拟的边值“储层问题”及边界条件

P. Cagas, A. Hakim, B. Srinivasan
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引用次数: 2

摘要

等离子体鞘层的多流体模拟越来越多地用于模拟等离子体物理中的各种问题,从天体周围的全球磁层流动到推进器和聚变装置中的等离子体壁相互作用。对于多流体问题,精确的边界条件来模拟解决经典护套问题的吸收壁仍然是一个开放的研究领域。这项工作证明了真空边界条件用于吸收壁的合理性,以显示多流体护套和连续动力学护套的较低力矩之间的相当精度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A boundary value “reservoir problem” and boundary conditions for multi-moment multifluid simulations of sheaths
Multifluid simulations of plasma sheaths are increasingly used to model a wide variety of problems in plasma physics ranging from global magnetospheric flows around celestial bodies to plasma-wall interactions in thrusters and fusion devices. For multifluid problems, accurate boundary conditions to model an absorbing wall that resolves a classical sheath remains an open research area. This work justifies the use of vacuum boundary conditions for absorbing walls to show comparable accuracy between a multifluid sheath and lower moments of a continuum-kinetic sheath.
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