SGER: Development of a Three-Dimensional Unstructured Hybrid Plasma Model of Particle Ions Fluid Electrons for Applications to Solar and Magnetospheric Physics

太阳、太阳风和磁层中等离子体过程的许多特征涉及固有的动力学、三维物理。 该项目的目标是利用动力学离子和流体电子建立空间等离子体的三维多分辨率混合模型。 该代码将能够解决局部尺度上的离子回旋半径和离子惯性长度的空间等离子体的微观物理。 该模型在短期内适用于磁层模拟，在长期内适用于其他行星和太阳物理问题。 将修改当前的2-D代码，以在有限元多分辨率网格上创建最先进的混合模型。 该项目的主要重点将是代码开发和解决计算问题，最终目标是利用新代码进行全球磁层建模，并将其应用于地磁暴和空间气象预测。 代码建设将包括三维有限元程序的分析计算，代码建设采用现有的二维代码中使用的方法，代码测试对线性分析波频散关系。

Many features of the plasma processes in the sun, the solar wind and the magnetosphere involve inherently kinetic, three-dimensional physics. The objective of this project is to develop a three dimensional, multi-resolution, hybrid model of space plasmas using kinetic ions and fluid electrons. The code will be able to resolve the microphysics of space plasmas locally on scales comparable to the ion gyro-radius and ion inertial length. This model will be appropriate to magnetospheric modeling in the short term and other planetary and solar physical problems in the long term. A current 2-D code will be modified to create a state-of-the-art hybrid model on a finite element multi-resolution mesh. The main emphasis of this project will be on code development and addressing computational issues with the ultimate goal of utilizing the new code for conducting global magnetospheric modeling with applications to geomagnetic storms and space weather prediction. The code construction will comprise analytic calculations of the finite element procedures in three dimensions, code construction by following the methodology used in the existing two-D code, and code testing against linear analytic wave dispersion relations.