Semi-Implicit Method for Three-Dimensional Resistive Magnetohydrodynamic Simulation of Fusion Plasmas
Semi-Implicit Method for Three-Dimensional Resistive Magnetohydrodynamic Simulation of Fusion Plasmas
复制标题
聚变等离子体三维电阻磁流体动力学模拟的半隐式方法
DOI：
10.13182/nse86-a17872
复制
发表时间：
1986
影响因子：
1.2
通讯作者：
W. Kerner
中科院分区：
文献类型：
--
作者：
D. Harned;W. Kerner
提出了一种求解三维全可压缩电阻磁流体力学方程的半隐式方法。该方法被设计用于磁约束装置中聚变等离子体的建模。该方法对于快速压缩模式是无条件稳定的。时间步长受到较慢的剪切阿尔芬运动的限制。一个时间步长所需的计算时间与显式方法基本相同。该程序适用于柱形托卡马克平衡中的阻性不稳定性。
A semi-implicit method for solving the full compressible resistive magnetohydrodynamic equations in three dimensions is presented. The method is designed for use in the modeling of fusion plasmas in magnetic confinement devices. The method is unconditionally stable with respect to the fast compressional modes. The time step is limited instead by the slower shear Alfven motion. The computing time required for one time step is essentially the same as that for explicit methods. The code is applied to resistive instabilities in cylindrical tokamak equilibria.