R-MHD: an adaptive-grid radiation-magnetohydrodynamics computer code

Abstract A one-dimensional adaptive-grid finite-differencing computer code is presented for radiation-magnetohydrodynamics (R-MHD) simulations of fusion plasmas. The governing equations consist of the continuity, momentum, and energy equations of a non-relativistic, radiative and magnetized fluid plus field-intensity equations of radiation and magnetic fields. The equations are solved on an adaptive grid that dynamically moves the points at every timestep to follow steep gradients in physical quantiti... Title of program: R-MHD Catalogue Id: ACGN_v1_0 Nature of problem Radiation processes and radiation transport play an important role in inertial confinement fusion (ICF) plasmas. The dynamics of target implosion, and of the plasma channels can be strongly affected by radiative transfer. The coupling between the plasma, radiation and magnetic fields in light ion beam transport channels must be accurately determined to predict and interpret the outcome of ICF experiments. Versions of this program held in the CPC repository in Mendeley Data ACGN_v1_0; R-MHD; 10.1016/0010-4655(92)90182-X This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)摘要 本文提出一款用于聚变等离子体辐射磁流体力学（radiation-magnetohydrodynamics, R-MHD）模拟的一维自适应网格有限差分计算机代码。其控制方程包含非相对论性辐射磁化流体的连续性方程、动量方程与能量方程，以及辐射场与磁场的场强方程。该代码在自适应网格上求解方程，网格点会在每个时间步动态调整，以追踪物理量的陡峭梯度…… 程序名称：R-MHD 目录编号：ACGN_v1_0 问题性质 惯性约束聚变（inertial confinement fusion, ICF）等离子体中，辐射过程与辐射输运发挥着关键作用。靶丸内爆与等离子体通道的动力学过程会受到辐射输运的显著影响。为预测并解释惯性约束聚变实验的结果，必须精准确定轻离子束输运通道中等离子体、辐射与磁场之间的耦合关系。 Mendeley数据平台CPC库中收录的本程序版本：ACGN_v1_0; R-MHD; 10.1016/0010-4655(92)90182-X 本程序源自贝尔法斯特女王大学馆藏的CPC程序库（1969-2019年）