A computer program for calculating the structure of magnetohydrodynamical shocks in interstellar clouds
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Abstract
The program solves for the stationary-state profile of a shock propagating in the interstellar medium under the influence of a magnetic field. The number densities of a given set of atomic and molecular species are computed point by point through the shock. Heavy molecules of the polycyclic aromatic hydrocarbon type, for example, may be included amongst the molecular species.
Title of program: MHD
Catalogue Id: ABLS_v1_0
Nature of problem
Shocks are known to be generated in the interstellar medium, for example, in regions of star formation. The structure of the shocks is modified by the interstellar magnetic field. The continuous or C-type shocks which are anticipated in such regions change the physical and chemical state of the gas. Chemical changes to the degree of ionization impinge, in turn, on the shock structure, and so the magnetohydrodynamical (MHD) and chemical rate equations need to be solved simultaneously. The column ...
Versions of this program held in the CPC repository in Mendeley Data
ABLS_v1_0; MHD; 10.1016/0010-4655(90)90143-O
This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)
摘要
本程序求解磁场作用下星际介质中传播的激波的定态剖面。通过逐点计算给定原子与分子种类的数密度，可得到激波区域内各物种的数密度。例如，多环芳烃（polycyclic aromatic hydrocarbon）类大分子可被纳入分子种类集合中。
程序名称：MHD
目录编号：ABLS_v1_0
问题本质
已知激波可在星际介质中产生，例如恒星形成区域。星际磁场会改变激波的结构。这类区域中预期存在的连续型（C型）激波会改变气体的物理与化学状态。电离度相关的化学变化反过来又会作用于激波结构，因此需要同时求解磁流体动力学（magnetohydrodynamical, MHD）方程与化学速率方程。柱密度……
本程序在Mendeley数据的CPC仓库中的存档版本：ABLS_v1_0; MHD; 10.1016/0010-4655(90)90143-O
本程序源自贝尔法斯特女王大学托管的CPC程序库（1969-2019）
创建时间：
2019-12-22
