标题： 行星环动力学 -- 流线形式化理论 -- 狭窄环和锐边的理论 显示英文标题

标题： Planetary Ring Dynamics -- The Streamline Formalism -- 2. Theory of Narrow Rings and Sharp Edges

摘要： 目前的材料涵盖了在第1部分（astro-ph/1606.00759）中未涉及的大规模环动力学在扰动流中的特征；这包括对所有类型的环模式动力学的广泛覆盖（密度波除外，密度波已在第1部分中涵盖），环偏心率和模式振幅的起源，以及环/间隙限制的问题。 这仍然没有涉及到与环小尺度结构相关的许多重要动力学问题，特别是自引力尾迹的动力学、局部粘性过稳定性以及弹道输运过程的动力学。 由于这部分材料旨在自成体系，因此与第1部分有大约30%的重叠。 这项工作是即将出版的剑桥大学环系统专著（《行星环系统》，Matt Tiscareno 和 Carl Murray 编辑）第11章的预印本。 显示英文摘要

摘要： The present material covers the features of large scale ring dynamics in perturbed flows that were not addressed in part 1 (astro-ph/1606.00759); this includes an extensive coverage of all kinds of ring modes dynamics (except density waves which have been covered in part 1), the origin of ring eccentricities and mode amplitudes, and the issue of ring/gap confinement. This still leaves aside a number of important dynamical issues relating to the ring small scale structure, most notably the dynamics of self-gravitational wakes, of local viscous overstabilities and of ballistic transport processes. As this material is designed to be self-contained, there is some 30% overlap with part 1. This work constitutes a preprint of Chapter 11 of the forthcoming Cambridge University book on rings (Planetary Ring Systems, Matt Tiscareno and Carl Murray, eds).