文中给出了流函数方程及边界条件的坐标转换形式和离散格式，采用了强隐式(SIP)迭代法，分别对具有弓形和半弓形突体的直管进行了计算。
In this paper, the transformed forms of the flow function equation and boundary conditions and their difference expressions are given, and Strongly Implicit Procedure (SIP) iteration is used.
主要包括强连续半群、积分半群与拟概自守函数的定义与基本性质。
Chapter 2 is preliminaries, mainly including some definitions and basic properties on strongly continuous semigroups, integrated semigroups and pseudo al-most automorphic functions.
应用推荐