求解一维Euler方程，计算一维激波管问题，时间项RK，空间使用steger_warming分裂方式-Solving one-dimensional Euler equations, to calculate the one-dimensional shock tube problem, the time RK, space using two separatist

使用lax差分格式计算流体力学中一维激波管问题-Computational fluid dynamics in one-dimensional shock tube problem using lax difference scheme

一维 问题，即激波管问题，是一个典型的一维可压缩无黏气体动力学问题，并有 解析解。对它采用二阶精度 两步差分格式进行数值求解。-A one-dimensional problem that the shock tube problem is a typical one-dimensional inviscid compressible gas dynamics, and analytical solutions. It uses a two-step second order accuracy