一维激波管黎曼问题的精确解（用于求解一维激波管黎曼问题）-Riemann shock tube problem of one-dimensional exact solution (one-dimensional shock tube used to solve the Riemann problem)

采用matlab编写，HLL和ROE黎曼求解器求解一维激波管问题，并有与精确黎曼求解器结果对比。- one-dimensional shock tube problem using HLL and ROE Riemann solver

求解sod激波管问题精确解，解出了t=0.14时刻的密度，速度和压力(get the exact solution of problem of shock wave in tube)