Introduction - If you have any usage issues, please Google them yourself
riemen for solving computational fluid dynamics theory to explain riemen on the issue, made a comprehensive summary of the system
Riemann_Solvers_and_Numerical_Methods_for_Fluid_Dynamics_A_Practical_Introduction\3540659668.pdf
Riemann_Solvers_and_Numerical_Methods_for_Fluid_Dynamics_A_Practical_Introduction