9.1 Synopsis
  9.1.1 Euler equations
  9.1.2 Compressible Navier-Stokes equations
  9.1.3 Numerical discretisation
 9.2 Usage
 9.3 Session file configuration
  Parameters
  Solver info
  Boundary conditions
  Initial conditions and exact solution
 9.4 Examples
  9.4.1 Shock capturing
  9.4.2 Variable polynomial order
  9.4.3 De-Aliasing Techniques