plot12.v2d
 2       # Model
 2       # Discretization of the explicit operator (RHS)
 0.0     # Dissipation coefficient at RHS (given as 1/eps^(4)) if RHS discr.=0
 1       # Discretization of the implicit operator (LHS)
 0.0     # Dissipation coefficient at LHS (given as 1/eps^(2)) if RHS discr.=0
 1.0     # Time accuracy (1.0=1st-order in time, 0.5=2nd-order)
10.0     # CFL-number
 2.0     # Ratio of viscous to convective eigenvalue (if model=2)
 1       # Diffusion term included in the implicit operator (0=no, 1=yes)

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Model:
  1 = convection model equation (similar to Euler)
  2 = convection-diffusion model equation (similar to Navier-Stokes)

Discretization:
  0 = central scheme with 3rd-order artificial dissipation (RHS)
      or 1st-order dissipation (LHS)
  1 = 1st-order upwind
  2 = 2nd-order upwind
