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minor Navier-Stokes documentation fixes #1214

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Sep 9, 2022
Merged

minor Navier-Stokes documentation fixes #1214

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2 changes: 1 addition & 1 deletion examples/tree_2d_dgsem/elixir_navier_stokes_lid_driven_cavity.jl
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Expand Up @@ -20,7 +20,7 @@ solver = DGSEM(polydeg=3, surface_flux=flux_lax_friedrichs)
coordinates_min = (-1.0, -1.0) # minimum coordinates (min(x), min(y))
coordinates_max = ( 1.0, 1.0) # maximum coordinates (max(x), max(y))

# Create a uniformly refined mesh with periodic boundaries
# Create a uniformly refined mesh
mesh = TreeMesh(coordinates_min, coordinates_max,
initial_refinement_level=4,
periodicity=false,
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5 changes: 4 additions & 1 deletion src/equations/compressible_navier_stokes_2d.jl
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@@ -1,5 +1,6 @@
@doc raw"""
CompressibleNavierStokesDiffusion2D(gamma, Re, Pr, Ma_inf, equations)
CompressibleNavierStokesDiffusion2D(gamma, Re, Pr, Ma_inf, equations,
gradient_variables=GradientVariablesPrimitive())

These equations contain the diffusion (i.e. parabolic) terms applied
to mass, momenta, and total energy together with the advective terms from
Expand All @@ -10,6 +11,8 @@ the [`CompressibleEulerEquations2D`](@ref).
- `Pr`: Prandtl number,
- `Ma_inf`: free-stream Mach number
- `equations`: instance of the [`CompressibleEulerEquations2D`](@ref)
- `gradient_variables`: which variables the gradients are taken with respect to.
Defaults to `GradientVariablesPrimitive()`.

The particular form of the compressible Navier-Stokes implemented is
```math
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