Merge branch 'main' into swe_separation

Author: patrickersing

src/equations/compressible_euler_2d.jl

@@ -294,7 +294,7 @@ Details about the 1D pressure Riemann solution can be found in Section 6.3.3 of
   3rd edition
   [DOI: 10.1007/b79761](https://doi.org/10.1007/b79761)
 
-Should be used together with [`UnstructuredMesh2D`](@ref).
+Should be used together with [`UnstructuredMesh2D`](@ref) or [`P4estMesh`](@ref).
 """
 @inline function boundary_condition_slip_wall(u_inner, normal_direction::AbstractVector,
                                               x, t,

src/equations/compressible_euler_3d.jl

@@ -285,6 +285,8 @@ Details about the 1D pressure Riemann solution can be found in Section 6.3.3 of
   Riemann Solvers and Numerical Methods for Fluid Dynamics: A Practical Introduction
   3rd edition
   [DOI: 10.1007/b79761](https://doi.org/10.1007/b79761)
+
+Should be used together with [`P4estMesh`](@ref).
 """
 @inline function boundary_condition_slip_wall(u_inner, normal_direction::AbstractVector,
                                               x, t,

src/equations/compressible_navier_stokes.jl

@@ -2,10 +2,12 @@
 """
     struct BoundaryConditionNavierStokesWall
 
-Creates a wall-type boundary conditions for the compressible Navier-Stokes equations.
+Creates a wall-type boundary conditions for the compressible Navier-Stokes equations, see
+[`CompressibleNavierStokesDiffusion1D`](@ref), [`CompressibleNavierStokesDiffusion2D`](@ref), and
+[`CompressibleNavierStokesDiffusion3D`](@ref).
 The fields `boundary_condition_velocity` and `boundary_condition_heat_flux` are intended
-to be boundary condition types such as the `NoSlip` velocity boundary condition and the
-`Adiabatic` or `Isothermal` heat boundary condition.
+to be boundary condition types such as the [`NoSlip`](@ref) velocity boundary condition and the
+[`Adiabatic`](@ref) or [`Isothermal`](@ref) heat boundary condition.
 """
 struct BoundaryConditionNavierStokesWall{V, H}
     boundary_condition_velocity::V
@@ -15,10 +17,10 @@ end
 """
     struct NoSlip
 
-Use to create a no-slip boundary condition with `BoundaryConditionNavierStokesWall`. The field `boundary_value_function`
-should be a function with signature `boundary_value_function(x, t, equations)`
-and should return a `SVector{NDIMS}` whose entries are the velocity vector at a
-point `x` and time `t`.
+Use to create a no-slip boundary condition with [`BoundaryConditionNavierStokesWall`](@ref). 
+The field `boundary_value_function` should be a function with signature 
+`boundary_value_function(x, t, equations)` and return a `SVector{NDIMS}` 
+whose entries are the velocity vector at a point `x` and time `t`.
 """
 struct NoSlip{F}
     boundary_value_function::F # value of the velocity vector on the boundary