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trixi-framework · Oct 11, 2023 · a5ddabe · a5ddabe
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diff --git a/examples/tree_2d_dgsem/elixir_navierstokes_shearlayer_amr.jl b/examples/tree_2d_dgsem/elixir_navierstokes_shearlayer_amr.jl
@@ -65,6 +65,7 @@ analysis_callback = AnalysisCallback(semi, interval=analysis_interval)
 
 alive_callback = AliveCallback(analysis_interval=analysis_interval,)
 
+# This uses velocity-based AMR
 amr_indicator = IndicatorLöhner(semi, variable=v1)                                          
 amr_controller = ControllerThreeLevel(semi, amr_indicator,
                                       base_level = 3,

diff --git a/src/solvers/dgsem_tree/dg_2d_parabolic.jl b/src/solvers/dgsem_tree/dg_2d_parabolic.jl
@@ -515,6 +515,8 @@ function calc_boundary_flux_by_direction_divergence!(surface_flux_values::Abstra
     return nothing
 end
 
+# `cache` is the hyperbolic cache, i.e., in particular not `cache_parabolic`.
+# This is because mortar handling is done in the (hyperbolic) `cache`.
 function prolong2mortars!(cache, flux_viscous::Vector{Array{uEltype, 4}},
                           mesh::TreeMesh{2},
                           equations_parabolic::AbstractEquationsParabolic,

diff --git a/src/solvers/dgsem_tree/dg_3d_parabolic.jl b/src/solvers/dgsem_tree/dg_3d_parabolic.jl
@@ -598,6 +598,8 @@ function calc_boundary_flux_by_direction_divergence!(surface_flux_values::Abstra
     return nothing
 end
 
+# `cache` is the hyperbolic cache, i.e., in particular not `cache_parabolic`.
+# This is because mortar handling is done in the (hyperbolic) `cache`.
 function prolong2mortars!(cache,
                           flux_viscous::Vector{Array{uEltype, 5}},
                           mesh::TreeMesh{3},