Skip to content

Gauss-Legendre DGSEM: 1D Parabolic Convergence Test #2843

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ranocha merged 4 commits into from
Mar 3, 2026
Merged

Gauss-Legendre DGSEM: 1D Parabolic Convergence Test #2843

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
d67984d
Gauss-Legendre DGSEM: 1D Parabolic Non-Periodic Convergence Test
DanielDoehring Mar 3, 2026
0a9314a
gl
DanielDoehring Mar 3, 2026
95cf599
Apply suggestions from code review
DanielDoehring Mar 3, 2026
ba0c004
Merge branch 'main' into GL_Conv_1D_Para_NonPer
DanielDoehring Mar 3, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions src/solvers/dgsem_tree/dg_1d.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -398,7 +398,7 @@ end

function prolong2interfaces!(cache, u_or_flux_viscous,
mesh::TreeMesh{1}, equations,
dg::DG{<:GaussLegendreBasis})
dg::DGSEM{<:GaussLegendreBasis})
@unpack interfaces = cache
@unpack neighbor_ids = interfaces
@unpack boundary_interpolation = dg.basis
Expand Down Expand Up @@ -535,7 +535,7 @@ end

function prolong2boundaries!(cache, u_or_flux_viscous,
mesh::TreeMesh{1}, equations,
dg::DG{<:GaussLegendreBasis})
dg::DGSEM{<:GaussLegendreBasis})
@unpack boundaries = cache
@unpack neighbor_sides = boundaries
@unpack boundary_interpolation = dg.basis
Expand Down Expand Up @@ -698,7 +698,7 @@ end

function calc_surface_integral!(du, u, mesh::Union{TreeMesh{1}, StructuredMesh{1}},
equations, surface_integral::SurfaceIntegralWeakForm,
dg::DG{<:GaussLegendreBasis}, cache)
dg::DGSEM{<:GaussLegendreBasis}, cache)
@unpack boundary_interpolation_inverse_weights = dg.basis
@unpack surface_flux_values = cache.elements

Expand Down
6 changes: 3 additions & 3 deletions src/solvers/dgsem_tree/dg_2d.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -524,7 +524,7 @@ function prolong2interfaces!(cache, u, mesh::TreeMesh{2}, equations, dg::DG)
end

function prolong2interfaces!(cache, u, mesh::TreeMesh{2}, equations,
dg::DG{<:GaussLegendreBasis})
dg::DGSEM{<:GaussLegendreBasis})
@unpack interfaces = cache
@unpack orientations, neighbor_ids = interfaces
@unpack boundary_interpolation = dg.basis
Expand Down Expand Up @@ -701,7 +701,7 @@ end

function prolong2boundaries!(cache, u,
mesh::TreeMesh{2}, equations,
dg::DG{<:GaussLegendreBasis})
dg::DGSEM{<:GaussLegendreBasis})
@unpack boundaries = cache
@unpack orientations, neighbor_sides = boundaries
@unpack boundary_interpolation = dg.basis
Expand Down Expand Up @@ -1252,7 +1252,7 @@ function calc_surface_integral!(du, u,
mesh::Union{TreeMesh{2}, StructuredMesh{2},
StructuredMeshView{2}},
equations, surface_integral::SurfaceIntegralWeakForm,
dg::DG{<:GaussLegendreBasis}, cache)
dg::DGSEM{<:GaussLegendreBasis}, cache)
@unpack boundary_interpolation_inverse_weights = dg.basis
@unpack surface_flux_values = cache.elements

Expand Down
24 changes: 23 additions & 1 deletion test/test_parabolic_1d.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -289,6 +289,28 @@ end
@test_allocations(Trixi.rhs_parabolic!, semi, sol, 1000)
end

@trixi_testset "TreeMesh1D: elixir_navierstokes_convergence_walls.jl (Gauss-Legendre)" begin
@test_trixi_include(joinpath(EXAMPLES_DIR, "tree_1d_dgsem",
"elixir_navierstokes_convergence_walls.jl"),
solver=DGSEM(polydeg = 3, surface_flux = flux_hll,
basis_type = GaussLegendreBasis),
l2=[
4.201407214726233e-5,
9.758795848409044e-5,
0.00042000319972803127
],
linf=[
0.00015354693449309842,
0.00041974539800903807,
0.0016951216452660844
],
atol=1e-10)
# Ensure that we do not have excessive memory allocations
# (e.g., from type instabilities)
@test_allocations(Trixi.rhs!, semi, sol, 1000)
@test_allocations(Trixi.rhs_parabolic!, semi, sol, 1000)
end

@trixi_testset "TreeMesh1D: elixir_navierstokes_convergence_walls_amr.jl" begin
@test_trixi_include(joinpath(EXAMPLES_DIR, "tree_1d_dgsem",
"elixir_navierstokes_convergence_walls_amr.jl"),
Expand Down Expand Up @@ -355,7 +377,7 @@ end
@test_allocations(Trixi.rhs_parabolic!, semi, sol, 1000)
end

@trixi_testset "TreeMesh1D: elixir_navierstokes_viscous_shock.jl" begin
@trixi_testset "TreeMesh1D: elixir_navierstokes_viscous_shock.jl (Gauss-Legendre)" begin
@test_trixi_include(joinpath(EXAMPLES_DIR, "tree_1d_dgsem",
"elixir_navierstokes_viscous_shock.jl"),
solver=DGSEM(polydeg = 3, surface_flux = flux_hlle,
Expand Down
Loading