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More options for gen_rectangle_mesh #79

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merged 3 commits into from
May 2, 2024
Merged

More options for gen_rectangle_mesh #79

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71e81d0
wip gen_rectangle_mesh
ghislainb Apr 24, 2024
529c01a
cleaning
ghislainb May 2, 2024
ba58f12
bmxam suggestions
ghislainb May 2, 2024
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24 changes: 19 additions & 5 deletions src/mesh/gmsh_utils.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -334,6 +334,9 @@
order = 1,
bnd_names = ("North", "South", "East", "West"),
n_partitions = 0,
write_geo = false,
transfinite_lines = true,
lc = 1e-1,
kwargs...
)

Expand All @@ -355,6 +358,9 @@
order = 1,
bnd_names = ("North", "South", "East", "West"),
n_partitions = 0,
write_geo = false,
transfinite_lines = true,
lc = 1e-1,
kwargs...,
)
# North
Expand All @@ -366,7 +372,6 @@
# South
gmsh.initialize()
_apply_gmsh_options(; kwargs...)
lc = 1e-1

# Points
A = gmsh.model.geo.addPoint(xc - lx / 2, yc - ly / 2, 0, lc)
Expand All @@ -387,10 +392,12 @@
surf = gmsh.model.geo.addPlaneSurface([ABCD])

# Mesh settings
gmsh.model.geo.mesh.setTransfiniteCurve(AB, nx)
gmsh.model.geo.mesh.setTransfiniteCurve(BC, ny)
gmsh.model.geo.mesh.setTransfiniteCurve(CD, nx)
gmsh.model.geo.mesh.setTransfiniteCurve(DA, ny)
if transfinite_lines
gmsh.model.geo.mesh.setTransfiniteCurve(AB, nx)
gmsh.model.geo.mesh.setTransfiniteCurve(BC, ny)
gmsh.model.geo.mesh.setTransfiniteCurve(CD, nx)
gmsh.model.geo.mesh.setTransfiniteCurve(DA, ny)
end

(transfinite || type == :quad) && gmsh.model.geo.mesh.setTransfiniteSurface(surf)
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Expand All @@ -417,7 +424,13 @@
gmsh.model.mesh.partition(n_partitions)

# Write result
rm(output; force = true)
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gmsh.write(output)
if write_geo
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output_geo = first(splitext(output)) * ".geo_unrolled"
rm(output_geo; force = true)
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gmsh.write(output_geo)

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end

# End
gmsh.finalize()
Expand Down Expand Up @@ -1340,6 +1353,7 @@
nodes_gmsh2cgns(e::Type{Quad4_t}) = nodes(e) #same numbering between CGNS and Gmsh
nodes_gmsh2cgns(e::Type{Quad8_t}) = nodes(e) #same numbering between CGNS and Gmsh
nodes_gmsh2cgns(e::Type{Quad9_t}) = nodes(e) #same numbering between CGNS and Gmsh
nodes_gmsh2cgns(e::Type{Quad16_t}) = nodes(e) #same numbering between CGNS and Gmsh
nodes_gmsh2cgns(e::Type{Tetra4_t}) = nodes(e) #same numbering between CGNS and Gmsh
nodes_gmsh2cgns(e::Type{Tetra10_t}) = nodes(e) #same numbering between CGNS and Gmsh
nodes_gmsh2cgns(e::Type{Hexa8_t}) = nodes(e) #same numbering between CGNS and Gmsh
Expand Down
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