smesh/test/netgen_runner.py
cconopoima a33b1ed60e [bos #38045][bos #38046] New SA versions of NETGEN and GMSH.
Add netgen_runner_test for 1D2D3D

add test for gmsh_runner

Improve test for netgen and gmsh. Add new versions in option mesher_launcher.py

Add test for Netgen2D SA version.

Test for Netgen 2D SA version.

Code cleanup.

Adapt mesher_launcher and add creating_parallel_gmsh_mesh.py test for Remote version of 3D GMSH.

test for parallel mesh for 2D using new netgen SA/Remote version. Add the possibility to export Mesh1D.med in SMESH_Gen.cxx at method parallelComputeSubMeshes. Modify the constructor of ParallelMesh class in smeshBuilder to handle 2D meshing in parallel.
2024-01-18 10:27:15 +00:00

140 lines
3.4 KiB
Python

#!/usr/bin/env python
import sys
import salome
salome.salome_init()
from os import path
import tempfile
import subprocess
import GEOM, SMESH, SALOMEDS
from salome.geom import geomBuilder
from salome.smesh import smeshBuilder
import math
smesh = smeshBuilder.New()
geompy = geomBuilder.New()
import medcoupling as mc
def create_param_file(param_file):
""" Create a parameter file for runner """
param = """1
34.64
0.14
16
0.15
1.5
0
0
1
5
1
1
-1
3
3
0.2
2
1
0
0
2
2
0
0
0
0"""
with open(param_file, "w") as ffile:
ffile.write(param)
def test_netgen3d():
""" Test netgen3d mesher """
# Building geometry
box = geompy.MakeBoxDXDYDZ(200, 200, 200)
geompy.ExtractShapes(box, geompy.ShapeType["FACE"], True)
groupe_1 = geompy.CreateGroup(box, geompy.ShapeType["FACE"] )
geompy.UnionIDs(groupe_1, [3, 13, 23, 27, 31, 33])
[_, _, _, _, _, _, groupe_1] = geompy.GetExistingSubObjects(box, False)
shape_faces = geompy.SubShapeAllSorted(box, geompy.ShapeType["FACE"])
oneFace = shape_faces[0]
# Creating 2D mesh
netgen_2d_parameters_1 = smesh.CreateHypothesisByAverageLength(
'NETGEN_Parameters_2D', 'NETGENEngine', 34.641, 0)
mesh_2d = smesh.Mesh(box, 'Maillage_1')
mesh_2d.AddHypothesis(box, netgen_2d_parameters_1)
mesh_2d.Triangle(algo=smeshBuilder.NETGEN_1D2D)
isDone = mesh_2d.Compute()
if not isDone:
raise Exception("Error when computing Mesh")
smesh.SetName(mesh_2d, 'Maillage_1')
with tempfile.TemporaryDirectory() as tmp_dir:
mesh_file = path.join(tmp_dir, "mesh.med")
shape_file = path.join(tmp_dir, "shape.step")
param_file = path.join(tmp_dir, "param.txt")
output_mesh = path.join(tmp_dir, "mesh3D.med")
print("Running in folder: ", tmp_dir)
create_param_file(param_file)
mesh_2d.ExportMED(mesh_file, 0, 41, 1, mesh_2d, 1, [], '', -1, 1)
geompy.ExportSTEP(box, shape_file, GEOM.LU_METER)
runner = path.join("${NETGENPLUGIN_ROOT_DIR}",
"bin",
"salome",
"NETGENPlugin_Runner")
if sys.platform == 'win32':
runner += ".exe"
cmd = "{runner} NETGEN3D {mesh_file} {shape_file} "\
"{param_file} NONE NONE {output_mesh}"\
.format(runner=runner,
mesh_file=mesh_file,
shape_file=shape_file,
param_file=param_file,
output_mesh=output_mesh)
print(cmd)
subprocess.check_call(cmd, shell=True)
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", 0)
nb_tetras = mesh_read.getNumberOfCellsWithType(mc.NORM_TETRA4)
nb_points = mesh_read.getNumberOfNodes()
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", -1)
nb_triangles = mesh_read.getNumberOfCellsWithType(mc.NORM_TRI3)
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", -2)
nb_segments = mesh_read.getNumberOfCellsWithType(mc.NORM_SEG2)
print("Nb Tetras:", nb_tetras)
print("Nb Triangles:", nb_triangles)
print("Nb Segments:", nb_segments)
print("Nb Points:", nb_points)
assert nb_points > 0
assert nb_segments > 0
assert nb_triangles > 0
assert nb_tetras > 0
if __name__ == "__main__":
if sys.platform == "win32":
print("Disabled on windows")
sys.exit(0)
test_netgen3d()