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Handling gmsh global parameter for a gmsh ParallelMesh

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This commit is contained in:
yoann.audouin 2024-01-02 09:53:50 +01:00 committed by cesarconopoima
parent a33b1ed60e
commit b0b5c3242d
3 changed files with 57 additions and 36 deletions
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18
doc/examples/creating_parallel_gmsh_mesh.py
View File

@ -60,19 +60,13 @@ smesh = smeshBuilder.New()
print("Creating Parallel Mesh")
par_mesh = smesh.ParallelMesh(rubik_cube, name="par_mesh", mesher3D="GMSH")
print("Creating hypoehtesis for netgen")
NETGEN_3D_Parameters_1 = smesh.CreateHypothesisByAverageLength( 'NETGEN_Parameters',
'NETGENEngine', 34.641, 0 )
print("Creating hypoehtesis for gmsh")
GMSH_3D_Parameters_1 = smesh.CreateHypothesis( 'GMSH_Parameters',
'libGMSHEngine.so' )
GMSH_3D_Parameters_1.SetMaxSize(10)
GMSH_3D_Parameters_1.SetMinSize(0.141421)
print("Adding hypothesis")
par_mesh.AddGlobalHypothesis(NETGEN_3D_Parameters_1, mesher="GMSH" )
#Set here particular mesh parameters in 3D
for algo3d in par_mesh._algo3d:
param3d = algo3d.Parameters()
param3d.Set2DAlgo(0)
param3d.Set3DAlgo(0)
param3d.SetSmouthSteps(2)
param3d.SetSizeFactor(1.1)
par_mesh.AddGlobalHypothesis(GMSH_3D_Parameters_1)
print("Setting parallelism method")
par_mesh.SetParallelismMethod(smeshBuilder.MULTITHREAD)

3
src/SMESH_SWIG/mesher_launcher.py
View File

@ -111,7 +111,6 @@ def get_runner(mesher):
def run_local(args):
""" Simple Local run """
#TODO: Check on how to handle log for windows (through sp.check_output)
cmd = CMD_TEMPLATE.format(\
runner=get_runner(args.mesher),
mesher=args.mesher,
@ -122,8 +121,6 @@ def run_local(args):
new_element_file=args.new_element_file,
log_file=path.join(path.dirname(args.shape_file), "run.log"),
output_mesh_file=args.output_mesh_file)
print("Executing:")
print(cmd)
sp.check_output(cmd, shell=True, cwd=path.dirname(args.shape_file))
def run_pylauncher(args):

62
src/SMESH_SWIG/smeshBuilder.py
View File

@ -462,7 +462,7 @@ class smeshBuilder( SMESH._objref_SMESH_Gen, object ):
obj,name = name,obj
return Mesh(self, self.geompyD, obj, name)
def ParallelMesh(self, obj, name=0, split_geom=True, mesher2D="NETGEN", mesher3D="NETGEN"):
def ParallelMesh(self, obj, name=0, split_geom=True, mesher2D=None, mesher3D="NETGEN"):
"""
Create a parallel mesh.
@ -7550,6 +7550,32 @@ def _copy_gmsh_param(dim, local_param, global_param):
if dim==3:
local_param.SetMaxSize(global_param.GetMaxSize())
local_param.SetMinSize(global_param.GetMinSize())
local_param.Set3DAlgo(global_param.Get3DAlgo())
local_param.SetRecombineAll(global_param.GetRecombineAll())
local_param.SetSubdivAlgo(global_param.GetSubdivAlgo())
local_param.SetRemeshAlgo(global_param.GetRemeshAlgo())
local_param.SetRemeshPara(global_param.GetRemeshPara())
local_param.SetSmouthSteps(global_param.GetSmouthSteps())
local_param.SetSizeFactor(global_param.GetSizeFactor())
local_param.SetUseIncomplElem(global_param.GetUseIncomplElem())
local_param.SetMeshCurvatureSize(global_param.GetMeshCurvatureSize())
local_param.SetSecondOrder(global_param.GetSecondOrder())
local_param.SetIs2d(global_param.GetIs2d())
elif dim==2:
local_param.SetMaxSize(global_param.GetMaxSize())
local_param.SetMinSize(global_param.GetMinSize())
local_param.Set2DAlgo(global_param.Get2DAlgo())
local_param.SetRecomb2DAlgo(global_param.GetRecomb2DAlgo())
local_param.SetRecombineAll(global_param.GetRecombineAll())
local_param.SetSubdivAlgo(global_param.GetSubdivAlgo())
local_param.SetRemeshAlgo(global_param.GetRemeshAlgo())
local_param.SetRemeshPara(global_param.GetRemeshPara())
local_param.SetSmouthSteps(global_param.GetSmouthSteps())
local_param.SetSizeFactor(global_param.GetSizeFactor())
local_param.SetUseIncomplElem(global_param.GetUseIncomplElem())
local_param.SetMeshCurvatureSize(global_param.GetMeshCurvatureSize())
local_param.SetSecondOrder(global_param.GetSecondOrder())
local_param.SetIs2d(global_param.GetIs2d())
def _copy_netgen_param(dim, local_param, global_param):
"""
@ -7784,7 +7810,7 @@ class ParallelMesh(Mesh):
"""
Surcharge on Mesh for parallel computation of a mesh
"""
def __init__(self, smeshpyD, geompyD, geom, split_geom=True, name=0, mesher2D="NETGEN", mesher3D="NETGEN"):
def __init__(self, smeshpyD, geompyD, geom, split_geom=True, name=0, mesher2D=None, mesher3D="NETGEN"):
"""
Create a parallel mesh.
@ -7818,13 +7844,17 @@ class ParallelMesh(Mesh):
if split_geom:
self._all_faces, self._solids = _split_geom(geompyD, geom_obj)
order = []
if ( mesher2D == "NETGEN" ): #Default 2D mesher
if mesher3D == "NETGEN":
self._algo2d = self.Triangle(geom=geom_obj, algo="NETGEN_2D")
elif mesher3D == "GMSH":
self._algo2d = self.Triangle(geom=geom_obj, algo="GMSH_2D")
else:
raise ValueError("mesher3D should be either NETGEN or GMSH")
if ( mesher2D != "NETGEN" ):
#Means that we want to mesh face of solids in parallel and not the volume
if mesher2D is not None:
#Means that we want to mesh face of solids in parallel and not
#the volume
self._algo2d = []
#For the moment use AutomaticLength based on finesse
self._algo1d = self.Segment().AutomaticLength(0.1)
@ -7846,7 +7876,6 @@ class ParallelMesh(Mesh):
self._param = None
def GetNbSolids(self):
"""
Return the number of 3D solids
@ -7877,7 +7906,7 @@ class ParallelMesh(Mesh):
raise Exception("You need to set Parallelism method first (SetParallelismMethod)")
return self._param
def AddGlobalHypothesis(self, hyp, mesher="NETGEN"):
def AddGlobalHypothesis(self, hyp):
"""
Split hypothesis to apply it to all the submeshes:
- the 1D+2D
@ -7887,18 +7916,19 @@ class ParallelMesh(Mesh):
hyp: a hypothesis to assign
"""
if not isinstance(hyp, NETGENPlugin._objref_NETGENPlugin_Hypothesis):
raise ValueError("param must come from NETGENPlugin")
if isinstance(hyp, NETGENPlugin._objref_NETGENPlugin_Hypothesis):
copy_param = _copy_netgen_param
elif isinstance(hyp, GMSHPlugin._objref_GMSHPlugin_Hypothesis):
copy_param = _copy_gmsh_param
else:
raise ValueError("param must come from NETGENPlugin or GMSHPlugin")
param2d = self._algo2d.Parameters()
_copy_netgen_param(2, param2d, hyp)
copy_param(2, param2d, hyp)
for algo3d in self._algo3d:
param3d = algo3d.Parameters()
if ( mesher == "NETGEN" ):
_copy_netgen_param(3, param3d, hyp)
elif( mesher == "GMSH" ):
_copy_gmsh_param(3, param3d, hyp)
copy_param(3, param3d, hyp)
pass # End of ParallelMesh