def processSystemSettings(self):
system_settings = self.settings['system']
system_settings['FoamRuntime'] = CfdTools.getFoamRuntime()
system_settings['CasePath'] = self.case_folder
system_settings['FoamPath'] = CfdTools.getFoamDir()
if CfdTools.getFoamRuntime() != 'WindowsDocker':
system_settings['TranslatedFoamPath'] = CfdTools.translatePath(
CfdTools.getFoamDir())
def setDownloadURLs(self):
if self.testGetRuntime() == "MinGW":
# Temporarily apply the foam dir selection
CfdTools.setFoamDir(self.foam_dir)
foam_ver = os.path.split(CfdTools.getFoamDir())[-1]
self.form.le_cfmesh_url.setText(CFMESH_URL_MINGW.format(foam_ver))
self.form.le_hisa_url.setText(HISA_URL_MINGW.format(foam_ver))
CfdTools.setFoamDir(self.initial_foam_dir)
else:
self.form.le_cfmesh_url.setText(CFMESH_URL)
self.form.le_hisa_url.setText(HISA_URL)
def writeMeshCase(self):
""" Collect case settings, and finally build a runnable case. """
CfdTools.cfdMessage(
"Populating mesh dictionaries in folder {}\n".format(
self.meshCaseDir))
# cfMesh settings
if self.mesh_obj.MeshUtility == "cfMesh":
self.cf_settings['ClMax'] = self.clmax * self.scale
if len(self.cf_settings['BoundaryLayers']) > 0:
self.cf_settings['BoundaryLayerPresent'] = True
else:
self.cf_settings['BoundaryLayerPresent'] = False
if len(self.cf_settings["InternalRegions"]) > 0:
self.cf_settings['InternalRefinementRegionsPresent'] = True
else:
self.cf_settings['InternalRefinementRegionsPresent'] = False
# SnappyHexMesh settings
elif self.mesh_obj.MeshUtility == "snappyHexMesh":
bound_box = self.part_obj.Shape.BoundBox
bC = 5 # Number of background mesh buffer cells
x_min = (bound_box.XMin - bC * self.clmax) * self.scale
x_max = (bound_box.XMax + bC * self.clmax) * self.scale
y_min = (bound_box.YMin - bC * self.clmax) * self.scale
y_max = (bound_box.YMax + bC * self.clmax) * self.scale
z_min = (bound_box.ZMin - bC * self.clmax) * self.scale
z_max = (bound_box.ZMax + bC * self.clmax) * self.scale
cells_x = int(math.ceil(bound_box.XLength / self.clmax) + 2 * bC)
cells_y = int(math.ceil(bound_box.YLength / self.clmax) + 2 * bC)
cells_z = int(math.ceil(bound_box.ZLength / self.clmax) + 2 * bC)
snappy_settings = self.snappy_settings
snappy_settings['BlockMesh'] = {
"xMin": x_min,
"xMax": x_max,
"yMin": y_min,
"yMax": y_max,
"zMin": z_min,
"zMax": z_max,
"cellsX": cells_x,
"cellsY": cells_y,
"cellsZ": cells_z
}
if len(self.snappy_settings['BoundaryLayers']) > 0:
self.snappy_settings['BoundaryLayerPresent'] = True
else:
self.snappy_settings['BoundaryLayerPresent'] = False
if self.mesh_obj.ImplicitEdgeDetection:
snappy_settings['ImplicitEdgeDetection'] = True
else:
snappy_settings['ImplicitEdgeDetection'] = False
inside_x = Units.Quantity(
self.mesh_obj.PointInMesh.get('x')).Value * self.scale
inside_y = Units.Quantity(
self.mesh_obj.PointInMesh.get('y')).Value * self.scale
inside_z = Units.Quantity(
self.mesh_obj.PointInMesh.get('z')).Value * self.scale
shape_patch_names_list = []
for k in range(len(self.patch_faces)):
for j in range(len(self.patch_faces[k])):
if len(self.patch_faces[k][j]):
shape_patch_names_list.append(self.patch_names[k][j])
snappy_settings['ShapePatchNames'] = tuple(shape_patch_names_list)
snappy_settings[
'EdgeRefinementLevel'] = CfdTools.relLenToRefinementLevel(
self.mesh_obj.EdgeRefinement)
snappy_settings['PointInMesh'] = \
{
"x": inside_x,
"y": inside_y,
"z": inside_z
}
snappy_settings[
'CellsBetweenLevels'] = self.mesh_obj.CellsBetweenLevels
if len(self.snappy_settings["InternalRegions"]) > 0:
self.snappy_settings['InternalRefinementRegionsPresent'] = True
else:
self.snappy_settings[
'InternalRefinementRegionsPresent'] = False
# GMSH settings
elif self.mesh_obj.MeshUtility == "gmsh":
exe = CfdTools.getGmshExecutable()
self.gmsh_settings['Executable'] = CfdTools.translatePath(exe)
self.gmsh_settings['HasLengthMap'] = False
if self.ele_length_map:
self.gmsh_settings['HasLengthMap'] = True
self.gmsh_settings['LengthMap'] = self.ele_length_map
self.gmsh_settings['NodeMap'] = {}
for e in self.ele_length_map:
ele_nodes = (''.join(
(str(n + 1) + ', ')
for n in self.ele_node_map[e])).rstrip(', ')
self.gmsh_settings['NodeMap'][e] = ele_nodes
self.gmsh_settings['ClMax'] = self.clmax
self.gmsh_settings['ClMin'] = self.clmin
sols = (''.join(
(str(n + 1) + ', ')
for n in range(len(self.mesh_obj.Part.Shape.Solids)))
).rstrip(', ')
self.gmsh_settings['Solids'] = sols
self.gmsh_settings['BoundaryFaceMap'] = {}
for k in range(len(self.patch_faces)):
for l in range(len(self.patch_faces[k])):
patch_faces = self.patch_faces[k][l]
patch_name = self.patch_names[k][l]
if len(patch_faces):
self.gmsh_settings['BoundaryFaceMap'][
patch_name] = ', '.join(
str(fi + 1) for fi in patch_faces)
# Perform initialisation here rather than __init__ in case of path changes
self.template_path = os.path.join(CfdTools.getModulePath(), "Data",
"Templates", "mesh")
mesh_region_present = False
if self.mesh_obj.MeshUtility == "cfMesh" and len(self.cf_settings['MeshRegions']) > 0 or \
self.mesh_obj.MeshUtility == "snappyHexMesh" and len(self.snappy_settings['MeshRegions']) > 0:
mesh_region_present = True
self.settings = {
'Name': self.part_obj.Name,
'MeshPath': self.meshCaseDir,
'FoamRuntime': CfdTools.getFoamRuntime(),
'MeshUtility': self.mesh_obj.MeshUtility,
'MeshRegionPresent': mesh_region_present,
'CfSettings': self.cf_settings,
'SnappySettings': self.snappy_settings,
'GmshSettings': self.gmsh_settings,
'ExtrusionSettings': self.extrusion_settings,
'ConvertToDualMesh': self.mesh_obj.ConvertToDualMesh
}
if CfdTools.getFoamRuntime() != 'WindowsDocker':
self.settings['TranslatedFoamPath'] = CfdTools.translatePath(
CfdTools.getFoamDir())
if self.mesh_obj.NumberOfProcesses <= 1:
self.settings['ParallelMesh'] = False
self.settings['NumberOfProcesses'] = 1
else:
self.settings['ParallelMesh'] = True
self.settings[
'NumberOfProcesses'] = self.mesh_obj.NumberOfProcesses
self.settings['NumberOfThreads'] = self.mesh_obj.NumberOfThreads
TemplateBuilder(self.meshCaseDir, self.template_path, self.settings)
# Update Allmesh permission - will fail silently on Windows
fname = os.path.join(self.meshCaseDir, "Allmesh")
import stat
s = os.stat(fname)
os.chmod(fname, s.st_mode | stat.S_IEXEC)
self.analysis.NeedsMeshRewrite = False
CfdTools.cfdMessage(
"Successfully wrote meshCase to folder {}\n".format(
self.meshCaseDir))