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FEM: add some pre checks in the regard of FEM mesh

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Bernd Hahnebach 2016-08-01 21:56:28 +01:00 committed by wmayer
parent 1224d6e039
commit da91fded97
1 changed files with 20 additions and 0 deletions
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20
src/Mod/Fem/FemTools.py
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@ -257,6 +257,13 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
message += "Working directory \'{}\' doesn't exist.".format(self.working_dir)
if not self.mesh:
message += "No mesh object defined in the analysis\n"
if self.mesh:
if self.mesh.FemMesh.VolumeCount == 0 and self.mesh.FemMesh.FaceCount > 0:
message += "FEM mesh has no volume elements, either define a shell thicknesses or provide a FEM mesh with volume elements.\n"
if self.mesh.FemMesh.VolumeCount == 0 and self.mesh.FemMesh.FaceCount == 0 and self.mesh.FemMesh.EdgeCount > 0:
message += "FEM mesh has no volume and no shell elements, either define a beam section or provide a FEM mesh with volume elements.\n"
if self.mesh.FemMesh.VolumeCount == 0 and self.mesh.FemMesh.FaceCount == 0 and self.mesh.FemMesh.EdgeCount == 0:
message += "FEM mesh has neither volume nor shell or edge elements. Provide a FEM mesh with elements!\n"
if not self.materials:
message += "No material object defined in the analysis\n"
has_no_references = False
@ -272,12 +279,20 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
if not (self.force_constraints or self.pressure_constraints or self.selfweight_constraints):
message += "Neither constraint force nor constraint pressure or a constraint selfweight defined in the static analysis\n"
if self.beam_sections:
if self.shell_thicknesses:
# this needs to be checked only once either here or in shell_thicknesses
message += "Beam Sections and shell thicknesses in one analysis is not supported at the moment.\n"
has_no_references = False
for b in self.beam_sections:
if len(b['Object'].References) == 0:
if has_no_references is True:
message += "More than one beam section has an empty references list (Only one empty references list is allowed!).\n"
has_no_references = True
if self.mesh:
if self.mesh.FemMesh.FaceCount > 0 or self.mesh.FemMesh.VolumeCount > 0:
message += "Beam sections defined but FEM mesh has volume or shell elements.\n"
if self.mesh.FemMesh.EdgeCount == 0:
message += "Beam sections defined but FEM mesh has no edge elements.\n"
if self.shell_thicknesses:
has_no_references = False
for s in self.shell_thicknesses:
@ -285,6 +300,11 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
if has_no_references is True:
message += "More than one shell thickness has an empty references list (Only one empty references list is allowed!).\n"
has_no_references = True
if self.mesh:
if self.mesh.FemMesh.VolumeCount > 0:
message += "Shell thicknesses defined but FEM mesh has volume elements.\n"
if self.mesh.FemMesh.FaceCount == 0:
message += "Shell thicknesses defined but FEM mesh has no shell elements.\n"
return message
## Sets eigenmode parameters for CalculiX frequency analysis