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FEM: pre checks, check if constraint references are not empty

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Bernd Hahnebach
2017-07-01 17:41:11 +02:00
committed by wmayer
parent 7ca506c847
commit 5b9cd91ba8
1 changed files with 52 additions and 4 deletions
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56
src/Mod/Fem/FemTools.py
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@@ -356,7 +356,7 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
message += "FEM mesh has no volume and no shell elements, either define a beam/fluid 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"
# materials linear and nonlinear
# material linear and nonlinear
if not self.materials_linear:
message += "No material object defined in the analysis\n"
has_no_references = False
@@ -405,18 +405,64 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
has_nonlinear_material = True
else:
message += "At least two nonlinear materials use the same linear base material. Only one nonlinear material for each linear material allowed.\n"
# constraints
# which analysis needs which constraints
# no check in the regard of loads existence (constraint force, pressure, self weight) is done because an analysis without loads at all is an valid analysis too
if self.analysis_type == "static":
if not (self.fixed_constraints or self.displacement_constraints):
message += "Static analysis: Neither constraint fixed nor constraint displacement defined.\n"
# no check in the regard of loads (constraint force, pressure, self weight) is done because an analysis without loads at all is an valid analysis too
if self.analysis_type == "thermomech":
if not self.initialtemperature_constraints:
if not self.fluid_sections:
message += "Thermomechanical analysis: No initial temperature defined.\n"
if len(self.initialtemperature_constraints) > 1:
message += "Thermomechanical analysis: Only one initial temperature is allowed.\n"
# beam sections, fluid sections and shell thicknesses
# constraints
# fixed
if self.fixed_constraints:
for c in self.fixed_constraints:
if len(c['Object'].References) == 0:
message += "At least one constraint fixed has an empty reference.\n"
# displacement
if self.displacement_constraints:
for di in self.displacement_constraints:
if len(di['Object'].References) == 0:
message += "At least one constraint displacement has an empty reference.\n"
# plane rotation
if self.planerotation_constraints:
for c in self.planerotation_constraints:
if len(c['Object'].References) == 0:
message += "At least one constraint plane rotation has an empty reference.\n"
# contact
if self.contact_constraints:
for c in self.contact_constraints:
if len(c['Object'].References) == 0:
message += "At least one constraint contact has an empty reference.\n"
# transform
if self.transform_constraints:
for c in self.transform_constraints:
if len(c['Object'].References) == 0:
message += "At least one constraint transform has an empty reference.\n"
# pressure
if self.pressure_constraints:
for c in self.pressure_constraints:
if len(c['Object'].References) == 0:
message += "At least one constraint pressure has an empty reference.\n"
# force
if self.force_constraints:
for c in self.force_constraints:
if len(c['Object'].References) == 0:
message += "At least one constraint force has an empty reference.\n"
# temperature
if self.temperature_constraints:
for c in self.temperature_constraints:
if len(c['Object'].References) == 0:
message += "At least one constraint temperature has an empty reference.\n"
# heat flux
if self.heatflux_constraints:
for c in self.heatflux_constraints:
if len(c['Object'].References) == 0:
message += "At least one constraint heat flux has an empty reference.\n"
# beam section
if self.beam_sections:
if self.shell_thicknesses:
# this needs to be checked only once either here or in shell_thicknesses
@@ -435,6 +481,7 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
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"
# shell thickness
if self.shell_thicknesses:
has_no_references = False
for s in self.shell_thicknesses:
@@ -447,6 +494,7 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
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"
# fluid section
if self.fluid_sections:
if not self.selfweight_constraints:
message += "A fluid network analysis requires self weight constraint to be applied"