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FEM: pre checks, do not allow youngs modulus and thermal conductivity (later for thermomech analysis) to be 0.0

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This commit is contained in:
Bernd Hahnebach 2017-01-13 21:01:49 +01:00
parent e441c2a2fd
commit eb9f1d0409
1 changed files with 13 additions and 5 deletions
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18
src/Mod/Fem/FemTools.py
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@ -307,6 +307,7 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
self.shell_thicknesses.append(shell_thickness_dict) self.shell_thicknesses.append(shell_thickness_dict)
def check_prerequisites(self): def check_prerequisites(self):
import Units
message = "" message = ""
# analysis # analysis
if not self.analysis: if not self.analysis:
@ -352,20 +353,27 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
has_no_references = True has_no_references = True
for m in self.materials_linear: for m in self.materials_linear:
mat_map = m['Object'].Material mat_map = m['Object'].Material
if 'YoungsModulus' not in mat_map: if 'YoungsModulus' in mat_map:
# print Units.Quantity(mat_map['YoungsModulus']).Value
if not Units.Quantity(mat_map['YoungsModulus']).Value:
message += "Value of YoungsModulus is set to 0.0.\n"
else:
message += "No YoungsModulus defined for at least one material.\n" message += "No YoungsModulus defined for at least one material.\n"
if 'PoissonRatio' not in mat_map: if 'PoissonRatio' not in mat_map:
message += "No PoissonRatio defined for at least one material.\n" message += "No PoissonRatio defined for at least one material.\n" # PoissonRatio is allowed to be 0.0 (in ccx), but it should be set anyway.
if self.analysis_type == "frequency" or self.selfweight_constraints: if self.analysis_type == "frequency" or self.selfweight_constraints:
if 'Density' not in mat_map: if 'Density' not in mat_map:
message += "No Density defined for at least one material.\n" message += "No Density defined for at least one material.\n"
if self.analysis_type == "thermomech": if self.analysis_type == "thermomech":
if 'ThermalConductivity' not in mat_map: if 'ThermalConductivity' in mat_map:
if not Units.Quantity(mat_map['ThermalConductivity']).Value:
message += "Value of ThermalConductivity is set to 0.0.\n"
else:
message += "Thermomechanical analysis: No ThermalConductivity defined for at least one material.\n" message += "Thermomechanical analysis: No ThermalConductivity defined for at least one material.\n"
if 'ThermalExpansionCoefficient' not in mat_map: if 'ThermalExpansionCoefficient' not in mat_map:
message += "Thermomechanical analysis: No ThermalExpansionCoefficient defined for at least one material.\n" message += "Thermomechanical analysis: No ThermalExpansionCoefficient defined for at least one material.\n" # allowed to be 0.0 (in ccx)
if 'SpecificHeat' not in mat_map: if 'SpecificHeat' not in mat_map:
message += "Thermomechanical analysis: No SpecificHeat defined for at least one material.\n" message += "Thermomechanical analysis: No SpecificHeat defined for at least one material.\n" # allowed to be 0.0 (in ccx)
for m in self.materials_linear: for m in self.materials_linear:
has_nonlinear_material = False has_nonlinear_material = False
for nlm in self.materials_nonlinear: for nlm in self.materials_nonlinear: