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FEM: nonlinear materials, solver CalculiX implementation

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Bernd Hahnebach
2016-09-25 19:36:52 +01:00
committed by Yorik van Havre
parent 708ccb68c5
commit 0546bba185
6 changed files with 42 additions and 19 deletions
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31
src/Mod/Fem/FemTools.py
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@@ -147,7 +147,8 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
self.mesh.ViewObject.applyDisplacement(displacement_factor)
def update_objects(self):
# [{'Object':materials}, {}, ...]
# [{'Object':materials_linear}, {}, ...]
# [{'Object':materials_nonlinear}, {}, ...]
# [{'Object':fixed_constraints, 'NodeSupports':bool}, {}, ...]
# [{'Object':force_constraints, 'NodeLoad':value}, {}, ...
# [{'Object':pressure_constraints, 'xxxxxxxx':value}, {}, ...]
@@ -161,10 +162,14 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
## @var mesh
# mesh of the analysis. Used to generate .inp file and to show results
self.mesh = None
## @var materials
# set of materials from the analysis. Updated with update_objects
## @var materials_linear
# set of linear materials from the analysis. Updated with update_objects
# Individual materials are "App::MaterialObjectPython" type
self.materials = []
self.materials_linear = []
## @var materials_nonlinear
# set of nonlinear materials from the analysis. Updated with update_objects
# Individual materials are Proxy.Type "FemMaterialMechanicalNonlinear"
self.materials_nonlinear = []
## @var fixed_constraints
# set of fixed constraints from the analysis. Updated with update_objects
# Individual constraints are "Fem::ConstraintFixed" type
@@ -240,9 +245,13 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
else:
raise Exception('FEM: Multiple mesh in analysis not yet supported!')
elif m.isDerivedFrom("App::MaterialObjectPython"):
material_dict = {}
material_dict['Object'] = m
self.materials.append(material_dict)
material_linear_dict = {}
material_linear_dict['Object'] = m
self.materials_linear.append(material_linear_dict)
elif hasattr(m, "Proxy") and m.Proxy.Type == "FemMaterialMechanicalNonlinear":
material_nonlinear_dict = {}
material_nonlinear_dict['Object'] = m
self.materials_nonlinear.append(material_nonlinear_dict)
elif m.isDerivedFrom("Fem::ConstraintFixed"):
fixed_constraint_dict = {}
fixed_constraint_dict['Object'] = m
@@ -329,16 +338,16 @@ class FemTools(QtCore.QRunnable, QtCore.QObject):
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"
# materials
if not self.materials:
# materials_linear
if not self.materials_linear:
message += "No material object defined in the analysis\n"
has_no_references = False
for m in self.materials:
for m in self.materials_linear:
if len(m['Object'].References) == 0:
if has_no_references is True:
message += "More than one material has an empty references list (Only one empty references list is allowed!).\n"
has_no_references = True
for m in self.materials:
for m in self.materials_linear:
mat_map = m['Object'].Material
if 'YoungsModulus' not in mat_map:
message += "No YoungsModulus defined for at least one material.\n"