def toMesh(self, meshID=None):
if meshID == None:
meshID = self.filename
if meshID[-4:].lower() == '.inp': meshID = meshID[:-4]
for count, dict_elm in enumerate(self.__Element):
if len(self.__Element) < 2: importedMeshName = meshID
else: importedMeshName = meshID + str(count)
elm = self.__ConvertNode(dict_elm['ElementTable'])
Mesh(self.__NodeCoordinate,
elm,
dict_elm['ElementType'],
ID=importedMeshName)
#add set of nodes
for SetOfId, NodeIndexes in enumerate(self.__NodeSet):
Mesh.GetAll()[importedMeshName].AddSetOfNodes(
self.__ConvertNode(NodeIndexes), SetOfId)
ElementNumber = dict_elm['ElementNumber']
ConvertElementDict = dict(
zip(ElementNumber, list(range(0, len(ElementNumber)))))
ConvertElement = np.vectorize(ConvertElementDict.get) #function
for SetOfId, ElementIndexes in enumerate(self.__ElementSet):
Temp = ConvertElement(ElementIndexes)
Mesh.GetAll()[importedMeshName].AddSetOfElements(
Temp[Temp != None].astype(int), SetOfId)
def SetElementType(self, listElementType, listSubMesh=None):
"""
Define the Type of Element used for the finite element assembly of each subMesh
Example of available element type: 'lin2', 'beam', 'tri6', ...
PGD.Assembly.SetElementType([ElementType_1,...,ElementType_n ])
* ElementType_i is a list of ElementType cooresponding to the ith subMesh
(as defined in the constructor of the PGD.Mesh object related to the Assembly)
PGD.Assembly.SetElementType([ElementType_1,...,ElementType_n ], [subMesh_1,...,subMesh_n] )
* ElementType_i is a list of ElementType cooresponding to the mesh indicated in subMesh_i
* subMesh_i can be either a mesh ID (str object) or a Mesh object
* If a subMesh is not included in listSubMesh, the ElementType for assembly is not modified (based on the geometrical element shape by default)
"""
if listSubMesh is None:
if len(listElementType) != len(self.__Mesh.GetListMesh()):
assert 0, "The lenght of the Element Type List must be equal to the number of submeshes"
self.__listElementType = [
ElementType for ElementType in listElementType
]
self.__listNumberOfGaussPoints = [
GetDefaultNbPG(self.__listElementType[dd],
self.__Mesh.GetListMesh()[dd])
for dd in range(len(self.__listElementType))
] #Nb_pg for every subMesh defined in self.__Mesh (default value)
else:
for i, m in enumerate(listSubMesh):
if isinstance(m, str): m = MeshFEM.GetAll()[m]
dd = self.__Mesh.GetListMesh().index(m)
self.__listElementType[dd] = listElementType[i]
self.__listNumberOfGaussPoints[dd] = GetDefaultNbPG(
listElementType[i], m)
def __init__(self, weakForm, mesh="", ID=""):
#mesh should be of type PGD.Mesh
if isinstance(weakForm, str):
weakForm = WeakForm.GetAll()[weakForm]
if isinstance(mesh, str):
mesh = MeshFEM.GetAll()[mesh]
AssemblyBase.__init__(self, ID)
self.__weakForm = weakForm
self.__Mesh = mesh #should be a MeshPGD object
self.__listElementType = [
m.GetElementShape() for m in mesh.GetListMesh()
] #ElementType for every subMesh defined in self.__Mesh
self.__listNumberOfGaussPoints = [
GetDefaultNbPG(eltype) for eltype in self.__listElementType
] #Nb_pg for every subMesh defined in self.__Mesh (default value)
def __init__(self, weakForm, mesh="", elementType="", ID="", **kargs):
# t0 = time.time()
if isinstance(weakForm, str):
weakForm = WeakForm.GetAll()[weakForm]
if isinstance(mesh, str):
mesh = Mesh.GetAll()[mesh]
AssemblyBase.__init__(self, ID)
self.__MeshChange = kargs.pop('MeshChange', False)
self.__Mesh = mesh
self.__weakForm = weakForm
self.__elmType = elementType #.lower()
self.__nb_pg = kargs.pop('nb_pg', None)
if self.__nb_pg is None:
self.__nb_pg = GetDefaultNbPG(elementType, mesh)
#print('Finite element operator for Assembly "' + ID + '" built in ' + str(time.time()-t0) + ' seconds')
self.computeMatrixMethod = 'new'