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sg3Dparticle_V5.py
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#--------------------------------------
# -*- coding: utf-8 -*-
#FiberReinforced-RVE Script
#--------------------------------------
## Import Section
#--------------------------------------
from textRepr import *
from abaqus import *
from abaqusConstants import *
from caeModules import *
import sketch
from math import *
def create3DsphericV5(model_name , fiber_flag,vf_f,interface_flag,t_interface,fiber_matname,matrix_matname,interface_matname,mesh_size,elem_type):
#fiber_flag=2
#vf_f=0.2
#interface_flag=2
#t_interface=0.0
#
#modelName='Model-1'
#model_name='Model-1'
#fiber_matname='inclusion'
#matrix_matname='matrix'
#interface_matname='interface'
#mesh_size=0.1
#elem_type = 'Linear'
#
#mesh_size=0.1
#meshSize=mesh_size
#mdb.Model(name=model_name, modelType=STANDARD_EXPLICIT)
#model = mdb.models[modelName]
#
##Define materials and Sections and assign them
##--------------------------------------
#
#Ef1 = 5.86100000E+10
#Ef2 = 1.44900000E+10
#Ef3 = 1.44900000E+10
#vf12 = 2.50000000E-01
#vf13 = 2.50000000E-01
#vf23 = 2.47000000E-01
#Gf12 = 5.38000000E+09
#Gf13 = 5.38000000E+09
#Gf23 = 5.80994000E+09
#
#Em = 3.45000000E+09
#vm = 3.70000000E-01
#
#Ei = 3.45000000E+09
#vi = 3.70000000E-01
#
#
#mdb.models[model_name].Material(name=fiber_matname)
#mdb.models[model_name].materials[fiber_matname].Elastic(type=ENGINEERING_CONSTANTS,
# table=((Ef1, Ef2, Ef3, vf12, vf13, vf23,
# Gf12, Gf13, Gf23), ))
##mdb.models[model_name].materials[fiber_matname].Elastic(table=((Ef, vf),))
#
#mdb.models[model_name].Material(name=matrix_matname)
#mdb.models[model_name].materials[matrix_matname].Elastic(table=((Em, vm),))
#
#mdb.models[model_name].Material(name=interface_matname)
#mdb.models[model_name].materials[interface_matname].Elastic(table=((Ei, vi),))
#
##********************************************************
#from material import createMaterialFromDataString
#
#createMaterialFromDataString('Model-1', 'Fiber', '6-13',
# """{'materialIdentifier': '', 'description': '', 'elastic': {'temperatureDependency': OFF, 'moduli': LONG_TERM, 'noCompression': OFF, 'noTension': OFF, 'dependencies': 0, 'table': ((58610000000.0, 14490000000.0, 14490000000.0, 0.25, 0.25, 0.247, 5380000000.0, 5380000000.0, 5809940000.0),), 'type': ENGINEERING_CONSTANTS}, 'name': 'Fiber'}""")
##: Material 'Fiber' has been copied to the current model.
#from material import createMaterialFromDataString
#createMaterialFromDataString('Model-1', 'Interface', '6-13',
# """{'materialIdentifier': '', 'description': '', 'elastic': {'temperatureDependency': OFF, 'moduli': LONG_TERM, 'noCompression': OFF, 'noTension': OFF, 'dependencies': 0, 'table': ((3450000000.0, 0.37),), 'type': ISOTROPIC}, 'name': 'Interface'}""")
##: Material 'Interface' has been copied to the current model.
#from material import createMaterialFromDataString
#createMaterialFromDataString('Model-1', 'Matrix', '6-13',
# """{'materialIdentifier': '', 'description': '', 'elastic': {'temperatureDependency': OFF, 'moduli': LONG_TERM, 'noCompression': OFF, 'noTension': OFF, 'dependencies': 0, 'table': ((3450000000.0, 0.37),), 'type': ISOTROPIC}, 'name': 'Matrix'}""")
##: Material 'Matrix' has been copied to the current model.
##********************************************************
#---------------------------------------------------------
part_name=['matrix','inclusion','interface']
part3DName='inclusionP3'
fiber_setname='Inclusion_section'
matrix_setname='Matrix_section'
interface_setname='Interphase_section'
partsobj=mdb.models[model_name].parts
# while part3DName in partsobj.keys():
# print 'The partName has existed, "partName_new" will be created.'
# part3DName=part3DName+ '_new'
# print part3DName
# for i in range(0,3):
# part_name[i] = part_name[i] + '_new'
# print part_name[i]
print '#-------part_name %s---------------------------' % part3DName
#------------------------------------------------------------------------------------
blockSize = 1.
quarterSize = 1./2*blockSize
mesh_size=0.1
meshSize=mesh_size
if elem_type == 'Linear':
elementType1 = C3D8
elementType2 = C3D4
elif elem_type == 'Quadratic':
elementType1 = C3D20
elementType2 = C3D10
#-------------------------------
totalVolume= blockSize*blockSize*blockSize
if fiber_flag==1 : #vf_f is volume fraction of the fiber
vof_fiber=vf_f
fiberRadius= blockSize*pow(3*vof_fiber/4/pi, 1.0/3.0)
elif fiber_flag==2 : #vf_f is radius of the fiber
fiberRadius=vf_f
vof_fiber=4.0/3.0*pi*fiberRadius**3
try:
if interface_flag==1 : #t_interface is volume fraction of the interface
vof_interface=t_interface
interfaceRadius= blockSize*pow(3*(vof_fiber+vof_interface)/4/pi, 1.0/3.0)
elif interface_flag==2 : #t_interface is thickness of the interface
interfaceRadius=fiberRadius+t_interface
vof_interface= 4.0/3.0*pi*(interfaceRadius**3-fiberRadius**3)
if interfaceRadius >= blockSize/2.0 :
False
except:
raise ValueError('The volume fraction of inclusion and interphase is out of range. Please adjust the values.')
print 'blockSize: %s' %blockSize
print 'totalVolume: %s' %totalVolume
print '#---fiber------------------------'
# print 'fiber_flag: %s' %fiber_flag
# print 'vf_f: %s' %vf_f
# print '#----------------------------'
print 'vof_inclusion: %s' %vof_fiber
print 'Inclusion Radius: %s' %fiberRadius
if t_interface>0.0:
print '#---interphase-------------------------'
# print 'interface_flag: %s' % str(interface_flag)
# print 't_interface=: %s' % str(t_interface)
# print '#----------------------------'
print 'vof_interphace: %s' %vof_interface
print 'interphase Radius: %s' %interfaceRadius
#--------------------------------------------------------------
#----------------------------------------------------------------------
#matrix
s = mdb.models[model_name].ConstrainedSketch(name='__profile__',
sheetSize=200.0)
g, v, d, c = s.geometry, s.vertices, s.dimensions, s.constraints
s.setPrimaryObject(option=STANDALONE)
s.rectangle(point1=(-0.5*blockSize, -0.5*blockSize), point2=(0.5*blockSize, 0.5*blockSize))
p = mdb.models[model_name].Part(name= part_name[0], dimensionality=THREE_D,
type=DEFORMABLE_BODY)
p = mdb.models[model_name].parts[ part_name[0]]
p.BaseSolidExtrude(sketch=s, depth=blockSize)
s.unsetPrimaryObject()
p = mdb.models[model_name].parts[ part_name[0]]
session.viewports['Viewport: 1'].setValues(displayedObject=p)
del mdb.models[model_name].sketches['__profile__']
mdb.models[model_name].HomogeneousSolidSection(name=matrix_setname,
material=matrix_matname, thickness=None)
#--------------------------------------
#inclusion
s1 = mdb.models[model_name].ConstrainedSketch(name='__profile__',
sheetSize=20.0)
g, v, d, c = s1.geometry, s1.vertices, s1.dimensions, s1.constraints
s1.setPrimaryObject(option=STANDALONE)
s1.ConstructionLine(point1=(0.0, -10.0), point2=(0.0, 10.0))
s1.FixedConstraint(entity=g[2])
s1.Line(point1=(0.0, -fiberRadius), point2=(0.0, fiberRadius))
s1.VerticalConstraint(entity=g[3], addUndoState=False)
s1.ArcByCenterEnds(center=(0.0, 0.0), point1=(0.0, fiberRadius), point2=(0.0, -fiberRadius),
direction=CLOCKWISE)
s1.CoincidentConstraint(entity1=v[2], entity2=g[3], addUndoState=False)
s1.EqualDistanceConstraint(entity1=v[0], entity2=v[1], midpoint=v[2],
addUndoState=False)
p = mdb.models[model_name].Part(name=part_name[1], dimensionality=THREE_D,
type=DEFORMABLE_BODY)
p = mdb.models[model_name].parts[part_name[1]]
p.BaseSolidRevolve(sketch=s1, angle=360.0, flipRevolveDirection=OFF)
s1.unsetPrimaryObject()
p = mdb.models[model_name].parts[part_name[1]]
session.viewports['Viewport: 1'].setValues(displayedObject=p)
del mdb.models[model_name].sketches['__profile__']
session.viewports['Viewport: 1'].partDisplay.setValues(sectionAssignments=ON,
engineeringFeatures=ON)
session.viewports['Viewport: 1'].partDisplay.geometryOptions.setValues(
referenceRepresentation=OFF)
mdb.models[model_name].HomogeneousSolidSection(name=fiber_setname,
material=fiber_matname, thickness=None)
#---------------------------------------------------
#--------------------------------------
#Interface
if t_interface>0:
s = mdb.models[model_name].ConstrainedSketch(name='__profile__', sheetSize=20.0)
g, v, d, c = s.geometry, s.vertices, s.dimensions, s.constraints
s.setPrimaryObject(option=STANDALONE)
s.ConstructionLine(point1=(0.0, -10.0), point2=(0.0, 10.0))
s.FixedConstraint(entity=g[2])
s.Line(point1=(0.0, -interfaceRadius), point2=(0.0, interfaceRadius))
s.VerticalConstraint(entity=g[3], addUndoState=False)
s.ArcByCenterEnds(center=(0.0, 0.0), point1=(0.0, interfaceRadius), point2=(0.0, -interfaceRadius),
direction=CLOCKWISE)
s.CoincidentConstraint(entity1=v[2], entity2=g[3], addUndoState=False)
s.EqualDistanceConstraint(entity1=v[0], entity2=v[1], midpoint=v[2],
addUndoState=False)
p = mdb.models[model_name].Part(name=part_name[2], dimensionality=THREE_D,
type=DEFORMABLE_BODY)
p = mdb.models[model_name].parts[part_name[2]]
p.BaseSolidRevolve(sketch=s, angle=360.0, flipRevolveDirection=OFF)
s.unsetPrimaryObject()
p = mdb.models[model_name].parts[part_name[2]]
session.viewports['Viewport: 1'].setValues(displayedObject=p)
del mdb.models[model_name].sketches['__profile__']
session.viewports['Viewport: 1'].partDisplay.setValues(sectionAssignments=ON,
engineeringFeatures=ON)
session.viewports['Viewport: 1'].partDisplay.geometryOptions.setValues(
referenceRepresentation=OFF)
mdb.models[model_name].HomogeneousSolidSection(name=interface_setname,
material=interface_matname, thickness=None)
#--------------------------------------------------------------------------
a = mdb.models[model_name].rootAssembly
session.viewports['Viewport: 1'].setValues(displayedObject=a)
session.viewports['Viewport: 1'].assemblyDisplay.setValues(
optimizationTasks=OFF, geometricRestrictions=OFF, stopConditions=OFF)
a = mdb.models[model_name].rootAssembly
a.DatumCsysByDefault(CARTESIAN)
p = mdb.models[model_name].parts[part_name[0]]
a.Instance(name=part_name[0]+'-1', part=p, dependent=ON)
a = mdb.models[model_name].rootAssembly
p = mdb.models[model_name].parts[part_name[1]]
a.Instance(name=part_name[1]+'-1', part=p, dependent=ON)
if t_interface>0:
a = mdb.models[model_name].rootAssembly
p = mdb.models[model_name].parts[part_name[2]]
a.Instance(name=part_name[2]+'-1', part=p, dependent=ON)
a.translate(instanceList=(part_name[0]+'-1', ), vector=(0.0, 0.0, -0.5*blockSize))
a1 = mdb.models[model_name].rootAssembly
if t_interface>0:
a1.InstanceFromBooleanMerge(name=part3DName,
instances=(a1.instances[part_name[0]+'-1'],
a1.instances[part_name[1]+'-1'],
a1.instances[part_name[2]+'-1'], ),
keepIntersections=ON,
originalInstances=SUPPRESS, domain=GEOMETRY)
for i in range(0,3):
del a1.features[part_name[i]+'-1']
del mdb.models[model_name].parts[part_name[i]]
elif t_interface==0:
a1.InstanceFromBooleanMerge(name=part3DName,
instances=(a1.instances[part_name[0]+'-1'],
a1.instances[part_name[1]+'-1'],
),
keepIntersections=ON,
originalInstances=SUPPRESS, domain=GEOMETRY)
for i in range(0,2):
del a1.features[part_name[i]+'-1']
del mdb.models[model_name].parts[part_name[i]]
elif t_interface<0:
raise ValueError( 'Interphase thickness should be equal or larger than zero.' )
#
##------------------------------------------
p = mdb.models[model_name].parts[part3DName]
c = p.cells
cells = c.findAt(((blockSize/2, 0.0,0.0),))
region = p.Set(cells=cells, name=matrix_setname)
p.SectionAssignment(region=region, sectionName=matrix_setname, offset=0.0,
offsetType=MIDDLE_SURFACE, offsetField='',
thicknessAssignment=FROM_SECTION)
session.journalOptions.setValues(replayGeometry=COORDINATE,recoverGeometry=COORDINATE)
cells = c.findAt(((0, 0, 0),))
cells
region = p.Set(cells=cells, name=fiber_setname)
p.SectionAssignment(region=region, sectionName=fiber_setname, offset=0.0,
offsetType=MIDDLE_SURFACE, offsetField='',
thicknessAssignment=FROM_SECTION)
if t_interface>0.0 :
Rr=(fiberRadius+interfaceRadius)/2.0
cells = c.findAt(((Rr, 0.0,0.0),))
cells
region = p.Set(cells=cells, name=interface_setname)
p.SectionAssignment(region=region, sectionName=interface_setname, offset=0.0,
offsetType=MIDDLE_SURFACE, offsetField='',
thicknessAssignment=FROM_SECTION)
#------------------------------------------------
#mesh
p = mdb.models[model_name].parts[part3DName]
c = p.cells
pickedRegions = c
p.setMeshControls(regions=pickedRegions, elemShape=TET, technique=FREE)
elemType1 = mesh.ElemType(elemCode=elementType1)
elemType2 = mesh.ElemType(elemCode=elementType2)
p = mdb.models[model_name].parts[part3DName]
c = p.cells
cells = c
pickedRegions =(cells, )
p.setElementType(regions=pickedRegions, elemTypes=(elemType1, elemType2))
p = mdb.models[model_name].parts[part3DName]
p.seedPart(size=mesh_size, deviationFactor=0.1, minSizeFactor=0.1)
p = mdb.models[model_name].parts[part3DName]
p.generateMesh()
#
a = mdb.models[model_name].rootAssembly
del a.features[part3DName+'-1']
#-----------------------------------------------------------------------
session.viewports['Viewport: 1'].assemblyDisplay.setValues(mesh=ON)
session.viewports['Viewport: 1'].assemblyDisplay.meshOptions.setValues(
meshTechnique=ON)
p = mdb.models[model_name].parts[part3DName]
session.viewports['Viewport: 1'].setValues(displayedObject=p)
session.viewports['Viewport: 1'].partDisplay.setValues(sectionAssignments=OFF,
engineeringFeatures=OFF, mesh=ON)
session.viewports['Viewport: 1'].partDisplay.meshOptions.setValues(
meshTechnique=ON)
return