def createAnalysisFromSipExport(param):
## IMPORT FILE
mdb.ModelFromInputFile(inputFileName=param['sipInpFile'], name=param['modelName'])
abaqusTools.deleteDefaultModel()
## SHORTCUTS
myModel = mdb.models[param['modelName']]
myPart = myModel.parts['PART-1']
myAssembly = myModel.rootAssembly
myInstance = myAssembly.instances['PART-1-1']
mySets = myAssembly.sets
## STEP CREATION
nlGeom = OFF
if param['nlgeom']:
nlGeom = ON
if param['matType'] == 'Hooke':
initInc = .05
maxInc = .15
else:
initInc = .01
maxInc = .1
if 'Contact' in param['sipInpFile']:
initInc = 1e-4
maxInc = .1
minInc = min(initInc,maxInc)/1000.
myModel.StaticStep(initialInc=initInc ,timePeriod=param['timePeriod'], maxInc=maxInc, minInc=minInc, name='displ', nlgeom=nlGeom, previous='Initial',maxNumInc=10000)
## ELEMENT INTEGRATION (to ensure hourglass control and hybrid integration - may not be needed!!)
elemType1 = mesh.ElemType(elemCode=C3D8RH, elemLibrary=STANDARD, hourglassControl=ENHANCED)
elemType2 = mesh.ElemType(elemCode=C3D4, elemLibrary=STANDARD)
myPart.setElementType(regions=(myPart.elements,), elemTypes=(elemType1, elemType2))
directions = list()
matNames = list()
for i,p in enumerate(param['parts']):
## MATERIALS
mat = 'PM_'+p
allMats = myModel.materials
if allMats.has_key(mat):
myMat = myModel.materials[mat]
else:continue
E,nu = getEandNu(param['holzapfelParameters'])
if 'BRIDGES' in mat:
if param['nlgeom']:
myMat.Hyperelastic(testData=OFF,table=((6*(1-2.*0.45)/0.4,0.4/(4*(1.+0.45))),),materialType=ISOTROPIC,type=NEO_HOOKE,behaviorType=COMPRESSIBLE)
else: myMat.Elastic(table=((0.4, 0.45), ))
elif param['matType'] == 'Hooke':
myMat.Elastic(table=((E, nu), ))
elif param['matType'] == 'neoHooke':
if param['holzapfelParameters'][1]==0.:# incompressible
myMat.Hyperelastic(testData=OFF,table=((E/(4*(1.+nu)),6*(1-2.*nu)/E),),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=INCOMPRESSIBLE)
else:
myMat.Hyperelastic(testData=OFF,table=((E/(4*(1.+nu)),6*(1-2.*nu)/E),),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=COMPRESSIBLE)
elif param['matType'] == 'Holzapfel':
if param['holzapfelParameters'][1]==0.:# incompressible
myMat.Hyperelastic(table=(param['holzapfelParameters'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=INCOMPRESSIBLE,localDirections=1)
else:
myMat.Hyperelastic(table=(param['holzapfelParameters'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=1)
if 'SECTIONED' in mat:
fibreAngle = 2.*param['fiberOrientation']
else:
fibreAngle = 0.
region = myPart.sets['PT_'+p]
myPart.MaterialOrientation(region=region, orientationType=SYSTEM, localCsys=None)
directions.append((0.,math.sin(fibreAngle),math.cos(fibreAngle)))
matNames.append(mat)
##BC'S
dMin = 'NS_%s_WITH_%sMIN'%(p,param['loadDirection'])
if mySets.has_key(dMin):
myModel.PinnedBC(createStepName='displ', localCsys=None, name='fix_%d'%(i), region=mySets[dMin])
dMax = 'NS_%s_WITH_%sMAX'%(p,param['loadDirection'])
if mySets.has_key(dMax):
if param['loadDirection'] == 'X':
myModel.DisplacementBC(createStepName='displ', localCsys=None, name='mov_%d'%(i), region=mySets[dMax], u1=param['displ'])
elif param['loadDirection'] == 'Y':
myModel.DisplacementBC(createStepName='displ', localCsys=None, name='mov_%d'%(i), region=mySets[dMax], u2=param['displ'])
elif param['loadDirection'] == 'Z':
myModel.DisplacementBC(createStepName='displ', localCsys=None, name='mov_%d'%(i), region=mySets[dMax], u3=param['displ'])
##CONSTRAINTS - same for all interfaces - could be changed depending on the interface name!!
if 'Contact' in param['sipInpFile']:
for interactionName in myModel.interactionProperties.keys():
from abaqusPythonTools.interactions import Interactions
inter = Interactions(myModel)
inter.setName(interactionName)
if param['interfaceType'] == 'Tie':
masterRegion = myModel.interactions[interactionName+'-1'].master[0]
slaveRegion = myModel.interactions[interactionName+'-1'].slave[0]
del myModel.interactions[interactionName+'-1']
del myModel.interactionProperties[interactionName]
inter.setMasterSlave(masterRegion,slaveRegion)
inter.setInteractionToTie()
elif param['interfaceType'] == 'Friction':
inter.setFrictionBehaviour('Friction')
elif param['interfaceType'] == 'Cohesive':
inter.setCohesiveBehaviour()
inter.changeInteraction()
## OUTPUT REQUESTS
fieldVariable = ('S', 'LE', 'U', 'RT', 'P', 'CSTRESS', 'CDISP', 'CFORCE')
myModel.fieldOutputRequests['F-Output-1'].setValues(variables=fieldVariable)
## RESTART DEF
if param['allowRestart']:
myModel.steps['displ'].Restart(numberIntervals=5,timeMarks=OFF,overlay=ON)
## JOB
from abaqusPythonTools.jobCreation import JobDefinition
myJobDef = JobDefinition(param['modelName'])
myJobDef.setScratchDir(param['scratchDir'])
if param['matType'] == 'Holzapfel':
myJobDef.setToFibrous()
myJobDef.fibreDirections(directions)
myJobDef.setFibreInputType('fromSip')
myJobDef.setMatNames(matNames)
myNewJob = myJobDef.create()
if param['numCpus']>1:
myNewJob.setValues(numCpus=param['numCpus'],numDomains=param['numCpus'],multiprocessingMode=DEFAULT)
mdb.saveAs(param['modelName'])
##
return myNewJob,mdb
def createAnalysisPartionedCuboid(param):
dH = param['h']/param['nbParts']
m = mdb.Model(param['modelName'])
directions = list()
matNames = list()
a = m.rootAssembly
s = m.ConstrainedSketch(name='__profile__', sheetSize=200.0)
s.setPrimaryObject(option=STANDALONE)
s.rectangle(point1=(param['l1'],0.), point2=(0.,param['l2']))
p = m.Part(name='Part-1', dimensionality=THREE_D, type=DEFORMABLE_BODY)
p.BaseSolidExtrude(sketch=s, depth=param['h'])
s.unsetPrimaryObject()
for cube in range(param['nbParts']-1):
z0 = cube*dH
middlePt = (param['l1']/3.,param['l2']/3.,z0+dH/3.)
pt1 = p.DatumPointByCoordinate(coords=(0.,0.,z0+dH))
pt2 = p.DatumPointByCoordinate(coords=(0.,param['l2']/3.,z0+dH))
pt3 = p.DatumPointByCoordinate(coords=(param['l1']/3.,0.,z0+dH))
pickedCells = p.cells.findAt((middlePt,))
p.PartitionCellByPlaneThreePoints(cells=pickedCells, point1=p.datums[pt1.id], point2=p.datums[pt2.id], point3=p.datums[pt3.id])
p.seedPart(size=param['seedSize'])
p.generateMesh()
elType = mesh.ElemType(C3D8R, hourglassControl=ENHANCED)
p.setElementType((p.cells,), (elType,))
i = a.Instance(name=p.name+'-1', part=p, dependent=ON)
upperFaces = list()
lowerFaces = list()
for cube in range(param['nbParts']):
sectionName = 'section_%i'%cube
matName = 'mat_%i'%cube
z0 = cube*dH
middlePt = (param['l1']/3.,param['l2']/3.,z0+dH/3.)
pickedCells2 = p.cells.findAt((middlePt,))
# create material
myMat = m.Material(name=matName)
if isinstance(param['holzapfelParameters'],list) and len(param['holzapfelParameters']) == param['nbParts']: matParam = param['holzapfelParameters'][cube]
elif len(param['holzapfelParameters']) == 5: matParam = param['holzapfelParameters']
else: raise("parameter 'holzapfelParameters' of unknown type or wrong length")
E,nu = getEandNu(matParam)
if not param['stupidMaterial']:
if matParam[1]==0.: myMat.Hyperelastic(table=(matParam,),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL ,behaviorType=INCOMPRESSIBLE,localDirections=1)
else: myMat.Hyperelastic(table=(matParam,),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL ,behaviorType=COMPRESSIBLE,localDirections=1)
if isinstance(param['fiberDirection'],list) and len(param['fiberDirection']) == param['nbParts']: fibreAngle = param['fiberDirection'][cube]
elif isinstance(param['fiberDirection'],float): fibreAngle = param['fiberDirection']
else: raise("parameter 'fiberDirection' of unknown type or wrong length")
directions.append((math.cos(fibreAngle),math.sin(fibreAngle),0.))
matNames.append(matName)
else:
if matParam[1]==0.: myMat.Hyperelastic(testData=OFF,table=((E/(4*(1.+nu)),0.),),materialType=ISOTROPIC,type=NEO_HOOKE,behaviorType=INCOMPRESSIBLE)
else: myMat.Hyperelastic(testData=OFF,table=((E/(4*(1.+nu)),6*(1-2.*nu)/E),),materialType=ISOTROPIC,type=NEO_HOOKE,behaviorType=COMPRESSIBLE)
abaqusTools.assignMaterialToPartition(matName,p,sectionName,pickedCells2,m)
upperFacePoint = (param['l1']/3.,param['l2'],z0+dH/3.)
upperFaces.append(i.faces.findAt((upperFacePoint,) ))
lowerFacePoint = (param['l1']/3.,0.,z0+dH/3.)
lowerFaces.append(i.faces.findAt((lowerFacePoint,) ))
innerPt = (param['l1']/3.,param['l2']/3.,0.)
innerFace = i.faces.findAt((innerPt,))
innerSet = a.Set(faces=innerFace, name='innerFace')
outerPt = (param['l1']/3.,param['l2']/3.,z0+dH)
outerFace = i.faces.findAt((outerPt,))
outerSet = a.Set(faces=outerFace, name='outerFace')
lowerSet = tuple(lowerFaces)
a.Set(faces=lowerSet, name='lowerFace')
upperSet = tuple(upperFaces)
a.Set(faces=upperSet, name='upperFace')
m.StaticStep(name='Step-1', previous='Initial', nlgeom=ON, timePeriod=1.,initialInc=.0001,maxNumInc=10000, minInc=.000001)
if param['BCType'] == 'Tension':
m.PinnedBC(name='BC-1', createStepName='Step-1', region=innerSet, localCsys=None)
m.DisplacementBC(name='BC-2', createStepName='Step-1', region=outerSet, u1=0.0, u2=0.0, u3=param['displ'])
elif param['BCType'] == 'Compression':
m.PinnedBC(name='BC-1', createStepName='Step-1', region=innerSet, localCsys=None)
m.DisplacementBC(name='BC-2', createStepName='Step-1', region=outerSet, u1=0.0, u2=0.0, u3=-1.*param['displ'])
elif param['BCType'] == 'ParrTension':
m.PinnedBC(name='BC-1', createStepName='Step-1', region=upperSet, localCsys=None)
m.DisplacementBC(name='BC-2', createStepName='Step-1', region=lowerSet, u1=0.0, u2=-1.*param['displ'], u3=0.0)
elif param['BCType'] == 'ParrCompression':
m.PinnedBC(name='BC-1', createStepName='Step-1', region=upperSet, localCsys=None)
m.DisplacementBC(name='BC-2', createStepName='Step-1', region=lowerSet, u1=0.0, u2=param['displ'], u3=0.0)
## JOB
myJobDef = JobDefinition(param['modelName'])
myJobDef.setScratchDir(param['scratchDir'])
if not param['stupidMaterial']:
myJobDef.setToFibrous()
myJobDef.fibreDirections(directions)
myJobDef.setFibreInputType('partition')
myJobDef.setMatNames(matNames)
myNewJob = myJobDef.create()
if param['numCpus']>1: myNewJob.setValues(numCpus=param['numCpus'],numDomains=param['numCpus'],multiprocessingMode=THREADS)
if param['saveCaeFile']:mdb.saveAs(myNewJob.name)
return myNewJob,mdb
def createAnalysis(param):
if param['matType'] != 'Hooke' and not param['nlgeom']:
print 'non linear geometry enforced with hyperelastic materials'
param['nlgeom'] = True
## IMPORT FILE
mdb.ModelFromInputFile(inputFileName=param['inpFile'], name=param['modelName'])
abaqusTools.deleteDefaultModel()
## SHORTCUTS
myModel = mdb.models[param['modelName']]
myAssembly = myModel.rootAssembly
myASets = myAssembly.sets
## STEP CREATION
nlGeom = OFF
if param['nlgeom']:
nlGeom = ON
myModel.StaticStep(initialInc=1e-5 ,timePeriod=param['timePeriod'], maxInc=.1, minInc=1e-8, name='Load', nlgeom=nlGeom, previous='Initial',maxNumInc=10000)
directions = list()
matNames = list()
for p,myPart in enumerate(myModel.parts.values()):
myPSet = myPart.sets
partNo = int(myPart.name.split('_')[1])
## MATERIALS
myMatA = myModel.materials['MATA_%i'%partNo]
myMatP = myModel.materials['MATP_%i'%partNo]
fullPartSet = myPart.sets['ALLPARTSET']
EA,nuA = getEandNu(param['holzapfelParametersA'])
EP,nuP = getEandNu(param['holzapfelParametersP'])
if param['matType'] == 'Hooke':
myMatA.Elastic(table=((EA, nuA), ))
myMatP.Elastic(table=((EP, nuP), ))
elif param['matType'] == 'neoHooke':
myMatA.Hyperelastic(testData=OFF,table=((EA/(4*(1.+nuA)),6*(1-2.*nuA)/EA),),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=COMPRESSIBLE)
myMatP.Hyperelastic(testData=OFF,table=((EP/(4*(1.+nuP)),6*(1-2.*nuP)/EP),),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=COMPRESSIBLE)
elif param['matType'] == 'Holzapfel':
if param['twoDirections']:
myMatA.Hyperelastic(table=(param['holzapfelParametersA'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=2)
myMatP.Hyperelastic(table=(param['holzapfelParametersP'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=2)
else:
myMatA.Hyperelastic(table=(param['holzapfelParametersA'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=1)
myMatP.Hyperelastic(table=(param['holzapfelParametersP'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=1)
datum = myPart.DatumAxisByPrincipalAxis(principalAxis=ZAXIS)
normalAxis = myPart.surfaces['EXTERNALSURFACE']
myPart.MaterialOrientation(region=fullPartSet, orientationType=DISCRETE, axis=AXIS_1, normalAxisDefinition=SURFACE, normalAxisRegion=normalAxis, normalAxisDirection=AXIS_1, primaryAxisDefinition=DATUM, primaryAxisDatum=myPart.datums[datum.id], primaryAxisDirection=AXIS_3)
fibreAngle = param['fiberOrientation'][p]
directions.append((0.,math.cos(fibreAngle),math.sin(fibreAngle)))
directions.append((0.,math.cos(fibreAngle),math.sin(fibreAngle)))
matNames.append('MATA_%i'%partNo)
matNames.append('MATP_%i'%partNo)
## ELEMENT INTEGRATION (to ensure hourglass control - may not be needed!!)
elemType1 = mesh.ElemType(elemCode=C3D8R, elemLibrary=STANDARD, hourglassControl=ENHANCED)
elemType2 = mesh.ElemType(elemCode=C3D4, elemLibrary=STANDARD)
myPart.setElementType(regions=(myPart.elements,), elemTypes=(elemType1, elemType2))
## BC'S - any vertical / internal pressure only / any vertical + internal pressure
#print myASets
if param['load'] == 'displ':
myModel.DisplacementBC(createStepName='Load', name='displacement', region=myASets['ZMAX'], u3=param['loadMagnitude'])
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
#myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] == 'shearLongAxis':
myModel.DisplacementBC(createStepName='Load', name='displacement', region=myASets['ZMAX'], u2=param['loadMagnitude'])
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] == 'shearShortAxis':
myModel.DisplacementBC(createStepName='Load', name='displacement', region=myASets['ZMAX'], u1=param['loadMagnitude'])
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] =='Pressure':
# magnitude provided = PRESSURE
myModel.Pressure(name='Pressure',createStepName='Load',region=myASurface['ZMAX'],magnitude=p['loadMagnitude'],
distributionType=UNIFORM)
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] == 'PressurePlane':
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
import regionToolset
# magnitude provided = concentrated FORCE on the rigid plane
surf = myModel.ConstrainedSketch(name='surf', sheetSize=200.)
surf.Line(point1=(0., 0.), point2=(0.0, 30.))
surfPart = myModel.Part(name='crushingPart', dimensionality=THREE_D, type=ANALYTIC_RIGID_SURFACE)
surfPart.AnalyticRigidSurfExtrude(sketch=surf, depth=30.)
surfPart.ReferencePoint(point=(7.5, 15., 0.))
crushPlane = myAssembly.Instance(name='crushingPlane', part=surfPart, dependent=ON)
myAssembly.ParallelFace(movablePlane=crushPlane.faces[0], fixedPlane=myASurface['ZMAX'], flip=ON)
myAssembly.translate(instanceList=('crushingPlane', ), vector=(0., 0., 6.))
side1Faces1 = crushPlane.faces.getSequenceFromMask(mask=('[#1 ]', ), )
myCrushingSurface = myAssembly.Surface(side1Faces=side1Faces1, name='crushingSurface')
myModel.Tie(name='tieTop', master=myCrushingSurface, slave=myASurface['ZMAX'])
region = regionToolset.Region(referencePoints=(crushPlane.referencePoints[2], ))
myModel.ConcentratedForce(name='Load-1', createStepName='Load', region=region, cf2=-p['loadMagnitude'], distributionType=UNIFORM,
follower=ON)
myModel.DisplacementBC(name='pressurePlane', createStepName='Load', region=region, u1=0., u2=0., ur1=0., ur2=0., ur3=0.,
distributionType=UNIFORM)
elif param['internalLoad']:#z fixations if internal pressure only
myModel.ZsymmBC(name='FixedTop',createStepName='Load',region=myASurface['ZMAX'])
myModel.ZsymmBC(name='Fixed',createStepName='Load',region=myASurface['ZMIN'])
else: raise Exception("no BC's have been defined!!")
if param['internalLoad']:
mostInnerPart = myAssembly.instances['INSTANCE_1']
mostInnerSurface = mostInnerPart.surfaces['INTERNALSURFACE']
myModel.Pressure(name='intPressure',createStepName='Load',region=mostInnerSurface,magnitude=param['internalLoad'],
distributionType=UNIFORM)
## OUTPUT REQUESTS
#fieldVariable = ('S', 'LE', 'U', 'RT', 'P', 'CSTRESS', 'CDISP', 'CFORCE')
#myModel.fieldOutputRequests['F-Output-1'].setValues(variables=fieldVariable)
## JOB
from abaqusPythonTools.jobCreation import JobDefinition
myJobDef = JobDefinition(param['modelName'])
myJobDef.setScratchDir(param['scratchDir'])
if param['matType'] == 'Holzapfel':
myJobDef.setToFibrous()
myJobDef.fibreDirections(directions)
if param['twoDirections']:
myJobDef.setFibreInputType('twoDirections')
myJob = myJobDef.create()
if param['numCpus']>1:
myJob.setValues(numCpus=param['numCpus'],numDomains=param['numCpus'],multiprocessingMode=THREADS)
mdb.saveAs(param['modelName'])
return myJob,mdb
def createAnalysis(param):
nbLamellae = len(param['parts'])-4
## IMPORT FILE
mdb.ModelFromInputFile(inputFileName=param['inpFile'], name=param['modelName'])
abaqusTools.deleteDefaultModel()
## SHORTCUTS
myModel = mdb.models[param['modelName']]
myPart = myModel.parts['PART-1']
myAssembly = myModel.rootAssembly
myInstance = myAssembly.instances['PART-1-1']
mySets = myAssembly.sets
## STEP CREATION
nlGeom = OFF
if param['nlgeom']: nlGeom = ON
initInc = .01
maxInc = .1
if 'homogeneous' not in param['inpFile']:
initInc = 1e-4
maxInc = .1
if ('Bonded' not in param['inpFile']) and ('bonded' not in param['inpFile']): initInc = 1e-6
minInc = initInc/10000.
myModel.StaticStep(initialInc=initInc ,timePeriod=param['timePeriod'], maxInc=maxInc, minInc=minInc, name='displ', nlgeom=nlGeom, previous='Initial',maxNumInc=10000)
if 'homogeneous' not in param['inpFile'] and 'Bonded' not in param['inpFile']:
myModel.steps['displ'].control.setValues(allowPropagation=OFF, resetDefaultValues=OFF, discontinuous=ON)
## ELEMENT INTEGRATION (to ensure hourglass control - may not be needed!!)
elemType1 = mesh.ElemType(elemCode=C3D8R, elemLibrary=STANDARD, hourglassControl=ENHANCED)
elemType2 = mesh.ElemType(elemCode=C3D4, elemLibrary=STANDARD)
myPart.setElementType(regions=(myPart.elements,), elemTypes=(elemType1, elemType2))
directions = list()
matNames = list()
for i,p in enumerate(param['parts']):
## MATERIALS
mat = 'PM_'+p
allMats = myModel.materials
if allMats.has_key(mat): myMat = myModel.materials[mat]
else:continue
E,nu = getEandNu(param['holzapfelParameters'])
if 'PLATE' in mat:
if param['nlgeom']: myMat.Hyperelastic(testData=OFF,table=((300./1.3,2.4/1200.),),materialType=ISOTROPIC,type=NEO_HOOKE,behaviorType=COMPRESSIBLE)
else: myMat.Elastic(table=((1200., 0.3), ))
elif 'NUCLEUS' in mat:
if param['nlgeom']:
myMat.Hyperelastic(testData=OFF,table=((0.00025,0.0),),materialType=ISOTROPIC,type=NEO_HOOKE,behaviorType=INCOMPRESSIBLE)
elemType1 = mesh.ElemType(elemCode=C3D8RH, elemLibrary=STANDARD, hourglassControl=ENHANCED)
elemType2 = mesh.ElemType(elemCode=C3D4H, elemLibrary=STANDARD)
region = myPart.sets['PT_'+p]
myPart.setElementType(regions=region, elemTypes=(elemType1, elemType2))
else: myMat.Elastic(table=((.0015, 0.499), ))
elif not param['nlgeom']: myMat.Elastic(table=((E, nu), ))
elif param['matType'] == 'neoHooke' or 'TRANSITIONZONE' in mat:
matParam = (E/(4*(1.+nu)),6*(1-2.*nu)/E)
if param['holzapfelParameters'][1]==0.:# incompressible
myMat.Hyperelastic(testData=OFF,table=(matParam,),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=INCOMPRESSIBLE)
elemType1 = mesh.ElemType(elemCode=C3D8RH, elemLibrary=STANDARD, hourglassControl=ENHANCED)
elemType2 = mesh.ElemType(elemCode=C3D4H, elemLibrary=STANDARD)
region = myPart.sets['PT_'+p]
myPart.setElementType(regions=region, elemTypes=(elemType1, elemType2))
else: myMat.Hyperelastic(testData=OFF,table=(matParam,),materialType=ISOTROPIC,type=NEO_HOOKE,behaviorType=COMPRESSIBLE)
elif param['matType'] == 'Holzapfel':
matParam = param['holzapfelParameters']
if 'homogeneous' not in param['inpFile']: nbDirection=1
else: nbDirection=2
if matParam[1]==0.:# incompressible
myMat.Hyperelastic(table=(matParam,),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=INCOMPRESSIBLE,localDirections=nbDirection)
elemType1 = mesh.ElemType(elemCode=C3D8RH, elemLibrary=STANDARD, hourglassControl=ENHANCED)
elemType2 = mesh.ElemType(elemCode=C3D4H, elemLibrary=STANDARD)
region = myPart.sets['PT_'+p]
myPart.setElementType(regions=region, elemTypes=(elemType1, elemType2))
else: myMat.Hyperelastic(table=(matParam,),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL,behaviorType=COMPRESSIBLE,localDirections=nbDirection)
if isinstance(param['fiberOrientation'],tuple) and len(param['fiberOrientation']) == nbLamellae:
lamellarNo = int(''.join(x for x in mat if x.isdigit()))
fibreAngle = param['fiberOrientation'][lamellarNo-1]
elif isinstance(param['fiberOrientation'],float): fibreAngle = param['fiberOrientation']
else: raise("parameter 'fiberOrientation' of wrong type or length")
directions.append((math.sin(fibreAngle),math.cos(fibreAngle),0.))
matNames.append(mat)
##BC'S
if 'Hemi' in param['inpFile']:
#symmetry at yMin
yMax = 'NS_%s_WITH_YMIN'%p
if mySets.has_key(yMax): myModel.YsymmBC(createStepName='displ', name='ySymm_%s'%(p), region=mySets[yMax])
#fixation
dMin = 'NS_%s_WITH_ZMIN'%p
if mySets.has_key(dMin): myModel.PinnedBC(createStepName='displ', localCsys=None, name='fix_%d'%(i), region=mySets[dMin])
#displacement
dMax = 'NS_%s_WITH_ZMAX'%p
if mySets.has_key(dMax): myModel.DisplacementBC(createStepName='displ', localCsys=None, name='mov_%d'%(i), region=mySets[dMax], u3=param['displ'],u1=0.,u2=0.)
else:
#fixation
dMin = 'NS_BOTTOMPLATE_WITH_BACKGROUND'
if mySets.has_key(dMin): myModel.PinnedBC(createStepName='displ', localCsys=None, name='fix_%d'%(i), region=mySets[dMin])
#displacement
dMax = 'NS_TOPPLATE_WITH_BACKGROUND'
if mySets.has_key(dMax): myModel.DisplacementBC(createStepName='displ', localCsys=None, name='mov_%d'%(i), region=mySets[dMax], u1=param['displ'],u2=0.,u3=0.)
##CONSTRAINTS - same for all interfaces - could be changed depending on the interface name!!
if 'homogeneous' not in param['inpFile'] and 'Bonded' not in param['inpFile'] and 'bonded' not in param['inpFile'] :
for interactionName in myModel.interactionProperties.keys():
from abaqusPythonTools.interactions import Interactions
inter = Interactions(myModel)
inter.setName(interactionName)
if param['interfaceType'] == 'Friction':
inter.setFrictionBehaviour('Friction',param['frictionCoef'])
inter.setSeparationAllowed()
elif param['interfaceType'] == 'Rough':
inter.setFrictionBehaviour('Rough')
elif param['interfaceType'] == 'Cohesive':
inter.setCohesiveBehaviour(useDefaultBehaviour=False,penalties=(100.0, 100.0, 100.0))
elif param['interfaceType'] == 'CohesiveRough':
inter.setCohesiveBehaviour(useDefaultBehaviour=False)
inter.setFrictionBehaviour('Rough')
elif param['interfaceType'] == 'CohesiveFriction':
inter.setCohesiveBehaviour(useDefaultBehaviour=False)
inter.setFrictionBehaviour('Friction',param['frictionCoef'])
inter.changeInteraction()
## OUTPUT REQUESTS
# fieldVariable = ('S', 'LE', 'U', 'RT', 'P', 'CSTRESS', 'CDISP', 'CFORCE')
# myModel.fieldOutputRequests['F-Output-1'].setValues(variables=fieldVariable)
## JOB
from abaqusPythonTools.jobCreation import JobDefinition
myJobDef = JobDefinition(param['modelName'])
myJobDef.setScratchDir(param['scratchDir'])
if param['matType'] == 'Holzapfel':
myJobDef.setToFibrous()
myJobDef.fibreDirections(directions)
if 'homogeneous' in param['inpFile']: myJobDef.setFibreInputType('twoDirectionsZVert')
myJobDef.setMatNames(matNames)
myNewJob = myJobDef.create()
if param['numCpus']>1: myNewJob.setValues(numCpus=param['numCpus'],numDomains=param['numCpus'],multiprocessingMode=DEFAULT)
mdb.saveAs(param['modelName'])
##
return myNewJob,mdb
def createAnalysis(param):
if param['matType'] != 'Hooke' and not param['nlgeom']:
print 'non linear geometry enforced with hyperelastic materials'
param['nlgeom'] = True
## IMPORT FILE
mdb.ModelFromInputFile(inputFileName=param['inpFile'], name=param['modelName'])
abaqusTools.deleteDefaultModel()
'''cant remember what those are for!
bPoints = ((9.124844,0.,6.),(9.044464,0.647,6.),(8.964084,1.29591,6.),(8.883704,1.943865,6.),(8.803324,2.59182,6.),(8.722944,3.239775,6.),(8.642564,3.88773,6.),(8.562184,4.535685,6.),(8.608844,4.813532,6.))
tPoints = ((8.613523,21.058475,6.),(8.483499,21.382516,6.),(8.557826,22.030471,6.),(8.632154,22.678426,6.),(8.706481,23.326381,3.),(8.780808,23.974336,3.),(8.855136,24.622291,6.),(8.929463,25.270246,6.),(9.003791,25.918201,6.))
aPoints = ((0.,10.461036,6.),(0.375,10.58594,6.),(0.751,10.710843,6.),(1.127587,10.835746,6.),(1.503449,10.464365,3.),(1.503449,10.960649,6.),(2.255173,11.210456,6.),(2.631035,11.335359,6.),(3.415147,11.727949,6.))
'''
## SHORTCUTS
myModel = mdb.models[param['modelName']]
myAssembly = myModel.rootAssembly
myASets = myAssembly.sets
## STEP CREATION
nlGeom = OFF
if param['nlgeom']:
nlGeom = ON
if 'Cohesive' in param['interfaceType']:
myModel.StaticStep(initialInc=1e-6 ,timePeriod=param['timePeriod'], maxInc=.1, minInc=1e-9, name='Load', nlgeom=nlGeom, previous='Initial',maxNumInc=10000)
else:
myModel.StaticStep(initialInc=1e-5 ,timePeriod=param['timePeriod'], maxInc=.1, minInc=1e-8, name='Load', nlgeom=nlGeom, previous='Initial',maxNumInc=10000)
directions = list()
matNames = list()
for p,myPart in enumerate(myModel.parts.values()):
myPSet = myPart.sets
partNo = int(myPart.name.split('_')[1])
## MATERIALS
myMatA = myModel.materials['MATA_%i'%partNo]
myMatP = myModel.materials['MATP_%i'%partNo]
fullPartSet = myPart.sets['ALLPARTSET']
EA,nuA = getEandNu(param['holzapfelParametersA'])
EP,nuP = getEandNu(param['holzapfelParametersP'])
if param['matType'] == 'Hooke':
myMatA.Elastic(table=((EA, nuA), ))
myMatP.Elastic(table=((EP, nuP), ))
elif param['matType'] == 'neoHooke':
myMatA.Hyperelastic(testData=OFF,table=((EA/(4*(1.+nuA)),6*(1-2.*nuA)/EA),),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=COMPRESSIBLE)
myMatP.Hyperelastic(testData=OFF,table=((EP/(4*(1.+nuP)),6*(1-2.*nuP)/EP),),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=COMPRESSIBLE)
elif param['matType'] == 'Holzapfel':
if param['twoDirections']:
myMatA.Hyperelastic(table=(param['holzapfelParametersA'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=2)
myMatP.Hyperelastic(table=(param['holzapfelParametersP'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=2)
else:
myMatA.Hyperelastic(table=(param['holzapfelParametersA'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=1)
myMatP.Hyperelastic(table=(param['holzapfelParametersP'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=1)
datum = myPart.DatumAxisByPrincipalAxis(principalAxis=ZAXIS)
normalAxis = myPart.surfaces['EXTERNALSURFACE']
myPart.MaterialOrientation(region=fullPartSet, orientationType=DISCRETE, axis=AXIS_1, normalAxisDefinition=SURFACE, normalAxisRegion=normalAxis, normalAxisDirection=AXIS_1, primaryAxisDefinition=DATUM, primaryAxisDatum=myPart.datums[datum.id], primaryAxisDirection=AXIS_3)
fibreAngle = param['fiberOrientation'][p]
directions.append((0.,math.cos(fibreAngle),math.sin(fibreAngle)))
directions.append((0.,math.cos(fibreAngle),math.sin(fibreAngle)))
matNames.append('MATA_%i'%partNo)
matNames.append('MATP_%i'%partNo)
## ELEMENT INTEGRATION (to ensure hourglass control - may not be needed!!)
elemType1 = mesh.ElemType(elemCode=C3D8R, elemLibrary=STANDARD, hourglassControl=ENHANCED)
elemType2 = mesh.ElemType(elemCode=C3D4, elemLibrary=STANDARD)
myPart.setElementType(regions=(myPart.elements,), elemTypes=(elemType1, elemType2))
pt1 = myPart.DatumPointByCoordinate(coords=(3.176303, 3.536555, 6.))
pt2 = myPart.DatumPointByCoordinate(coords=(5.731896, 6.466231, 6.))
pt3 = myPart.DatumPointByCoordinate(coords=(5.731896, 6.466231, 0.))
plane1 = myPart.DatumPlaneByThreePoints(point1=myPart.datums[pt1.id], point2=myPart.datums[pt2.id], point3=myPart.datums[pt3.id])
myPart.PartitionCellByDatumPlane(datumPlane=myPart.datums[plane1.id], cells=myPart.cells)
pt4 = myPart.DatumPointByCoordinate(coords=(2.610235,21.445631,6.))
pt5 = myPart.DatumPointByCoordinate(coords=(5.016845,18.749067,6.))
pt6 = myPart.DatumPointByCoordinate(coords=(5.016845,18.749067,0.))
plane2 = myPart.DatumPlaneByThreePoints(point1=myPart.datums[pt4.id], point2=myPart.datums[pt5.id], point3=myPart.datums[pt6.id])
myPart.PartitionCellByDatumPlane(datumPlane=myPart.datums[plane2.id], cells=myPart.cells.findAt(()))
sectionA = 'SectionA-%i'%partNo
sectionP = 'SectionP-%i'%partNo
myRegion = myPart.Set(cells=myPart.cells.findAt((middlePt,)), name='Set_'+sectionP)
myPart.SectionAssignment(region=myRegion, sectionName=sectionP, offset=0.0, offsetType=MIDDLE_SURFACE)
myAssembly.regenerate()
## CONSTRAINTS - same for all interfaces!!
for nbInteraction in range(1,len(myModel.parts.keys())):
myMaInstance = myAssembly.instances['INSTANCE_%i'%nbInteraction]
mySlInstance = myAssembly.instances['INSTANCE_%i'%(nbInteraction+1)]
from abaqusPythonTools.interactions import Interactions
inter = Interactions(myModel)
inter.setMasterSlave(myMaInstance.surfaces['INTERNALSURFACE'],mySlInstance.surfaces['EXTERNALSURFACE'])
inter.setName('interaction_%i'%(nbInteraction))
if param['interfaceType'] == 'Tie':
inter.setInteractionToTie()
elif param['interfaceType'] == 'Friction':
inter.setFrictionBehaviour('Friction')
elif param['interfaceType'] == 'Rough':
inter.setFrictionBehaviour('Rough')
elif param['interfaceType'] == 'Cohesive':
inter.setCohesiveBehaviour()
elif param['interfaceType'] == 'CohesiveRough':
inter.setCohesiveBehaviour()
inter.setFrictionBehaviour('Rough')
elif param['interfaceType'] == 'CohesiveFriction':
inter.setCohesiveBehaviour()
inter.setFrictionBehaviour('Friction')
inter.createInteraction()
## BC'S - any vertical / internal pressure only / any vertical + internal pressure
#print myASets
if param['load'] == 'displ':
myModel.DisplacementBC(createStepName='Load', name='displacement', region=myASets['ZMAX'], u3=param['loadMagnitude'])
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] == 'shearLongAxis':
myModel.DisplacementBC(createStepName='Load', name='displacement', region=myASets['ZMAX'], u2=param['loadMagnitude'])
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] == 'shearShortAxis':
myModel.DisplacementBC(createStepName='Load', name='displacement', region=myASets['ZMAX'], u1=param['loadMagnitude'])
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] =='Pressure':
# magnitude provided = PRESSURE
myModel.Pressure(name='Pressure',createStepName='Load',region=myASurface['ZMAX'],magnitude=p['loadMagnitude'],
distributionType=UNIFORM)
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] == 'PressurePlane':
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
import regionToolset
# magnitude provided = concentrated FORCE on the rigid plane
surf = myModel.ConstrainedSketch(name='surf', sheetSize=200.)
surf.Line(point1=(0., 0.), point2=(0.0, 30.))
surfPart = myModel.Part(name='crushingPart', dimensionality=THREE_D, type=ANALYTIC_RIGID_SURFACE)
surfPart.AnalyticRigidSurfExtrude(sketch=surf, depth=30.)
surfPart.ReferencePoint(point=(7.5, 15., 0.))
crushPlane = myAssembly.Instance(name='crushingPlane', part=surfPart, dependent=ON)
myAssembly.ParallelFace(movablePlane=crushPlane.faces[0], fixedPlane=myASurface['ZMAX'], flip=ON)
myAssembly.translate(instanceList=('crushingPlane', ), vector=(0., 0., 6.))
side1Faces1 = crushPlane.faces.getSequenceFromMask(mask=('[#1 ]', ), )
myCrushingSurface = myAssembly.Surface(side1Faces=side1Faces1, name='crushingSurface')
myModel.Tie(name='tieTop', master=myCrushingSurface, slave=myASurface['ZMAX'])
region = regionToolset.Region(referencePoints=(crushPlane.referencePoints[2], ))
myModel.ConcentratedForce(name='Load-1', createStepName='Load', region=region, cf2=-p['loadMagnitude'], distributionType=UNIFORM,
follower=ON)
myModel.DisplacementBC(name='pressurePlane', createStepName='Load', region=region, u1=0., u2=0., ur1=0., ur2=0., ur3=0.,
distributionType=UNIFORM)
elif param['internalLoad']:#z fixations if internal pressure only
myModel.ZsymmBC(name='FixedTop',createStepName='Load',region=myASurface['ZMAX'])
myModel.ZsymmBC(name='Fixed',createStepName='Load',region=myASurface['ZMIN'])
else: raise Exception("no BC's have been defined!!")
if param['internalLoad']:
mostInnerPart = myAssembly.instances['INSTANCE_8']
mostInnerSurface = mostInnerPart.surfaces['INTERNALSURFACE']
myModel.Pressure(name='intPressure',createStepName='Load',region=mostInnerSurface,magnitude=p['internalLoad'],
distributionType=UNIFORM)
## OUTPUT REQUESTS
fieldVariable = ('S', 'LE', 'U', 'RT', 'P', 'CSTRESS', 'CDISP', 'CFORCE')
myModel.fieldOutputRequests['F-Output-1'].setValues(variables=fieldVariable)
## JOB
from abaqusPythonTools.jobCreation import JobDefinition
myJobDef = JobDefinition(param['modelName'])
myJobDef.setScratchDir(param['scratchDir'])
if param['matType'] == 'Holzapfel':
myJobDef.setToFibrous()
myJobDef.fibreDirections(directions)
if param['twoDirections']:
myJobDef.setFibreInputType('twoDirections')
myJob = myJobDef.create()
if param['numCpus']>1:
myJob.setValues(numCpus=param['numCpus'],numDomains=param['numCpus'],multiprocessingMode=THREADS)
mdb.saveAs(param['modelName'])
return myJob,mdb
def createAnalysis(param):
if param['matType'] != 'Hooke' and not param['nlgeom']:
print 'non linear geometry enforced with hyperelastic materials'
param['nlgeom'] = True
## IMPORT FILE
mdb.ModelFromInputFile(inputFileName=param['inpFile'], name=param['modelName'])
abaqusTools.deleteDefaultModel()
## SHORTCUTS
myModel = mdb.models[param['modelName']]
myAssembly = myModel.rootAssembly
myASets = myAssembly.sets
myASurface = myAssembly.surfaces
## STEP CREATION
nlGeom = OFF
if param['nlgeom']:
nlGeom = ON
if 'Cohesive' in param['interfaceType']:
myModel.StaticStep(initialInc=1e-5 ,timePeriod=param['timePeriod'], maxInc=.1, minInc=1e-9, name='Load', nlgeom=nlGeom, previous='Initial',maxNumInc=10000)
elif param['interfaceType'] == 'Friction':
myModel.StaticStep(initialInc=1e-4 ,timePeriod=param['timePeriod'], maxInc=.1, minInc=1e-9, name='Load', nlgeom=nlGeom, previous='Initial',maxNumInc=10000)
else:
myModel.StaticStep(initialInc=1e-3 ,timePeriod=param['timePeriod'], maxInc=.1, minInc=1e-8, name='Load', nlgeom=nlGeom, previous='Initial',maxNumInc=10000)
myModel.steps['Load'].control.setValues(allowPropagation=OFF, resetDefaultValues=OFF, timeIncrementation=(8, 10, 0, 0, 10, 0, 12, 10, 0, 0, 50))
#I0=4(nb equ ite),Ir=8 (),Ip=9,Ic=16,Il=10,Ig=4,Is=12,Ia=5 (nb of cut back in 1 inc),Ij=6,It=3,Isc=50
directions = list()
matNames = list()
E,nu = getEandNu(param['holzapfelParameters'])
for p,myPart in enumerate(myModel.parts.values()):
myPSet = myPart.sets
partNo = int(myPart.name.split('_')[1])
## MATERIALS
myMat = myModel.materials['MAT_%i'%partNo]
try:
del myMat.hyperelastic#delete existing material def
except (AttributeError):
pass
fullPartSet = myPart.sets['ALLPARTSET']
if param['matType'] == 'Hooke': myMat.Elastic(table=((E, nu), ))
elif param['matType'] == 'neoHooke':
if param['holzapfelParameters'][1]==0.: myMat.Hyperelastic(testData=OFF,table=((E/(4*(1.+nu)),0.),),materialType=ISOTROPIC,type=NEO_HOOKE,behaviorType=INCOMPRESSIBLE)
else: myMat.Hyperelastic(testData=OFF,table=((E/(4*(1.+nu)),6*(1-2.*nu)/E),),materialType=ISOTROPIC,type=NEO_HOOKE,behaviorType=COMPRESSIBLE)
elif param['matType'] == 'Holzapfel':
if param['holzapfelParameters'][1]==0.:# incompressible
if param['twoDirections']: myMat.Hyperelastic(table=(param['holzapfelParameters'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL ,behaviorType=INCOMPRESSIBLE,localDirections=2)
else: myMat.Hyperelastic(table=(param['holzapfelParameters'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL ,behaviorType=INCOMPRESSIBLE,localDirections=1)
else:
if param['twoDirections']: myMat.Hyperelastic(table=(param['holzapfelParameters'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL ,behaviorType=COMPRESSIBLE,localDirections=2)
else: myMat.Hyperelastic(table=(param['holzapfelParameters'],),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL ,behaviorType=COMPRESSIBLE,localDirections=1)
datum = myPart.DatumAxisByPrincipalAxis(principalAxis=ZAXIS)
normalAxis = myPart.surfaces['EXTERNALSURFACE']
myPart.MaterialOrientation(region=fullPartSet, orientationType=DISCRETE, axis=AXIS_1, normalAxisDefinition=SURFACE, normalAxisRegion=normalAxis, normalAxisDirection=AXIS_1, primaryAxisDefinition=DATUM, primaryAxisDatum=myPart.datums[datum.id], primaryAxisDirection=AXIS_3)
fibreAngle = param['fiberOrientation'][p]
directions.append((0.,math.cos(fibreAngle),math.sin(fibreAngle)))
matNames.append('MAT_%i'%partNo)
## ELEMENT INTEGRATION (to ensure hourglass control - may not be needed!!)
elemType1 = mesh.ElemType(elemCode=C3D8R, elemLibrary=STANDARD, hourglassControl=ENHANCED)
elemType2 = mesh.ElemType(elemCode=C3D4, elemLibrary=STANDARD)
myPart.setElementType(regions=(myPart.elements,), elemTypes=(elemType1, elemType2))
myModel.HomogeneousSolidSection('section_%s'%partNo, material='MAT_%i'%partNo)
myPart.SectionAssignment(region=fullPartSet, sectionName='section_%s'%partNo)
## CONSTRAINTS - same for all interfaces!!
for nbInteraction in range(1,len(myModel.parts.keys())):
myMaInstance = myAssembly.instances['INSTANCE_%i'%nbInteraction]
mySlInstance = myAssembly.instances['INSTANCE_%i'%(nbInteraction+1)]
from abaqusPythonTools.interactions import Interactions
inter = Interactions(myModel)
inter.setMasterSlave(myMaInstance.surfaces['INTERNALSURFACE'],mySlInstance.surfaces['EXTERNALSURFACE'])
inter.setName('interaction_%i'%(nbInteraction))
if param['interfaceType'] == 'Tie':
inter.setInteractionToTie()
elif param['interfaceType'] == 'Friction':
inter.setFrictionBehaviour('Friction',param['frictionCoef'])
inter.setSeparationAllowed()
elif param['interfaceType'] == 'Rough':
inter.setFrictionBehaviour('Rough')
elif param['interfaceType'] == 'Cohesive':
inter.setCohesiveBehaviour(useDefaultBehaviour=False,penalties=param['cohesivePenalties'])
elif param['interfaceType'] == 'CohesiveRough':
inter.setCohesiveBehaviour(useDefaultBehaviour=False)
inter.setFrictionBehaviour('Rough')
elif param['interfaceType'] == 'CohesiveFriction':
inter.setCohesiveBehaviour(useDefaultBehaviour=False)
inter.setFrictionBehaviour('Friction',param['frictionCoef'])
inter.createInteraction()
## BC'S - any vertical / internal pressure only / any vertical + internal pressure
if param['load'] == 'displ':
myModel.DisplacementBC(createStepName='Load', name='displacement', region=myASets['ZMAX'], u3=param['loadMagnitude'])
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
#if 'Cohesive' not in param['interfaceType'] and param['interfaceType'] != 'Friction':
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] =='Pressure':
# magnitude provided = PRESSURE
myModel.Pressure(name='Pressure',createStepName='Load',region=myASurface['ZMAX'],magnitude=param['loadMagnitude'],
distributionType=UNIFORM)
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
myModel.DisplacementBC(createStepName='Load', name='noRadialDispl', region=myASets['ZMAX'], u1=0., u2=0.)
elif param['load'] == 'PressurePlane':
myModel.PinnedBC(createStepName='Load', name='fixation', region=myASets['ZMIN'])
import regionToolset
# magnitude provided = concentrated FORCE on the rigid plane
surf = myModel.ConstrainedSketch(name='surf', sheetSize=200.)
surf.Line(point1=(-1., 0.), point2=(17., 0.))
surfPart = myModel.Part(name='crushingPart', dimensionality=THREE_D, type=ANALYTIC_RIGID_SURFACE)
surfPart.AnalyticRigidSurfExtrude(sketch=surf, depth=26.)
crushPlane = myAssembly.Instance(name='crushingPlane', part=surfPart, dependent=ON)
myAssembly.rotate(instanceList=('crushingPlane', ), axisPoint=(0., 0., 0.), axisDirection=(1., 0., 0.), angle=90.)
myAssembly.translate(instanceList=('crushingPlane', ), vector=(0., 13., 6.))
surfPart.ReferencePoint(point=(8., 0., 0.))
myCrushingSurface = myAssembly.Surface(side1Faces=crushPlane.faces.getSequenceFromMask(mask=('[#1 ]', ), ), name='crushingSurface')
myModel.Tie(name='tieTop', master=myCrushingSurface, slave=myASurface['ZMAX'])
region = regionToolset.Region(referencePoints=(crushPlane.referencePoints[2], ))
myModel.ConcentratedForce(name='Load-1', createStepName='Load', region=region, cf3=-param['loadMagnitude'], distributionType=UNIFORM,
follower=ON)
myModel.DisplacementBC(name='pressurePlane', createStepName='Load', region=region, u1=0., u2=0., ur1=0., ur2=0., ur3=0.,
distributionType=UNIFORM)
elif param['internalLoad']:#z fixations if internal pressure only
myModel.ZsymmBC(name='FixedTop',createStepName='Load',region=myASurface['ZMAX'])
myModel.ZsymmBC(name='Fixed',createStepName='Load',region=myASurface['ZMIN'])
else: raise Exception("no BC's have been defined!!")
if param['internalLoad']:
try:
mostInnerSurface = myAssembly.instances['INSTANCE_8'].surfaces['INTERNALSURFACE']
except KeyError:
if param['twoDirections']:
mostInnerSurface = myAssembly.instances['INSTANCE_1'].surfaces['INTERNALSURFACE']
else: raise Exception("Undefined internal surface")
myModel.Pressure(name='intPressure',createStepName='Load',region=mostInnerSurface,magnitude=param['internalLoad'],
distributionType=UNIFORM)
## OUTPUT REQUESTS
# fieldVariable = ('S', 'LE', 'U', 'RT', 'P', 'CSTRESS', 'CDISP', 'CFORCE')
# myModel.fieldOutputRequests['F-Output-1'].setValues(variables=fieldVariable)
## JOB
from abaqusPythonTools.jobCreation import JobDefinition
myJobDef = JobDefinition(param['modelName'])
myJobDef.setScratchDir(param['scratchDir'])
if param['matType'] == 'Holzapfel':
myJobDef.setToFibrous()
myJobDef.fibreDirections(directions)
if param['twoDirections']:
myJobDef.setFibreInputType('twoDirections')
myJob = myJobDef.create()
if param['numCpus']>1:
myJob.setValues(numCpus=param['numCpus'],numDomains=param['numCpus'],multiprocessingMode=THREADS)
mdb.saveAs(param['modelName'])
return myJob,mdb
def createAnalysis(param):
if param['matType'] != 'Hooke' and not param['nlgeom']:
print 'non linear geometry enforced with hyperelastic materials'
param['nlgeom'] = True
## IMPORT FILE
if param['sipInpFile']:
myModel = mdb.ModelFromInputFile(inputFileName=param['sipInpFile'], name=param['modelName'])
shellTo2DGeo(myModel)
else:
myModel = mdb.ModelFromInputFile(inputFileName=param['inpFile'], name=param['modelName'])
abaqusTools.deleteDefaultModel()
## SHORTCUTS
myAssembly = myModel.rootAssembly
allMats = myModel.materials
## STEP CREATION
nlGeom = OFF
if param['nlgeom']: nlGeom = ON
t0 = 0.01
if (param['interfaceType'] is not 'Tie') and (param['interfaceType'] is not 'Rough'):t0 = 1e-5
myModel.StaticStep(initialInc=t0 ,timePeriod=param['timePeriod'], maxInc=.1, minInc=1e-9, name='displ', nlgeom=nlGeom, previous='Initial')
directions = list()
matNames = list()
slMaCouples = list()
for i,myPart in enumerate(myModel.parts.values()):
myPSet = myPart.sets
part = myPart.name.split('_')[0]
if part == 'INPLANE6' and param['load'] == 'custom':
del myModel.parts['INPLANE6_Geo']
del myAssembly.features['INPLANE6_instance']
continue
partType = [p for p in param['parts'] if p in part][0]#find if it is a sectionned or in plane lamellae
## MATERIALS
cSys = myPart.DatumCsysByThreePoints(coordSysType=CARTESIAN,origin=(0.,0.,0.),point1=(1.,0.,0.),point2=(0.,1.,0.))
mat = 'SM_'+part
if allMats.has_key(mat):
myMat = myModel.materials[mat]
else:
print 'material %s unknown!!!'%mat
continue
E = 0.06#equivalent GM only as we are perp to fibers!!
nu = 0.499
if partType == 'BRIDGES':
myMat.Elastic(table=((0.4, 0.45), ))
elif param['matType'] == 'Hooke':
myMat.Elastic(table=((E, nu), ))
elif param['matType'] == 'neoHooke':
matParam = (E/(4*(1.+nu)),6*(1-2.*nu)/E)
if matParam[1]==0.:# incompressible
myMat.Hyperelastic(testData=OFF,table=(matParam,),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=INCOMPRESSIBLE)
else:
myMat.Hyperelastic(testData=OFF,table=(matParam,),materialType=ISOTROPIC,type=NEO_HOOKE
,behaviorType=COMPRESSIBLE)
elif param['matType'] == 'Holzapfel':
if partType == 'SECTIONED':
#issue: shell/2D do not allow for mat properties out-of-plane --> fibres cannot be out-of-plane
#--> the effect of the angle is incorporated into the mat properties, k1 only, that are reduced according to the cos of the angle
fibreAngle = 2.*param['fiberOrientation']
matParam = (param['holzapfelParameters'][0],param['holzapfelParameters'][1],param['holzapfelParameters'][2]*math.cos(fibreAngle),param['holzapfelParameters'][3],param['holzapfelParameters'][4])
else:
matParam = param['holzapfelParameters']
if matParam[1]==0.:# incompressible
myMat.Hyperelastic(table=(matParam,),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=INCOMPRESSIBLE,localDirections=1)
else:
myMat.Hyperelastic(table=(matParam,),materialType=ANISOTROPIC,anisotropicType=HOLZAPFEL
,behaviorType=COMPRESSIBLE,localDirections=1)
myPart.MaterialOrientation(region=(myPart.faces[0],), orientationType=SYSTEM, axis=AXIS_3, localCsys=myPart.datums[cSys.id])#AXIS_3 is the normal to the shell
directions.append((0.,1.,0.))
matNames.append(mat)
## SECTION
myModel.HomogeneousSolidSection(name='Section_%s'%part, material=mat, thickness=None)
myPart.SectionAssignment(region=(myPart.faces[0],), sectionName='Section_%s'%part)
## BC'S
myISet = myAssembly.instances['%s_instance'%part].sets
dMin = 'NS_%s_WITH_XMIN'%part
dMax = 'NS_%s_WITH_XMAX'%part
if param['load'] == 'custom':
if 'tt01_01_noBScSegDS' in param['sipInpFile']:
if myISet.has_key(dMin):
myModel.PinnedBC(createStepName='displ', localCsys=None, name='fix_%d'%(i), region=myISet[dMin])
if part == 'SECTIONED5':
x1 = (1.10898,1.29364)
x2 = (1.29274,0.74189)
d1 = (0.134,-0.12)
d2 = (0.18,-0.10)
for node in myISet['SF_%s_WITH_INPLANE6'%part].nodes:
i += 1
abaqusTools.applyInterpolatedDisplacement(myModel,node,x1,x2,d1,d2,'mov_%d'%(i))
elif 'tt02_02_CroppedNoBScSegDS' in param['sipInpFile']:
if myISet.has_key(dMax):
myModel.PinnedBC(createStepName='displ', localCsys=None, name='fix_%d'%(i), region=myISet[dMax])
if part == 'SECTIONED2':
x1 = (0.261,1.943)
x2 = (0.297,0)
d1 = (-0.23617,0.09717)
d2 = (-0.390945,-0.02034)
for node in myISet['SF_%s_WITH_INPLANE1'%part].nodes:
i += 1
abaqusTools.applyInterpolatedDisplacement2(myModel,node,x1,x2,d1,d2,'mov_%d'%(i))
else:
if myISet.has_key(dMin):
myModel.PinnedBC(createStepName='displ', localCsys=None, name='fix_%d'%(i), region=myISet[dMin])
if myISet.has_key(dMax):
if param['load'] == 'tension':
myModel.DisplacementBC(createStepName='displ', localCsys=None, name='mov_%d'%(i), region=myISet[dMax], u1=param['displ'])
elif param['load'] == 'shear':
myModel.DisplacementBC(createStepName='displ', localCsys=None, name='mov_%d'%(i), region=myISet[dMax], u2=param['displ'])
else:raise Exception('unknonw load type')
## Get Master/Slave couples
oParts = list(myModel.parts.keys())
oParts.remove(myPart.name)
for setName in myPSet.keys():
if setName.startswith('SF_%s_WITH_'%part):
for oPart in oParts:
oPartName = oPart.split('_')[0]
if oPartName=='INPLANE6':
continue
elif oPartName in setName:
if [oPartName,part] not in slMaCouples:
slMaCouples.append([part,oPartName])
## CONSTRAINTS - same for all interfaces!!
for nbInteraction,slMaCouple in enumerate(slMaCouples):
masterName = 'SF_%s_WITH_%s'%(slMaCouple[1],slMaCouple[0])
slaveName = 'SF_%s_WITH_%s'%(slMaCouple[0],slMaCouple[1])
myMaInstance = myAssembly.instances['%s_instance'%slMaCouple[1]]
mySlInstance = myAssembly.instances['%s_instance'%slMaCouple[0]]
from abaqusPythonTools.interactions import Interactions
inter = Interactions(myModel)
inter.setName('interaction_%i'%nbInteraction)
if param['interfaceType'] == 'Tie':
inter.setMasterSlave(myMaInstance.sets[masterName],mySlInstance.sets[slaveName])
inter.setInteractionToTie()
else:
inter.setMasterSlave(myMaInstance.surfaces[masterName],mySlInstance.surfaces[slaveName])
inter.setNormalStiffness(param['normalStiffness'])
if param['interfaceType'] == 'Friction':
inter.setFrictionBehaviour('Friction')
elif param['interfaceType'] == 'Rough':
inter.setFrictionBehaviour('Rough')
elif param['interfaceType'] == 'Cohesive':
inter.setCohesiveBehaviour(useDefaultBehaviour=False,penalties=param['cohesivePenalties'])
elif param['interfaceType'] == 'CohesiveRough':
inter.setCohesiveBehaviour(useDefaultBehaviour=False,penalties=param['cohesivePenalties'])
inter.setFrictionBehaviour('Rough')
elif param['interfaceType'] == 'CohesiveFriction':
inter.setCohesiveBehaviour()
inter.setFrictionBehaviour('Friction')
inter.createInteraction()
## OUTPUT REQUESTS
#fieldVariable = ('S', 'LE', 'U', 'RF', 'P', 'CSTRESS', 'CDISP', 'CFORCE')
#myModel.fieldOutputRequests['F-Output-1'].setValues(variables=fieldVariable)
## JOB
from abaqusPythonTools.jobCreation import JobDefinition
myJobDef = JobDefinition(param['modelName'])
myJobDef.setScratchDir(param['scratchDir'])
if param['matType'] == 'Holzapfel':
myJobDef.setToFibrous()
myJobDef.fibreDirections(directions)
myJobDef.setFibreInputType('fromSip')
myJobDef.setMatNames(matNames)
myNewJob = myJobDef.create()
if param['numCpus']>1:
myNewJob.setValues(numCpus=param['numCpus'],numDomains=param['numCpus'],multiprocessingMode=DEFAULT)
mdb.saveAs(param['modelName'])
return myNewJob,mdb