80 lines
3.1 KiB
Python
80 lines
3.1 KiB
Python
|
from abaqusConstants import *
|
||
|
|
from abaqus import *
|
||
|
|
import regionToolset
|
||
|
|
import mesh
|
||
|
|
#
|
||
|
|
zModel = mdb.models['Model-1']
|
||
|
|
zAssembly = zModel.rootAssembly
|
||
|
|
Num_Long=25
|
||
|
|
Num_High=10
|
||
|
|
#
|
||
|
|
zSketch = zModel.ConstrainedSketch(name='__profile__',sheetSize=200.0)
|
||
|
|
zSketch.Line(point1=(0.0, 0.0), point2=(1., 0.0))
|
||
|
|
zModel.Part(name='BaseTruss', dimensionality=TWO_D_PLANAR,type=DEFORMABLE_BODY)
|
||
|
|
zPart = mdb.models['Model-1'].parts['BaseTruss']
|
||
|
|
zPart.BaseWire(sketch=zSketch)
|
||
|
|
#
|
||
|
|
zInstances=[]
|
||
|
|
k=0
|
||
|
|
for i in range(0,Num_Long):
|
||
|
|
for j in range(0,Num_High):
|
||
|
|
label='I_L'+str(i)+'_H'+str(j)
|
||
|
|
zAssembly.Instance(name=label, part=zPart, dependent=ON)
|
||
|
|
zAssembly.translate(instanceList=(label, ), vector=(float(i), float(j), 0.0))
|
||
|
|
zInstances.append([])
|
||
|
|
zInstances[k]=zAssembly.instances[label]
|
||
|
|
k=k+1
|
||
|
|
zAssembly.InstanceFromBooleanMerge(name='FinalTruss', instances=zInstances, keepIntersections=ON,
|
||
|
|
originalInstances=SUPPRESS, domain=GEOMETRY)
|
||
|
|
#
|
||
|
|
zPart = mdb.models['Model-1'].parts['FinalTruss']
|
||
|
|
k=1
|
||
|
|
for eachEdge in zPart.edges:
|
||
|
|
label='Mat '+str(k)
|
||
|
|
points=eachEdge.pointOn
|
||
|
|
zEdges=zPart.edges.findAt(points)
|
||
|
|
zModel.Material(name=label)
|
||
|
|
zModel.TrussSection(name=label, material=label,area=1.0)
|
||
|
|
k=k+1
|
||
|
|
region = regionToolset.Region(edges=zEdges)
|
||
|
|
zPart.SectionAssignment(region=region, sectionName=label, offset=0.0,
|
||
|
|
offsetType=MIDDLE_SURFACE, offsetField='', thicknessAssignment=FROM_SECTION)
|
||
|
|
#
|
||
|
|
zPart.seedPart(size=1.0, deviationFactor=0.1)
|
||
|
|
elemType1 = mesh.ElemType(elemCode=T2D2, elemLibrary=STANDARD)
|
||
|
|
pickedRegions =(zPart.edges, )
|
||
|
|
zPart.setElementType(regions=pickedRegions, elemTypes=(elemType1, ))
|
||
|
|
zPart.generateMesh()
|
||
|
|
zVerts = zAssembly.instances['FinalTruss-1'].vertices
|
||
|
|
zModel.StaticStep(name='Step-1', previous='Initial',
|
||
|
|
maxNumInc=10000, initialInc=0.1, minInc=1e-07, maxInc=0.1, nlgeom=ON)
|
||
|
|
k=1
|
||
|
|
for eachVert in zVerts:
|
||
|
|
label='BC'+str(k)
|
||
|
|
points=eachVert.pointOn
|
||
|
|
zVert=zVerts.findAt(points)
|
||
|
|
pointX=int(points[0][0])
|
||
|
|
pointY=int(points[0][1])
|
||
|
|
if pointY==0:
|
||
|
|
zAssembly.Set(name='ASet'+str(pointX),vertices=zVert)
|
||
|
|
else:
|
||
|
|
zAssembly.Set(name='Temp',vertices=zVert)
|
||
|
|
try:
|
||
|
|
zAssembly.SetByMerge(name='BSet'+str(pointX), sets=(zAssembly.sets['BSet'+str(pointX)],zAssembly.sets['Temp']))
|
||
|
|
except:
|
||
|
|
zAssembly.Set(name='BSet'+str(pointX),vertices=zVert)
|
||
|
|
region = regionToolset.Region(vertices=zVert)
|
||
|
|
zModel.DisplacementBC(name=label+'_Y', createStepName='Initial',
|
||
|
|
region=region, u1=UNSET, u2=SET, ur3=SET, amplitude=UNSET,
|
||
|
|
distributionType=UNIFORM, fieldName='', localCsys=None)
|
||
|
|
k=k+1
|
||
|
|
if points[0][0]==0.:
|
||
|
|
zModel.DisplacementBC(name=label+'_X', createStepName='Initial',
|
||
|
|
region=region, u1=SET, u2=UNSET, ur3=UNSET, amplitude=UNSET,
|
||
|
|
distributionType=UNIFORM, fieldName='', localCsys=None)
|
||
|
|
if points[0][0]==float(Num_Long) and points[0][1]==0.:
|
||
|
|
zModel.DisplacementBC(name='DISP', createStepName='Step-1',
|
||
|
|
region=region, u1=float(Num_Long)/2., u2=UNSET, ur3=UNSET, amplitude=UNSET,
|
||
|
|
distributionType=UNIFORM, fieldName='', localCsys=None)
|
||
|
|
for i in range(0,Num_Long+1):
|
||
|
|
zModel.Equation('Eq'+str(i),terms=((1.,'BSet'+str(i),1),(-1.,'ASet'+str(i),1)))
|