Abaqus二次开发怎么创建odb才能在odb中显示梁截面？

Abaqus后处理中设置View->ODB Display Options->Render beam profiles可以显示梁截面。我用以下代码创建了一个圆形梁的odb，却无法显示出梁截面，请各位看一下是什么原因，该怎么解决？谢谢。

from odbAccess import *
from odbMaterial import *
from odbSection import *
from abaqusConstants import *
def createODB():
    odb = Odb(name='FEModel',path='Job-Beam-L-LoadZ-RotAlongXFE.odb')
    part1 = odb.Part(name='part-1', embeddedSpace=THREE_D,type=DEFORMABLE_BODY)
    nodeData = (
        (     1, 0.00000000e+000, 0.00000000e+000, 0.00000000e+000),
        (     2, 2.40000000e+002, 0.00000000e+000, 0.00000000e+000),
        )
    part1.addNodes(nodeData=nodeData,nodeSetName='nset-1')
    sCatL = odb.SectionCategory(name='beam<L Profile>', description='Beam Section, L Profile')
    Right1fraction = sCatL.SectionPoint(number=1, description='Right, (1-fraction = 1.0)')
    Vertex = sCatL.SectionPoint(number=5, description='Vertex')
    Top2fraction = sCatL.SectionPoint(number=9, description='Top, (2-fraction = 1.0)')
    part1.addElements(elementData=((1,1,2),),type='B31',sectionCategory=sCatL)
    instance1 = odb.rootAssembly.Instance(name='part-1-1',object=part1)
    odb.CircularProfile(name='Profile-1', r=5)
    materialName='Material-1'
    odb.Material(name=materialName)
    elset_1 = instance1.ElementSetFromElementLabels(name='elset-1',elementLabels=(1,))
    section_1 = odb.BeamSection(name='Section-1', integration=BEFORE_ANALYSIS, profile='Profile-1', material=materialName)
    odb.rootAssembly.instances['part-1-1'].assignSection(region=elset_1,section=section_1)
    step1 = odb.Step(name='Step-1',description='first analysis step',domain=TIME, timePeriod=1.0)
    analysisTime=0.1
    frame1 = step1.Frame(incrementNumber=1,frameValue=analysisTime)
    uField = frame1.FieldOutput(name='U',description='Displacements', type=VECTOR, validInvariants=(MAGNITUDE,))
    nodeLabelData = (
             1,
             2,
        )
    dispData = (
        ( 5.34825733e+004,-5.62485892e+008, 1.10586118e+009),
        ( 9.93334113e-047, 1.00000000e-033, 1.73200000e-033),
        )
    uField.addData(position=NODAL, instance=instance1,labels=nodeLabelData,data=dispData)
    step1.setDefaultDeformedField(uField)
    odb.save()
    odb.close()
if __name__ == "__main__":
     createODB()