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1.打开ABAQUS–>>part

然后画好一个立方体

如图

2.划分网格

先后点击我框住的那个东西 划分网格  最后得到

4.这是最重要的一步

点击菜单栏上的网格–创建网格部件

5.到属性里面添加材料

按照下面的顺序

当你点到第三个指派截面的时候 看

这时就可以选择你的材料了，但是要注意，你这是只是对整个立方体的一个小格子进行材料的设置，还有很多你没有设置，所以你得一个一个选择才可以

最好的方法是在你的生成的脚本里面修改。

代码如下：（你要先找到对应的修改代码的部分）

找到下面的代码

p = mdb.models['Model-1'].parts['Part-1-mesh-1']
e = p.elements
elements = e.getSequenceFromMask(mask=('[#0:3 #8 ]', ), )
region = p.Set(elements=elements, name='Set-1')
p = mdb.models['Model-1'].parts['Part-1-mesh-1']
p.SectionAssignment(region=region, sectionName='Section-1', offset=0.0, 
    offsetType=MIDDLE_SURFACE, offsetField='', 
    thicknessAssignment=FROM_SECTION)

修改为

p = mdb.models['Model-1'].parts['Part-1-mesh-1']
e = p.elements
len(e)
n1=len(e)
mat="Set"
for i in range(1,8):#这里我对前8个都修改了
    elements=e[i-1:i]#这里选定的是当前的单元格
    settionname=mat+str(i)#设置材料名
    p.Set(elements=elements,name=settionname)
    region = p.Set(elements=elements, name=settionname)
    p = mdb.models['Model-1'].parts['Part-1-mesh-1']
    p.SectionAssignment(region=region, sectionName='Section-1', offset=0.0, 
    offsetType=MIDDLE_SURFACE, offsetField='', 
    thicknessAssignment=FROM_SECTION)

或者你直接用我的脚本 完整的

# -*- coding: mbcs -*-
#
# Abaqus/CAE Release 6.12-1 replay file
# Internal Version: 2012_03_13-20.23.18 119612
# Run by Alex on Sat May 07 17:07:22 2016
#

# from driverUtils import executeOnCaeGraphicsStartup
# executeOnCaeGraphicsStartup()
#: Executing "onCaeGraphicsStartup()" in the site directory ...
from abaqus import *
from abaqusConstants import *
session.Viewport(name='Viewport: 1', origin=(0.0, 0.0), width=264.805725097656, 
    height=270.227783203125)
session.viewports['Viewport: 1'].makeCurrent()
session.viewports['Viewport: 1'].maximize()
from caeModules import *
from driverUtils import executeOnCaeStartup
executeOnCaeStartup()
session.viewports['Viewport: 1'].partDisplay.geometryOptions.setValues(
    referenceRepresentation=ON)
s = mdb.models['Model-1'].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=(0.0, 0.0), point2=(55.0, 5.0))
p = mdb.models['Model-1'].Part(name='Part-1', dimensionality=THREE_D, 
    type=DEFORMABLE_BODY)
p = mdb.models['Model-1'].parts['Part-1']
p.BaseSolidExtrude(sketch=s, depth=5.0)
s.unsetPrimaryObject()
p = mdb.models['Model-1'].parts['Part-1']
session.viewports['Viewport: 1'].setValues(displayedObject=p)
del mdb.models['Model-1'].sketches['__profile__']
session.viewports['Viewport: 1'].view.setValues(nearPlane=98.7834, 
    farPlane=144.088, width=53.2673, height=27.6587, viewOffsetX=2.08857, 
    viewOffsetY=-1.13423)
session.viewports['Viewport: 1'].partDisplay.setValues(mesh=ON)
session.viewports['Viewport: 1'].partDisplay.meshOptions.setValues(
    meshTechnique=ON)
session.viewports['Viewport: 1'].partDisplay.geometryOptions.setValues(
    referenceRepresentation=OFF)
p = mdb.models['Model-1'].parts['Part-1']
p.seedPart(size=5.0, deviationFactor=0.1, minSizeFactor=0.1)
p = mdb.models['Model-1'].parts['Part-1']
p.generateMesh()
p = mdb.models['Model-1'].parts['Part-1']
p.PartFromMesh(name='Part-1-mesh-1', copySets=True)
p1 = mdb.models['Model-1'].parts['Part-1-mesh-1']
session.viewports['Viewport: 1'].setValues(displayedObject=p1)
session.viewports['Viewport: 1'].partDisplay.setValues(sectionAssignments=ON, 
    engineeringFeatures=ON, mesh=OFF)
session.viewports['Viewport: 1'].partDisplay.meshOptions.setValues(
    meshTechnique=OFF)
mdb.models['Model-1'].Material(name='Material-1')
mdb.models['Model-1'].materials['Material-1'].Elastic(table=((99999.0, 0.33), 
    ))
mdb.models['Model-1'].HomogeneousSolidSection(name='Section-1', 
    material='Material-1', thickness=None)

p = mdb.models['Model-1'].parts['Part-1-mesh-1']
e = p.elements
len(e)
n1=len(e)+1
for i in range(1,n1):
    elements=e[i-1:i]
    settionname="mat"+str(i)
    p.Set(elements=elements,name=settionname)
    region = p.Set(elements=elements, name=settionname)
    p = mdb.models['Model-1'].parts['Part-1-mesh-1']
    p.SectionAssignment(region=region, sectionName='Section-1', offset=0.0, 
    offsetType=MIDDLE_SURFACE, offsetField='', 
    thicknessAssignment=FROM_SECTION)

mdb.saveAs(pathName='C:/Temp/beam')
#: Ä£ÐÍÊý¾Ý¿âÒѱ£´æµ½ "C:\Temp\beam.cae".

然后用ABAQUS 运行脚本就好了 祝你好运