相信很多使用abaqus的研究生学子们,会遇到这样的问题:所要建立模型太过于复杂,每次进行建模时,都需要花上大量的时间在建模上面。那么怎么解决这个问题呢?
Python是一种很便利的语言,我们采用该语言建立脚本,再配合abaqus自带的RSG系统,可以设计操作界面,只需输入相应参数,即可快速建模。把花在建模上时间用在其他研究上,岂不是更有效率?
1.建立建模的脚本语言
我们可以利用“宏管理”,来记录建模的过程,然后修改其相对应的代码,针对需要自定义的参数设置自变量即可。(以最简单的立方体建模为例,下面是经过修改的代码)
# -*- coding: mbcs -*-# Do not delete the following import linesfrom abaqus import *from abaqusConstants import *import __main__def revit(partname,k1,k2,k3):import sectionimport regionToolsetimport displayGroupMdbToolset as dgmimport partimport materialimport assemblyimport optimizationimport stepimport interactionimport loadimport meshimport jobimport sketchimport visualizationimport xyPlotimport displayGroupOdbToolset as dgoimport connectorBehaviors = mdb.models['Model-1'].ConstrainedSketch(name='__profile__',sheetSize=200.0)g, v, d, c = s.geometry, s.vertices, s.dimensions, s.constraintss.setPrimaryObject(option=STANDALONE)s.ConstructionLine(point1=(-15.0, 0.0), point2=(18.75, 0.0))s.HorizontalConstraint(entity=g[2], addUndoState=False)s.ConstructionLine(point1=(0.0, 20.0), point2=(0.0, -18.75))s.VerticalConstraint(entity=g[3], addUndoState=False)s.rectangle(point1=(-15.0, 15.0), point2=(20.0, -20.0))s.ObliqueDimension(vertex1=v[3], vertex2=v[0], textPoint=(-5.59237670898438,20.2889671325684), value=50.0)s.ObliqueDimension(vertex1=v[2], vertex2=v[3], textPoint=(27.7161102294922,5.3327522277832), value=40.0)s.SymmetryConstraint(entity1=v[0], entity2=v[3], symmetryAxis=g[3])s.SymmetryConstraint(entity1=v[0], entity2=v[1], symmetryAxis=g[2])s=mdb.models['Model-1'].sketches['__profile__']s.Parameter(name='a1', path='dimensions[0]', expression=k1)s.Parameter(name='a2', path='dimensions[1]', expression=k2,previousParameter='a1')p = mdb.models['Model-1'].Part(name=partname, dimensionality=THREE_D,type=DEFORMABLE_BODY)p = mdb.models['Model-1'].parts[partname]p.BaseSolidExtrude(sketch=s, depth=k3)s.unsetPrimaryObject()p = mdb.models['Model-1'].parts[partname]session.viewports['Viewport: 1'].setValues(displayedObject=p)del mdb.models['Model-1'].sketches['__profile__']

3.插件使用
