Law2_Dem3DofGeom_CpmPhys_Cpm

Hi
  I want to simulate joints, so I established a wll, but "NameError: name 'Law2_Dem3DofGeom_CpmPhys_Cpm' is not defined
". How should I revise？please tell me.

from __future__ import division

from yade import utils,plot,pack,timing,eudoxos
import time, sys, os, copy

# default parameters or from table
utils.readParamsFromTable(noTableOk=True, # unknownOk=True,
 young=24e9,
 poisson=.2,
 Fn=9e9,

 sigmaT=3.5e6,
 frictionAngle=atan(0.8),
 epsCrackOnset=1e-4,
 crackOpening=1e-6,
 intRadius=1.5,
 dtSafety=.8,
 damping=0.4,
 strainRateTension=.05,
 strainRateCompression=.5,
 setSpeeds=True,
 # 1=tension, 2=compression (ANDed; 3=both)
 doModes=3,

 specimenLength=.15,
 sphereRadius=3e-3,

 # isotropic confinement (should be negative)
 isoPrestress=0,

 # use the ScGeom variant
 scGeom=False
)

from yade.params.table import *

if 'description' in O.tags.keys(): O.tags['id']=O.tags['id']+O.tags['description']

concreteId=O.materials.append(CpmMat(young=young,frictionAngle=frictionAngle,poisson=poisson,density=4800,sigmaT=sigmaT,crackOpening=crackOpening,epsCrackOnset=epsCrackOnset,isoPrestress=isoPrestress))

spheres=pack.randomDensePack(pack.inAlignedBox((-.25*specimenLength,-.25*specimenLength,-.5*specimenLength),(.25*specimenLength,.25*specimenLength,.5*specimenLength)),spheresInCell=2500,radius=sphereRadius,memoizeDb='/tmp/triaxPackCache.sqlite')
O.bodies.append(spheres)

O.bodies.append([
 utils.facet([[-0.01,-0.01,-0.01],[0,0.01,0,],[0.01,0.03,0.04]],fixed=True,color=[1,1,0])])

bb=utils.uniaxialTestFeatures()
negIds,posIds,axis,crossSectionArea=bb['negIds'],bb['posIds'],bb['axis'],bb['area']
O.dt=dtSafety*utils.PWaveTimeStep()
print 'Timestep',O.dt

mm,mx=[pt[axis] for pt in utils.aabbExtrema()]
coord_25,coord_50,coord_75=mm+.25*(mx-mm),mm+.5*(mx-mm),mm+.75*(mx-mm)
area_25,area_50,area_75=utils.approxSectionArea(coord_25,axis),utils.approxSectionArea(coord_50,axis),utils.approxSectionArea(coord_75,axis)

O.engines=[
 ForceResetter(),
 InsertionSortCollider([Bo1_Sphere_Aabb(aabbEnlargeFactor=intRadius,label=
 'is2aabb'),Bo1_Facet_Aabb(),],verletDist=.05*sphereRadius),
 InteractionLoop(

[Ig2_Sphere_Sphere_Dem3DofGeom(distFactor=intRadius,label='ss2d3dg') if not
scGeom else
Ig2_Sphere_Sphere_ScGeom(interactionDetectionFactor=intRadius,label='ss2sc'),
Ig2_Facet_Sphere_Dem3DofGeom(),],
  [Ip2_CpmMat_CpmMat_CpmPhys()],
  [Law2_Dem3DofGeom_CpmPhys_Cpm(epsSoft=0) if not scGeom else Law2_ScGeom_CpmPhys_Cpm()],
 ),
 NewtonIntegrator(damping=damping,label='damper'),
 CpmStateUpdater(realPeriod=1),
 UniaxialStrainer(strainRate=strainRateTension,axis=axis,asymmetry=0,posIds=posIds,negIds=negIds,crossSectionArea=crossSectionArea,blockDisplacements=False,blockRotations=False,setSpeeds=setSpeeds,label='strainer'),
 PyRunner(virtPeriod=1e-6/strainRateTension,realPeriod=1,command='addPlotData()',label='plotDataCollector',initRun=True),
 PyRunner(realPeriod=4,command='stopIfDamaged()',label='damageChecker'),
]

plot.plots={'eps':('sigma',)} #,'sigma.50')},'t':('eps')} #'sigma.25','sigma.50','sigma.75')}

O.saveTmp('initial');

O.timingEnabled=False

global mode
mode='tension' if doModes & 1 else 'compression'

def initTest():
 global mode
 print "init"
 if O.iter>0:
  O.wait();
  O.loadTmp('initial')
  print "Reversing plot data"; plot.reverseData()
 else: plot.plot(subPlots=False)
 strainer.strainRate=abs(strainRateTension) if mode=='tension' else -abs(strainRateCompression)
 try:
  from yade import qt
  renderer=qt.Renderer()
  renderer.dispScale=(1000,1000,1000) if mode=='tension' else (100,100,100)
 except ImportError: pass
 print "init done, will now run."
 O.step(); # to create initial contacts
 # now reset the interaction radius and go ahead
 if not scGeom: ss2d3dg.distFactor=-1.
 else: ss2sc.interactionDetectionFactor=1.
 is2aabb.aabbEnlargeFactor=-1.

 O.run()

def stopIfDamaged():
 global mode
 if O.iter<2 or not plot.data.has_key('sigma'): return # do nothing at the very beginning
 sigma,eps=plot.data['sigma'],plot.data['eps']
 extremum=max(sigma) if (strainer.strainRate>0) else min(sigma)
 minMaxRatio=0.5 if mode=='tension' else 0.5
 if extremum==0: return
 # uncomment to get graph for the very first time stopIfDamaged() is called
 #eudoxos.estimatePoissonYoung(principalAxis=axis,stress=strainer.avgStress,plot=True,cutoff=0.3)
 print O.tags['id'],mode,strainer.strain,sigma[-1]
 import sys; sys.stdout.flush()
 if abs(sigma[-1]/extremum)<minMaxRatio or abs(strainer.strain)>(5e-3 if isoPrestress==0 else 5e-2):
  if mode=='tension' and doModes & 2: # only if compression is enabled
   mode='compression'
   O.save('/tmp/uniax-tension.yade.gz')
   print "Saved /tmp/uniax-tension.yade.gz (for use with interaction-histogram.py and uniax-post.py)"
   print "Damaged, switching to compression... "; O.pause()
   # important! initTest must be launched in a separate thread;
   # otherwise O.load would wait for the iteration to finish,
   # but it would wait for initTest to return and deadlock would result
   import thread; thread.start_new_thread(initTest,())
   return
  else:
   print "Damaged, stopping."
   ft,fc=max(sigma),min(sigma)
   print 'Strengths fc=%g, ft=%g, |fc/ft|=%g'%(fc,ft,abs(fc/ft))
   title=O.tags['description'] if 'description' in O.tags.keys() else O.tags['params']
   print 'gnuplot',plot.saveGnuplot(O.tags['id'],title=title)
   print 'Bye.'
   #O.pause()
   sys.exit(0)

def addPlotData():
 yade.plot.addData({'t':O.time,'i':O.iter,'eps':strainer.strain,'sigma':strainer.avgStress+isoPrestress,
  'sigma.25':utils.forcesOnCoordPlane(coord_25,axis)[axis]/area_25+isoPrestress,
  'sigma.50':utils.forcesOnCoordPlane(coord_50,axis)[axis]/area_50+isoPrestress,
  'sigma.75':utils.forcesOnCoordPlane(coord_75,axis)[axis]/area_75+isoPrestress,
  })
plot.plot(subPlots=False)
#O.run()
initTest()
utils.waitIfBatch()