detachment = O.materials.append(
CpmMat(young=dyoung,
poisson=dpoisson,
frictionAngle=dfrictAng,
epsCrackOnset=dreps,
density=dden,
relDuctility=0))
#basic parameters
v = -1
n_layer = 9
case = 4
#adding deposit -----
sample = ymport.text('./sample.txt')
spheres = O.bodies.append(sample)
#building boxes -----
box_length = 1000.0
box_height = 100.0
box_depth = 5
#wallMask
#determines which walls will be created, in the order
#-x(1), +x (2), -y (4), +y (8), -z (16), +z (32). The numbers are ANDed; the
#default 63 means to create all walls
#parameter1:center
#parameter2:size
box = geom.facetBox((box_length / 2, box_height / 2, 0),
(box_length / 2, box_height / 2, box_depth / 2),
dOutput=3.0,
hBunker=11.0,
hOutput=1.5,
hPipe=0.8,
wallMask=5,
segmentsNumber=20,
**kwMeshes))
# spheresToFile saves coordinates and radii of all spheres of the simulation into the text file, works but disabled. Please, uncomment it, if you need
#print "Saved into the OutFile " + str (export.text("OutFile")) + " spheres";
# spheresFromFile function imports coordinates and radii of all spheres of the simulation into the text file
O.bodies.append(
ymport.text('foo.spheres',
shift=Vector3(6.0, 6.0, -2.9),
scale=0.7,
color=(1, 1, 1),
**kw))
#Demonstration of HarmonicRotationEngine
O.bodies.append(
pack.regularHexa(pack.inSphere((-15, 5, -5), 1.5),
radius=rad * 2.0,
gap=rad / 3.0,
color=(0.5, 0.5, 0.1),
material=0))
O.bodies.append(geom.facetBox((-15, 5, -5), (2, 2, 2), wallMask=15,
**kwMeshes))
vibrationRotationPlate = O.bodies.append(
geom.facetBox((-15, 5, -5), (2, 2, 2), wallMask=16, **kwBoxes))
KFluid = 2.2e11 # bulk modulus of the fluid (1/compressibility) visc = 1 # viscosity of the fluid pFactor = 1.8e-11 # to scale the permeability of the rock matrix: useless if lines 133-136 are not commented (impermeable matrix) -> cf. permeametre.py: 1.8e-11 gives a permeability of 1e-16 m2 for 111_10k slotAperture = 1e-3 # initial aperture of pre-existing fracture where the injection is done ### hydraulic loading flowRate = 1e-5 # injection flow rate ### Simulation Control saveData = 10 # data record interval iterMax = 14e3 saveVTK = 10 # number of Vtk files OUT = FOLDER + PACK + NAME ### preprocessing to get dimensions O.bodies.append(ymport.text(PACK + '.spheres')) dim = utils.aabbExtrema() xinf = dim[0][0] xsup = dim[1][0] X = xsup - xinf yinf = dim[0][1] ysup = dim[1][1] Y = ysup - yinf zinf = dim[0][2] zsup = dim[1][2] Z = zsup - zinf R = 0 Rmax = 0 numSpheres = 0.
jointShearStiffness=1e9,
jointFrictionAngle=radians(0))
def wallMat():
return JCFpmMat(type=0,
density=DENS,
young=YOUNG,
frictionAngle=radians(0),
label='wallMat')
### preprocessing to get dimensions
O.bodies.append(
ymport.text(PACKING + '.spheres',
scale=1.,
shift=Vector3(0, 0, 0),
material=sphereMat))
dim = utils.aabbExtrema()
xinf = dim[0][0]
xsup = dim[1][0]
X = xsup - xinf
yinf = dim[0][1]
ysup = dim[1][1]
Y = ysup - yinf
zinf = dim[0][2]
zsup = dim[1][2]
Z = zsup - zinf
R = 0
Rmax = 0
hat_upper=O.bodies.append(bodiesHandling.spheresModify(hat,shift=(0.0,0.0,1.4),scale=0.7,orientation=oriBody,copy=True)) #Duplicate the "heart", shifting, scaling and rotating it
#change the color of upper part of the hat
for hatTmp in hat_upper:
O.bodies[hatTmp].shape.color=(0.9,0.5,0.59)
#facetBunker Demonstration
#Demonstration of HarmonicMotionEngine
vibrationPlate = O.bodies.append(geom.facetBunker((-7.0,-7.0,-3.0),dBunker=geometryParameters['extends'][0]*1.1,dOutput=3.0,hBunker=11.0,hOutput=1.5,hPipe=0.8,wallMask=5,segmentsNumber=20,**kwMeshes))
# spheresToFile saves coordinates and radii of all spheres of the simulation into the text file, works but disabled. Please, uncomment it, if you need
#print "Saved into the OutFile " + str (export.text("OutFile")) + " spheres";
# spheresFromFile function imports coordinates and radii of all spheres of the simulation into the text file
O.bodies.append(ymport.text('foo.spheres',shift=Vector3(6.0,6.0,-2.9),scale=0.7,color=(1,1,1),**kw))
#Demonstration of HarmonicRotationEngine
O.bodies.append(pack.regularHexa(pack.inSphere((-15,5,-5),1.5),radius=rad*2.0,gap=rad/3.0,color=(0.5,0.5,0.1),material=0))
O.bodies.append(geom.facetBox((-15,5,-5),(2,2,2),wallMask=15,**kwMeshes))
vibrationRotationPlate = O.bodies.append(geom.facetBox((-15,5,-5),(2,2,2),wallMask=16,**kwBoxes))
O.bodies.append(utils.wall((0,0,-10),axis=2))
try:
from yade import qt
qt.Controller()
qt.View()
except ImportError: pass
O.engines=[
rho_Salt = 3.0*1e-9 * massScaling# t/mm3
#
O.materials.append(CohFrictMat(young=E_Salt,poisson=nu_Salt,\
frictionAngle=fric_Salt,density=rho_Salt,\
momentRotationLaw=False,alphaKr=2., alphaKtw=2.,\
normalCohesion=1000000., shearCohesion=100000000.,\
label='spheres'))
'''
sp=pack.SpherePack()
sp.makeCloud(mn,mx,-1,0.3333,num_spheres,False, 0.3,seed=1) #"seed" make the "random" generation always the same
sphBodies=sp.toSimulation(material='spheres')
'''
b=ymport.text('base_geom_100')
sphBodies=O.bodies.append(b)
#print sphBodies
bodyHeat.heatBodies= sphBodies
bodyHeat.heatBodies.extend([4,5]) # adding lower wall
bodyHeat.isoThermalList.extend([4,5])
bodyHeat.initHeatPropsList(bodyHeat.heatBodies, 303., 430.0*1e6 / massScaling, 0.480)
# changing properties of lower and upper walls
bodyHeat.listCp[-1] = 900.0*1e6 / massScaling
bodyHeat.listHeatCond[-1] = 220.
#
bodyHeat.listCp[-2] = 900.0*1e6 / massScaling
box = geom.facetBox((box_length / 2, box_height / 2, 0),
(box_length / 2, box_height / 2, box_depth / 2),
wallMask=0,
material=m_wall)
#push plane
wall_right = utils.wall(box_length, axis=0, material=m_wall)
wall_left = utils.wall(0, axis=0, material=m_wall)
wall_bottom = utils.wall(0, axis=1, material=m_wall)
O.bodies.append(wall_left)
O.bodies.append(wall_right)
O.bodies.append(wall_bottom)
#adding deposit -----
spheres = ymport.text('./sample.txt')
#list object
id_spheres = O.bodies.append(spheres)
#2017-08-05 lichangsheng
#change to a real 2D simulation
# fix spin in y z
# fix x-postion
for i in id_spheres:
#a sphere can be made to move only in the yz plane and fix spin in Y Z by saying:
O.bodies[i].state.blockedDOFs = 'XYz'
#defining engines -----
frictionAngle=radians(1),
density=1,
poisson=1,
tensileStrength=1e6,
cohesion=1e6,
jointNormalStiffness=1,
jointShearStiffness=1,
jointTensileStrength=1e6,
jointCohesion=1e6,
jointFrictionAngle=1)
############################ Import of the sphere assembly
O.bodies.append(
ymport.text(packing + '.spheres',
scale=1,
shift=Vector3(0, 0, 0),
material=sphereMat)) #(-3,-4,-8)
#### some preprocessing (not mandatory)
dim = utils.aabbExtrema()
xinf = dim[0][0]
xsup = dim[1][0]
yinf = dim[0][1]
ysup = dim[1][1]
zinf = dim[0][2]
zsup = dim[1][2]
R = 0
Rmax = 0
numSpheres = 0.
for o in O.bodies:
from yade.pack import *
import numpy as np
#import heat
import os
O.materials.append(FrictMat(young=70e3,poisson=0.3,frictionAngle=0.3,density=1.9,label='material'))
sList=[]
r=1
ratio=0.85
N=10
#create a column of N spheres
b=ymport.text('pack')
O.bodies.append(b)
heat.heatBodies= b
heat.initHeatProps(O.bodies, 273., 0.01, 1000.)
#change initial temperature of one sphere
for i in range(0,len(b),50):
heat.bodyTemp[i] =500.
O.engines=[
ForceResetter(),
O.tags['description']='triaxial_rm_'+str(rm)+'_Emem_'+str(Emem)
O.materials.append(CohFrictMat(young=Emem,poisson=poisson,density=density_mem,frictionAngle=0,normalCohesion=1e19,shearCohesion=1e19,momentRotationLaw=False,alphaKr=0,label='NodeMat'))
O.materials.append(FrictMat(young=Emem,poisson=poisson,density=density_mem,frictionAngle=0,label='memMat'))
O.materials.append(FrictMat(young=E,poisson=poisson,density=density,frictionAngle=frictionAngleW,label='Wallmat'))
O.materials.append(FrictMat(young=E,poisson=poisson,density=density,frictionAngle=frictionAngle,label='Smat'))
##############################
### SAMPLE GENERATION ###
##############################
kw={'color':[0.8,0.8,0.8],'wire':False,'dynamic':True,'material':3}
pile=ymport.text('spheres_7.5e-03.txt',**kw)
pile2=O.bodies.append(pile)
L=hMax(2)
#################################
#### MEMBRANE GENERATION ###
#################################
#Create all nodes first :
for i in range(0,nbL+1):
for j in range(0,nbl):
z=i*L/float(nbL)
y=(l+r)*sin(2*pi*j/float(nbl))
x=(l+r)*cos(2*pi*j/float(nbl))
nodesIds.append( O.bodies.append(gridNode([x,y,z],r,wire=False,fixed=False,material='NodeMat',color=color)) )
##Create connection between the nodes
for i in O.interactions:
if((O.bodies[i.id1].isClumpMember==False) and (O.bodies[i.id2].isClumpMember==False) and (type(O.bodies[i.id1].shape)==Sphere) and (type(O.bodies[i.id2].shape)==Sphere)):
O.bodies[i.id1].shape.color=O.bodies[i.id2].shape.color
O.interactions.erase(i.id1,i.id2)
O.bodies.clump([i.id1,i.id2])
############################
### DEFINING MATERIAL ###
############################
n=1960
blocMat = O.materials.append(FrictMat(young=Kn ,poisson=Ks/Kn,frictionAngle=radians(30),density=44.5/(4./3.*pi*0.02**3*n),label='block'))
###############################
### LOADING OF THE BLOCK ###
###############################
bloc=ymport.text('block.spheres',scale=1,shift=startxyz,mask=2,wire=False,highlight=False,color=[1,0,0],material=blocMat)
### rotate block
p0=startxyz
rot=Quaternion((0,0,1),radians(40))
for b in bloc: b.state.pos=p0+rot*(b.state.pos-p0)
clump,clumpspheres=O.bodies.appendClumped(bloc)
#############################
### IMPACT PARAMETERS ###
#############################
###test 1
#x=0
return JCFpmMat(type=1,
density=DENS,
young=YOUNG,
poisson=ALPHA,
frictionAngle=radians(FRICT),
tensileStrength=TENS,
cohesion=COH,
jointNormalStiffness=1e9,
jointShearStiffness=1e9,
jointFrictionAngle=radians(0))
### preprocessing to get dimensions
O.bodies.append(
ymport.text(PACKING + '.spheres',
scale=1.,
shift=Vector3(0, 0, 0),
material=sphereMat))
dim = utils.aabbExtrema()
xinf = dim[0][0]
X = aabbDim()[0]
yinf = dim[0][1]
Y = aabbDim()[1]
zinf = dim[0][2]
Z = aabbDim()[2]
print 'X=', X, ' | Y=', Y, ' | Z=', Z
R = 0
Rmax = 0
numSpheres = 0.
frictionAngle=math.radians(wallFrictAng),
))
#particle parameters -----
sphere_mat = O.materials.append(
JCFpmMat(
young=5e9,
poisson=1.0 / 3,
frictionAngle=math.radians(18),
density=4800,
tensileStrength=TENSILESTRENGTH,
cohesion=COHESION,
))
s = ymport.text('dens2691Young5.0GPaL600H45.txt')
spheres = O.bodies.append(s)
for i in spheres:
O.bodies[i].material = O.materials[sphere_mat]
#engines -----
O.engines = [
ForceResetter(),
InsertionSortCollider([
Bo1_Box_Aabb(),
Bo1_Facet_Aabb(),
Bo1_Sphere_Aabb(aabbEnlargeFactor=Enlarge, label='EF')
]),
InteractionLoop([
Ig2_Sphere_Sphere_ScGeom(interactionDetectionFactor=Enlarge,
E=2*7.9e10*(1+poisson)
density=7.8e10
Et=0
frictionAngle=0.096
frictionAngleW=0.228
O.materials.append(CohFrictMat(young=E*0.1,poisson=poisson,density=density,frictionAngle=frictionAngle,normalCohesion=1e19,shearCohesion=1e19,momentRotationLaw=False,alphaKr=0,label='NodeMat'))
O.materials.append(FrictMat(young=E*0.1,poisson=poisson,density=density,frictionAngle=frictionAngle,label='Pmat'))
O.materials.append(FrictMat(young=E,poisson=poisson,density=density,frictionAngle=frictionAngle,label='Smat'))
##############################
### SAMPLE GENERATION ###
##############################
kw={'color':[1,1,1],'wire':False,'dynamic':True,'material':2}
pile=ymport.text('spheres.txt',**kw)
pile2=O.bodies.append(pile)
#sup()
print hMin(2), hMax(2)
zmin=hMin(2)
zmax=hMax(2)
#L=hMax(2)
#################################
#### MEMBRANE GENERATION ###
#################################
#mesh=2
#if(mesh==1):
##Create all nodes first :
#for i in range(0,nbL+1):
#for j in range(0,nbl):
# -*- coding: utf-8 -*-
from __future__ import print_function
from yade import pack, utils, ymport, export
packing='parallellepiped_10'
DFN='persistentPlane30Deg'
############################ material definition
facetMat = O.materials.append(JCFpmMat(type=0,young=1,frictionAngle=radians(1),poisson=0.4,density=1))
def sphereMat(): return JCFpmMat(type=1,young=1,frictionAngle=radians(1),density=1,poisson=1,tensileStrength=1e6,cohesion=1e6,jointNormalStiffness=1,jointShearStiffness=1,jointTensileStrength=1e6,jointCohesion=1e6,jointFrictionAngle=1)
############################ Import of the sphere assembly
print("\n In case of errors please look at README about generating parallellepiped_10.spheres file\n")
O.bodies.append(ymport.text(packing+'.spheres',scale=1,shift=Vector3(0,0,0),material=sphereMat)) #(-3,-4,-8)
#### some preprocessing (not mandatory)
dim=utils.aabbExtrema()
xinf=dim[0][0]
xsup=dim[1][0]
yinf=dim[0][1]
ysup=dim[1][1]
zinf=dim[0][2]
zsup=dim[1][2]
R=0
Rmax=0
numSpheres=0.
for o in O.bodies:
if isinstance(o.shape,Sphere):
o.shape.color=(0,0,1)
######################################################################
# A script for subdivision of macro perticles into a dense packing of
# smaller particles
#
# Each aggragate is a dense packing, but macroscopically the packing
# is loose
######################################################################
from yade import export,ymport
import random
random.seed(1) # to make colors always the same
# load macroparticles
sp = ymport.text('/tmp/cloud.txt')
colors = [randomColor() for s in sp]
# each macroparticle is filled randomDensePack
for si,s in enumerate(sp):
sphere = pack.inSphere(s.state.pos, s.shape.radius)
sp1 = pack.randomDensePack(
sphere,
spheresInCell = 500,
radius = .2,
memoizeDb = '/tmp/agglomeratepackaux.db',
returnSpherePack = True,
)
ids = sp1.toSimulation(color=colors[si]) # add the result to simulation with uniform color
for i in ids:
O.bodies[i].agglomerate = si # tell each particle who is its agglomerate
# save the result, including information of agglomerates which the particle belongs to
export.textExt('/tmp/divided.txt','x_y_z_r_attrs',attrs=['b.agglomerate'])
nu_Salt = 0.3
rho_Salt = 3.0 * 1e-9 * massScaling # t/mm3
#
O.materials.append(CohFrictMat(young=E_Salt,poisson=nu_Salt,\
frictionAngle=fric_Salt,density=rho_Salt,\
momentRotationLaw=False,alphaKr=2., alphaKtw=2.,\
normalCohesion=1000000., shearCohesion=100000000.,\
label='spheres'))
'''
sp=pack.SpherePack()
sp.makeCloud(mn,mx,-1,0.3333,num_spheres,False, 0.3,seed=1) #"seed" make the "random" generation always the same
sphBodies=sp.toSimulation(material='spheres')
'''
b = ymport.text('base_geom_100')
sphBodies = O.bodies.append(b)
#print sphBodies
bodyHeat.heatBodies = sphBodies
#bodyHeat.heatBodies.extend([4,5]) # adding upper and lower wall
bodyHeat.initHeatPropsList(bodyHeat.heatBodies, 500.,
430.0 * 1e6 / massScaling, 0.480)
#print heat.incTemp
#
# Simulation parameters
#----------------------
#
#### controling parameters
packing = "parallellepiped_10_persistentPlane30Deg"
smoothContact = True
jointFrict = radians(20)
jointDil = radians(0)
output = "jointDip30_jointFrict20"
maxIter = 10000
#### Import of the sphere assembly
def sphereMat():
return JCFpmMat(
type=1, young=1e8, frictionAngle=radians(30), density=3000
) ## Rq: density needs to be adapted as porosity of real rock is different to granular assembly due to difference in porosity (utils.sumForces(baseBodies,(0,1,0))/(Z*X) should be equal to Gamma*g*h with h=Y, g=9.82 and Gamma=2700 kg/m3
O.bodies.append(ymport.text(packing + ".spheres", scale=1.0, shift=Vector3(0, 0, 0), material=sphereMat))
## preprocessing to get dimensions of the packing
dim = utils.aabbExtrema()
dim = utils.aabbExtrema()
xinf = dim[0][0]
xsup = dim[1][0]
X = xsup - xinf
yinf = dim[0][1]
ysup = dim[1][1]
Y = ysup - yinf
zinf = dim[0][2]
zsup = dim[1][2]
Z = zsup - zinf
## preprocessing to get spheres dimensions
O=Omega() from yade import plot, pack,utils,ymport #### controling parameters packing='parallellepiped_10_persistentPlane30Deg' smoothContact=True jointFrict=radians(20) jointDil=radians(0) output='jointDip30_jointFrict20' maxIter=10000 #### Import of the sphere assembly def sphereMat(): return JCFpmMat(type=1,young=1e8,frictionAngle=radians(30),density=3000,poisson=0.3,tensileStrength=1e6,cohesion=1e6,jointNormalStiffness=1e7,jointShearStiffness=1e7,jointCohesion=1e6,jointFrictionAngle=jointFrict,jointDilationAngle=jointDil) ## Rq: density needs to be adapted as porosity of real rock is different to granular assembly due to difference in porosity (utils.sumForces(baseBodies,(0,1,0))/(Z*X) should be equal to Gamma*g*h with h=Y, g=9.82 and Gamma=2700 kg/m3 print "\n In case of errors please look at README about generating parallellepiped_10_persistentPlane30Deg.spheres file\n" O.bodies.append(ymport.text(packing+'.spheres',scale=1.,shift=Vector3(0,0,0),material=sphereMat)) ## preprocessing to get dimensions of the packing dim=utils.aabbExtrema() dim=utils.aabbExtrema() xinf=dim[0][0] xsup=dim[1][0] X=xsup-xinf yinf=dim[0][1] ysup=dim[1][1] Y=ysup-yinf zinf=dim[0][2] zsup=dim[1][2] Z=zsup-zinf ## preprocessing to get spheres dimensions
KFluid = 2.2e11 # bulk modulus of the fluid (1/compressibility) visc = 1 # viscosity of the fluid pFactor = 1.8e-11 # to scale the permeability of the rock matrix: useless if lines 133-136 are not commented (impermeable matrix) -> cf. permeametre.py: 1.8e-11 gives a permeability of 1e-16 m2 for 111_10k slotAperture = 1e-3 # initial aperture of pre-existing fracture where the injection is done ### hydraulic loading #flowRate=injectionf # injection flow rate ### Simulation Control saveData = 10 # data record interval #iterMax=20e3 saveVTK = 20 # number of Vtk files OUT = PACK + NAME ### preprocessing to get dimensions O.bodies.append(ymport.text(fPACK + PACK + '.spheres', scale=sc)) dim = utils.aabbExtrema() xinf = dim[0][0] xsup = dim[1][0] X = xsup - xinf yinf = dim[0][1] ysup = dim[1][1] Y = ysup - yinf zinf = dim[0][2] zsup = dim[1][2] Z = zsup - zinf R = 0 Rmax = 0 numSpheres = 0.
