from yade import geom,log
shotsId,steelId=O.materials.append([
FrictMat(young=50e9,density=6000,poisson=.2,label='shots'),
FrictMat(young=210e9,density=7800, poisson=.3,label='steel'),
])
## same as
#
# shotsId,steelId=O.materials.index('shots'),O.materials.index('steel')
#
O.bodies.append(geom.facetBox(center=(0,0,0),extents=(30e-3,30e-3,0),wallMask=32,wire=False,material='steel',color=(0,1,.3)))
O.engines=[
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()],verletDist=.05*.29e-3),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom(),Ig2_Facet_Sphere_ScGeom()],
[Ip2_FrictMat_FrictMat_MindlinPhys(
# define restitution coefficients between different pairs of material ids, see the functor's documentation for details
#en=MatchMaker(fallback='zero',matches=((steelId,shotsId,.4),(shotsId,shotsId,1)))
en=MatchMaker(matches=((steelId,shotsId,.4),(shotsId,shotsId,1)))
)],
[Law2_ScGeom_MindlinPhys_Mindlin(label='contactLaw')]
),
NewtonIntegrator(damping=0),
## CircularFactory: disk if length=0 or cylinder if length>0
#CircularFactory(maxParticles=10000,radius=8e-3,length=16e-3,center=(0,-15e-3,15e-3),rMin=0.28e-3,rMax=0.29e-3,vMin=100,vMax=100,vAngle=0,massFlowRate=100./60,normal=(0,1.5,-1),label='factory',materialId=shotsId),
## BoxFactory: a line, plane or cuboid
BoxFactory(maxParticles=10000,extents=(8e-3,8e-3,8e-3),center=(0,-15e-3,15e-3),rMin=0.28e-3,rMax=0.29e-3,vMin=100,vMax=100,vAngle=0,massFlowRate=100./60,normal=(0,1.5,-1),label='factory',materialId=shotsId),
### Creating the Buldozer Knife
### from facets, using GTS
Knife = []
for i in linspace(pi, pi * 3 / 2, num=numKnifeParts, endpoint=True):
Knife.append(Vector3(radiusKnife * cos(i), 0, radiusKnife * sin(i)))
KnifeP = [Knife, [p + Vector3(0, lengthKnife, 0) for p in Knife]]
KnifePoly = pack.sweptPolylines2gtsSurface(KnifeP, threshold=1e-4)
KnifeIDs = []
KnifeIDs = O.bodies.append(
pack.gtsSurface2Facets(KnifePoly, color=(1, 0, 0), wire=False))
KnifeIDs += O.bodies.append(
geom.facetBox((-lengthKnife / 2 - radiusKnife, lengthKnife / 2,
-radiusKnife + buldozerHeight / 2),
(lengthKnife / 2, lengthKnife / 2, buldozerHeight / 2.),
wallMask=47,
color=(0, 1, 0),
wire=False))
KnifeIDs += O.bodies.append(
geom.facetBox(
(-lengthKnife / 2 - radiusKnife - lengthKnife / 4., lengthKnife / 2,
-radiusKnife + buldozerHeight * 3. / 2. - buldozerHeight / 4.),
(lengthKnife / 4., lengthKnife / 3., buldozerHeight / 4.),
wallMask=47,
color=(0, 0, 1),
wire=False))
O.bodies.append(
geom.facetBox((0, lengthKnife / 2, radiusKnife),
(lengthKnife * 4, lengthKnife * 4, lengthKnife),
groundId=O.bodies.append(utils.facet([(12,0,-6),(0,12,-6,),(-12,-12,-6)],dynamic=False)) # ground
for part in [
pack.regularHexa (
pack.inAlignedBox((-2,-2,-2),(2,2,2))-pack.inCylinder((0,-2,0),(0,2,0),1),
radius=1.5*rad,gap=2*gap,color=(1,0,1),**kw), # body,
pack.regularOrtho(pack.inEllipsoid((-1,0,-4),(1,1,2)),radius=rad,gap=0,color=(0,1,1),**kw), # left leg
pack.regularHexa (pack.inCylinder((+1,1,-2.5),(0,3,-5),1),radius=rad,gap=gap,color=(0,1,1),**kw), # right leg
pack.regularHexa (pack.inHyperboloid((+2,0,1),(+6,0,0),1,.5),radius=rad,gap=gap,color=(0,0,1),**kw), # right hand
pack.regularOrtho(pack.inCylinder((-2,0,2),(-5,0,4),1),radius=rad,gap=gap,color=(0,0,1),**kw) # left hand
]: O.bodies.appendClumped(part)
# Example of geom.facetBox usage
oriBody = Quaternion(Vector3(0,0,1),(math.pi/3))
O.bodies.append(geom.facetBox((12,0,-6+0.9),(1,0.7,0.9),oriBody,**kwBoxes))
oriBody = Quaternion(Vector3(0,0,1),(math.pi/2))
O.bodies.append(geom.facetBox((0,12,-6+0.9),(1,0.7,0.9),oriBody,**kwBoxes))
oriBody = Quaternion(Vector3(0,0,1),(math.pi))
O.bodies.append(geom.facetBox((-12,-12,-6+0.9),(1,0.7,0.9),oriBody,**kwBoxes))
# Example of geom.facetCylinder, facetHelix and RotationEngine usage example
oriBody = Quaternion(Vector3(1,0,0),(math.pi/2.0))
rotateIDs=O.bodies.append(geom.facetHelix((-7.0,-6.0,-5.0),radiusOuter=2.0,radiusInner=0.1,pitch=2.0,orientation=oriBody,segmentsNumber=50,angleRange=[math.pi*8.0,0],**kwBoxes))
O.bodies.append(geom.facetCylinder((-7.0,-12.0,-5.0),radius=2.0,height=7.0,orientation=oriBody,segmentsNumber=10,wallMask=4,**kwMeshes))
O.bodies.append(geom.facetCylinder((-7.0,-7.0,-5.0),radius=2.0,height=4.0,segmentsNumber=10,wallMask=4,angleRange=[-math.pi*0.2,math.pi*1.2],**kwMeshes))
oriBody = Quaternion(Vector3(0,0,1),(math.pi/2))
O.bodies.append(ymport.gmsh('cone.mesh',orientation=oriBody,**kwMeshes))#generates facets from the mesh file
radius=rad,
gap=gap,
color=(0, 0, 1),
**kw), # right hand
pack.regularOrtho(pack.inCylinder((-2, 0, 2), (-5, 0, 4), 1),
radius=rad,
gap=gap,
color=(0, 0, 1),
**kw) # left hand
]:
O.bodies.appendClumped(part)
# Example of geom.facetBox usage
oriBody = Quaternion(Vector3(0, 0, 1), (math.pi / 3))
O.bodies.append(
geom.facetBox((12, 0, -6 + 0.9), (1, 0.7, 0.9), oriBody, **kwBoxes))
oriBody = Quaternion(Vector3(0, 0, 1), (math.pi / 2))
O.bodies.append(
geom.facetBox((0, 12, -6 + 0.9), (1, 0.7, 0.9), oriBody, **kwBoxes))
oriBody = Quaternion(Vector3(0, 0, 1), (math.pi))
O.bodies.append(
geom.facetBox((-12, -12, -6 + 0.9), (1, 0.7, 0.9), oriBody, **kwBoxes))
# Example of geom.facetParallelepiped usage
oriBody = Quaternion(Vector3(0, 0, 1), (math.pi / 3))
O.bodies.append(
geom.facetParallelepiped(center=Vector3(12, 0, -6 + 2.7),
extents=Vector3(1, 0.7, 0.9),
height=0.5,
from yade import geom, log
shotsId, steelId = O.materials.append([
FrictMat(young=50e9, density=6000, poisson=.2, label='shots'),
FrictMat(young=210e9, density=7800, poisson=.3, label='steel'),
])
## same as
#
# shotsId,steelId=O.materials.index('shots'),O.materials.index('steel')
#
O.bodies.append(
geom.facetBox(center=(0, 0, 0),
extents=(30e-3, 30e-3, 0),
wallMask=32,
wire=False,
material='steel',
color=(0, 1, .3)))
O.engines = [
ForceResetter(),
InsertionSortCollider(
[Bo1_Sphere_Aabb(), Bo1_Facet_Aabb()], verletDist=.05 * .29e-3),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom(),
Ig2_Facet_Sphere_ScGeom()],
[
Ip2_FrictMat_FrictMat_MindlinPhys(
# define restitution coefficients between different pairs of material ids, see the functor's documentation for details
#en=MatchMaker(fallback='zero',matches=((steelId,shotsId,.4),(shotsId,shotsId,1)))
en=MatchMaker(matches=((steelId, shotsId, .4),
density = 2700
# facets material
params = getViscoelasticFromSpheresInteraction(tc, en, es)
facetMat = O.materials.append(ViscElMat(
frictionAngle=frictionAngle, **params)) # **params sets kn, cn, ks, cs
# default spheres material
dfltSpheresMat = O.materials.append(
ViscElMat(density=density, frictionAngle=frictionAngle, **params))
O.dt = .05 * tc # time step
Rs = 0.1 # particle radius
# Create geometry
box = O.bodies.append(
geom.facetBox((0, 0, 0), (1, 1, 1), wallMask=31, material=facetMat))
# Create clumps...
for j in xrange(10):
clpId, sphId = O.bodies.appendClumped([
sphere(Vector3(0, Rs * 2 * i, (j + 1) * Rs * 2),
Rs,
material=dfltSpheresMat) for i in xrange(4)
])
# ... and spheres
sphAloneId = O.bodies.append([
sphere(Vector3(0.5, Rs * 2 * i, (j + 1) * Rs * 2),
Rs,
material=dfltSpheresMat) for i in xrange(4)
])
## Materials facetMat=O.materials.append(ViscElMat(frictionAngle=frictionAngle,tc=tc,en=en,et=es)) sphereMat=O.materials.append(ViscElMat(density=Density,frictionAngle=frictionAngle,tc=tc,en=en,et=es)) ### Creating the Buldozer Knife ### from facets, using GTS Knife=[] for i in linspace(pi, pi*3/2, num=numKnifeParts, endpoint=True): Knife.append(Vector3(radiusKnife*cos(i),0,radiusKnife*sin(i))) KnifeP=[Knife,[p+Vector3(0,lengthKnife,0) for p in Knife]] KnifePoly=pack.sweptPolylines2gtsSurface(KnifeP,threshold=1e-4) KnifeIDs=O.bodies.append(pack.gtsSurface2Facets(KnifePoly,color=(1,0,0),wire=False,material=facetMat)) KnifeIDs+=O.bodies.append(geom.facetBox((-lengthKnife/2-radiusKnife,lengthKnife/2,-radiusKnife+buldozerHeight/2),(lengthKnife/2,lengthKnife/2,buldozerHeight/2.),wallMask=47,color=(0,1,0),wire=False)) KnifeIDs+=O.bodies.append(geom.facetBox((-lengthKnife/2-radiusKnife-lengthKnife/4.,lengthKnife/2,-radiusKnife+buldozerHeight*3./2.-buldozerHeight/4.),(lengthKnife/4.,lengthKnife/3.,buldozerHeight/4.),wallMask=47,color=(0,0,1),wire=False)) O.bodies.append(geom.facetBox((0,0,radiusKnife),(lengthKnife*3,lengthKnife*3,lengthKnife),wallMask=16,color=(1,1,1),wire=False,material=facetMat)) ### Creating the material for buldozer colorsph1=Vector3(120,234,150); colorsph2=Vector3(0,0,1); colorsph1.normalize(); colorsph2.normalize(); colorSph=colorsph1 for xyz in itertools.product(arange(0,numBoxes[0]),arange(0,numBoxes[1]),arange(0,numBoxes[2])): ids_spheres=O.bodies.appendClumped(pack.regularHexa(pack.inEllipsoid((xyz[0]*(sizeBox+gapBetweenBoxes),xyz[1]*(sizeBox+gapBetweenBoxes)+sizeBox*0.5,xyz[2]*(sizeBox+gapBetweenBoxes)-radiusKnife+sizeBox*0.6),(sizeBox/2,sizeBox/2,sizeBox/2)),radius=radiusSph,gap=0,color=colorSph,material=sphereMat))
rad = 0.5 # particle radius
tolerance = 0.0001
SpheresID = []
SpheresID += O.bodies.append(
pack.regularHexa(
pack.inSphere((Vector3(0.0, 0.0, 0.0)), rad), radius=rad / rR, gap=rad / rR * 0.5, material=defMat
)
)
geometryParameters = bodiesHandling.spheresPackDimensions(SpheresID)
print len(SpheresID)
floorId = []
floorId += O.bodies.append(
geom.facetBox(geometryParameters["center"], geometryParameters["extends"] / 2.0 * 1.05, material=defMat)
) # Floor
# Calculate the mass of spheres
sphMass = getSpheresVolume() * density
# Create engines
O.engines = [
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb(), Bo1_Facet_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom(), Ig2_Facet_Sphere_ScGeom()],
[Ip2_ViscElMat_ViscElMat_ViscElPhys()],
[Law2_ScGeom_ViscElPhys_Basic()],
),
NewtonIntegrator(damping=0, gravity=[0, 0, -9.81]),
params=utils.getViscoelasticFromSpheresInteraction(tc,en,es) defMat=O.materials.append(ViscElMat(density=density,frictionAngle=frictionAngle,**params)) # **params sets kn, cn, ks, cs O.dt=.1*tc # time step rad=0.5 # particle radius tolerance = 0.0001 SpheresID=[] SpheresID+=O.bodies.append(pack.regularHexa(pack.inSphere((Vector3(0.0,0.0,0.0)),rad),radius=rad/rR,gap=rad/rR*0.5,material=defMat)) geometryParameters = bodiesHandling.spheresPackDimensions(SpheresID) print len(SpheresID) floorId=[] floorId+=O.bodies.append(geom.facetBox(geometryParameters['center'],geometryParameters['extends']/2.0*1.05,material=defMat)) #Floor #Calculate the mass of spheres sphMass = utils.getSpheresVolume()*density # Create engines O.engines=[ ForceResetter(), InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()]), InteractionLoop( [Ig2_Sphere_Sphere_ScGeom(), Ig2_Facet_Sphere_ScGeom()], [Ip2_ViscElMat_ViscElMat_ViscElPhys()], [Law2_ScGeom_ViscElPhys_Basic()], ), NewtonIntegrator(damping=0,gravity=[0,0,-9.81]), ]
frictionAngle=radians(35) density=2300 defMat=O.materials.append(ViscElMat(density=density,frictionAngle=frictionAngle,tc=tc,en=en,et=es)) O.dt=.1*tc # time step rad=0.5 # particle radius tolerance = 0.0001 SpheresID=[] SpheresID+=O.bodies.append(pack.regularHexa(pack.inSphere((Vector3(0.0,0.0,0.0)),rad),radius=rad/rR,gap=rad/rR*0.5,material=defMat)) geometryParameters = bodiesHandling.spheresPackDimensions(SpheresID) print(len(SpheresID)) floorId=[] floorId+=O.bodies.append(geom.facetBox(geometryParameters['center'],geometryParameters['extends']/2.0*1.05,material=defMat)) #Floor #Calculate the mass of spheres sphMass = getSpheresVolume()*density # Create engines O.engines=[ ForceResetter(), InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()]), InteractionLoop( [Ig2_Sphere_Sphere_ScGeom(), Ig2_Facet_Sphere_ScGeom()], [Ip2_ViscElMat_ViscElMat_ViscElPhys()], [Law2_ScGeom_ViscElPhys_Basic()], ), NewtonIntegrator(damping=0,gravity=[0,-9.81,0]), ]
frictionAngle=radians(35) density=2300 defMat=O.materials.append(ViscElMat(density=density,frictionAngle=frictionAngle,tc=tc,en=en,et=es)) O.dt=.1*tc # time step rad=0.2 # particle radius tolerance = 0.0001 SpheresID=[] SpheresID+=O.bodies.append(pack.regularHexa(pack.inSphere((Vector3(0.0,0.0,0.0)),0.5),radius=rad,gap=rad*0.5,material=defMat)) floorId=[] floorId+=O.bodies.append(geom.facetBox((0,0,0),(0.6,0.6,0.6),material=defMat)) #Floor #Calculate the weight of spheres sphMass = utils.getSpheresVolume()*density*9.81 # Create engines O.engines=[ ForceResetter(), InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()]), InteractionLoop( [Ig2_Sphere_Sphere_ScGeom(), Ig2_Facet_Sphere_ScGeom()], [Ip2_ViscElMat_ViscElMat_ViscElPhys()], [Law2_ScGeom_ViscElPhys_Basic()], ), NewtonIntegrator(damping=0.0,gravity=[0.0,0.0,-9.81])
et=es))
O.dt = .1 * tc # time step
rad = 0.2 # particle radius
tolerance = 0.0001
SpheresID = []
SpheresID += O.bodies.append(
pack.regularHexa(pack.inSphere((Vector3(0.0, 0.0, 0.0)), 0.5),
radius=rad,
gap=rad * 0.5,
material=defMat))
floorId = []
floorId += O.bodies.append(
geom.facetBox((0, 0, 0), (0.6, 0.6, 0.6), material=defMat)) #Floor
#Calculate the weight of spheres
sphMass = utils.getSpheresVolume() * density * 9.81
# Create engines
O.engines = [
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb(),
Bo1_Facet_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom(),
Ig2_Facet_Sphere_ScGeom()],
[Ip2_ViscElMat_ViscElMat_ViscElPhys()],
[Law2_ScGeom_ViscElPhys_Basic()],
),
@title：Configuration-Container
"""
from yade import geom, utils
from configuration_material import m_wall
#building boxes -----
box_length = 800.0
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),
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_right)
O.bodies.append(wall_left)
O.bodies.append(wall_bottom)
density=2300 params=utils.getViscoelasticFromSpheresInteraction(tc,en,es) defMat=O.materials.append(ViscElMat(density=density,frictionAngle=frictionAngle,**params)) # **params sets kn, cn, ks, cs O.dt=.1*tc # time step rad=0.2 # particle radius tolerance = 0.0001 SpheresID=[] SpheresID+=O.bodies.append(pack.regularHexa(pack.inSphere((Vector3(0.0,0.0,0.0)),0.5),radius=rad,gap=rad*0.5,material=defMat)) floorId=[] floorId+=O.bodies.append(geom.facetBox((0,0,0),(0.6,0.6,0.6),material=defMat)) #Floor #Calculate the weight of spheres sphMass = utils.getSpheresVolume()*density*9.81 # Create engines O.engines=[ ForceResetter(), InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()]), InteractionLoop( [Ig2_Sphere_Sphere_ScGeom(), Ig2_Facet_Sphere_ScGeom()], [Ip2_ViscElMat_ViscElMat_ViscElPhys()], [Law2_ScGeom_ViscElPhys_Basic()], ), NewtonIntegrator(damping=0.0,gravity=[0.0,0.0,-9.81])
### Creating the Buldozer Knife ### from facets, using GTS Knife=[] for i in linspace(pi, pi*3/2, num=numKnifeParts, endpoint=True): Knife.append(Vector3(radiusKnife*cos(i),0,radiusKnife*sin(i))) KnifeP=[Knife,[p+Vector3(0,lengthKnife,0) for p in Knife]] KnifePoly=pack.sweptPolylines2gtsSurface(KnifeP,threshold=1e-4) KnifeIDs=[] KnifeIDs=O.bodies.append(pack.gtsSurface2Facets(KnifePoly,color=(1,0,0),wire=False)) KnifeIDs+=O.bodies.append(geom.facetBox((-lengthKnife/2-radiusKnife,lengthKnife/2,-radiusKnife+buldozerHeight/2),(lengthKnife/2,lengthKnife/2,buldozerHeight/2.),wallMask=47,color=(0,1,0),wire=False)) KnifeIDs+=O.bodies.append(geom.facetBox((-lengthKnife/2-radiusKnife-lengthKnife/4.,lengthKnife/2,-radiusKnife+buldozerHeight*3./2.-buldozerHeight/4.),(lengthKnife/4.,lengthKnife/3.,buldozerHeight/4.),wallMask=47,color=(0,0,1),wire=False)) O.bodies.append(geom.facetBox((0,lengthKnife/2,radiusKnife),(lengthKnife*4,lengthKnife*4,lengthKnife),wallMask=16,color=(1,1,1),wire=False)) ### Creating the material for buldozer colorsph1=Vector3(120,234,150); colorsph2=Vector3(1,1,0); colorsph1.normalize(); colorsph2.normalize();
en=.3 # normal restitution coefficient es=.3 # tangential restitution coefficient frictionAngle=radians(35)# density=2700 # facets material params=utils.getViscoelasticFromSpheresInteraction(tc,en,es) facetMat=O.materials.append(ViscElMat(frictionAngle=frictionAngle,**params)) # **params sets kn, cn, ks, cs # default spheres material dfltSpheresMat=O.materials.append(ViscElMat(density=density,frictionAngle=frictionAngle,**params)) O.dt=.05*tc # time step Rs=0.1 # particle radius # Create geometry box = O.bodies.append(geom.facetBox((0,0,0),(1,1,1),wallMask=31,material=facetMat)) # Create clumps... for j in xrange(10): clpId,sphId=O.bodies.appendClumped([utils.sphere(Vector3(0,Rs*2*i,(j+1)*Rs*2),Rs,material=dfltSpheresMat) for i in xrange(4)]) # ... and spheres sphAloneId=O.bodies.append( [utils.sphere( Vector3(0.5,Rs*2*i,(j+1)*Rs*2), Rs, material=dfltSpheresMat) for i in xrange(4) ] ) # Create engines O.engines=[ ForceResetter(), InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()]), InteractionLoop( [Ig2_Sphere_Sphere_ScGeom(), Ig2_Facet_Sphere_ScGeom()],
tolerance = 0.0001
SpheresID = []
SpheresID += O.bodies.append(
pack.regularHexa(pack.inSphere((Vector3(0.0, 0.0, 0.0)), rad),
radius=rad / rR,
gap=rad / rR * 0.5,
material=defMat))
geometryParameters = bodiesHandling.spheresPackDimensions(SpheresID)
print len(SpheresID)
floorId = []
floorId += O.bodies.append(
geom.facetBox(geometryParameters['center'],
geometryParameters['extends'] / 2.0 * 1.05,
material=defMat)) #Floor
#Calculate the mass of spheres
sphMass = getSpheresVolume() * density
# Create engines
O.engines = [
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb(),
Bo1_Facet_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom(),
Ig2_Facet_Sphere_ScGeom()],
[Ip2_ViscElMat_ViscElMat_ViscElPhys()],
[Law2_ScGeom_ViscElPhys_Basic()],
