kw={'material':0}
kwBoxes={'color':[1,0,0],'wire':False,'dynamic':False,'material':0}
kwMeshes={'color':[1,1,0],'wire':True,'dynamic':False,'material':0}
O.bodies.append(
pack.regularHexa(
(pack.inSphere((0,0,4),2)-pack.inSphere((0,-2,5),2)) & pack.notInNotch(centerPoint=(0,0,4),edge=(0,1,0),normal=(-1,1,-1),aperture=.2)
,radius=rad,gap=gap,color=(0,1,0),material=0) # head
+[utils.sphere((.8,1.9,5),radius=.2,color=(.6,.6,.6),material=0),utils.sphere((-.8,1.9,5),radius=.2,color=(.6,.6,.6),material=0),utils.sphere((0,2.4,4),radius=.4,color=(1,0,0),material=0)] # eyes and nose
+pack.regularHexa(pack.inCylinder((-1,2.2,3.3),(1,2.2,3.3),2*rad),radius=rad,gap=gap/3,color=(0.929,0.412,0.412),material=0) #mouth
)
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))
from woo import log, utils, pack, timing
#log.setLevel('FlatGridCollider',log.TRACE)
#O.bodies.append([ utils.sphere((0.2,0,0),.5,dynamic=False), utils.sphere((0.2,0.0,1.01),.5), ])
O.bodies.append(
pack.regularHexa(pack.inAlignedBox((0, 0, 0), (10, 10, 1)),
radius=.5,
gap=0,
dynamic=False))
O.bodies.append(
pack.regularOrtho(pack.inAlignedBox((3, 3, 3), (7, 7, 4)),
radius=.05,
gap=0))
O.engines = [
ForceResetter(),
FlatGridCollider(step=.2,
aabbMin=(0, 0, 0),
aabbMax=(10, 10, 5),
verletDist=0.005),
# InsertionSortCollider([Bo1_Sphere_Aabb()],sweepLength=0.005),
InteractionLoop(
[Ig2_Sphere_Sphere_Dem3DofGeom()],
[Ip2_FrictMat_FrictMat_FrictPhys()],
[Law2_Dem3DofGeom_FrictPhys_CundallStrack()],
),
GravityEngine(gravity=[0, 0, -10]),
NewtonIntegrator(damping=0.4),
]
O.dt = .6 * utils.PWaveTimeStep()
O.saveTmp()
#O.step()
#while True:
] # eyes and nose
+ pack.regularHexa(pack.inCylinder((-1, 2.2, 3.3), (1, 2.2, 3.3), 2 * rad),
radius=rad,
gap=gap / 3,
color=(0.929, 0.412, 0.412),
material=0) #mouth
)
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
from woo import *
from woo.core import *
from woo.dem import *
from minieigen import *
from woo import pack,log
import woo
log.setLevel('PeriIsoCompressor',log.DEBUG)
"""Simple script to create tunnel with random dense packing of spheres.
The tunnel is difference between an axis-aligned box and cylinder, or which
axis is going through the bottom wall (-z) of the box.
The tunnel hole is oriented along +y, the face is in the xz plane.
The first you run this scipt, a few minutes is neede to generate the packing. It is
saved in /tmp/triaxPackCache.sqlite and at next time it will be only loaded (fast).
"""
# set some geometry parameters: domain box size, tunnel radius, radius of particles
boxSize=Vector3(5,8,5)
tunnelRad=2
rSphere=.1
# construct spatial predicate as difference of box and cylinder:
# (see scripts/test/pack-predicates.py for details)
pred=pack.inAlignedBox((-.5*boxSize[0],-.5*boxSize[1],0),(.5*boxSize[0],.5*boxSize[1],boxSize[2])) - pack.inCylinder((-.5*boxSize[0],0,0),(.5*boxSize[0],0,0),tunnelRad)
# Use the predicate to generate sphere packing inside
pack.randomDensePack(pred,radius=rSphere,rRelFuzz=.3,memoizeDb='/tmp/triaxPackCache.sqlite',spheresInCell=3000).toSimulation(woo.master.scene)
from woo import qt
qt.Controller()
qt.View()
from woo import pack,plot # the "if 0:" block will be never executed, therefore the "else:" block will be # to use cloud instead of regular packing, change to "if 1:" or something similar if 0: # create cloud of spheres and insert them into the simulation # we give corners, mean radius, radius variation sp=pack.SpherePack() sp.makeCloud((0,0,0),(2,2,2),rMean=.1,rRelFuzz=.6,periodic=True) # insert the packing into the simulation sp.toSimulation(color=(0,0,1)) # pure blue else: # in this case, add dense packing O.bodies.append( pack.regularHexa(pack.inAlignedBox((0,0,0),(2,2,2)),radius=.1,gap=0,color=(0,0,1)) ) # create "dense" packing by setting friction to zero initially O.materials[0].frictionAngle=0 # simulation loop (will be run at every step) O.engines=[ ForceResetter(), InsertionSortCollider([Bo1_Sphere_Aabb()]), InteractionLoop( [Ig2_Sphere_Sphere_L3Geom()], [Ip2_FrictMat_FrictMat_FrictPhys()], [Law2_L3Geom_FrictPhys_ElPerfPl()] ), NewtonIntegrator(damping=.4),
log.setLevel('PeriIsoCompressor', log.DEBUG)
"""Simple script to create tunnel with random dense packing of spheres.
The tunnel is difference between an axis-aligned box and cylinder, or which
axis is going through the bottom wall (-z) of the box.
The tunnel hole is oriented along +y, the face is in the xz plane.
The first you run this scipt, a few minutes is neede to generate the packing. It is
saved in /tmp/triaxPackCache.sqlite and at next time it will be only loaded (fast).
"""
# set some geometry parameters: domain box size, tunnel radius, radius of particles
boxSize = Vector3(5, 8, 5)
tunnelRad = 2
rSphere = .1
# construct spatial predicate as difference of box and cylinder:
# (see scripts/test/pack-predicates.py for details)
pred = pack.inAlignedBox(
(-.5 * boxSize[0], -.5 * boxSize[1], 0),
(.5 * boxSize[0], .5 * boxSize[1], boxSize[2])) - pack.inCylinder(
(-.5 * boxSize[0], 0, 0), (.5 * boxSize[0], 0, 0), tunnelRad)
# Use the predicate to generate sphere packing inside
pack.randomDensePack(pred,
radius=rSphere,
rRelFuzz=.3,
memoizeDb='/tmp/triaxPackCache.sqlite',
spheresInCell=3000).toSimulation(woo.master.scene)
from woo import qt
qt.Controller()
qt.View()
from woo import log,utils,pack,timing
#log.setLevel('FlatGridCollider',log.TRACE)
#O.bodies.append([ utils.sphere((0.2,0,0),.5,dynamic=False), utils.sphere((0.2,0.0,1.01),.5), ])
O.bodies.append(pack.regularHexa(pack.inAlignedBox((0,0,0),(10,10,1)),radius=.5,gap=0,dynamic=False))
O.bodies.append(pack.regularOrtho(pack.inAlignedBox((3,3,3),(7,7,4)),radius=.05,gap=0))
O.engines=[
ForceResetter(),
FlatGridCollider(step=.2,aabbMin=(0,0,0),aabbMax=(10,10,5),verletDist=0.005),
# InsertionSortCollider([Bo1_Sphere_Aabb()],sweepLength=0.005),
InteractionLoop(
[Ig2_Sphere_Sphere_Dem3DofGeom()],
[Ip2_FrictMat_FrictMat_FrictPhys()],
[Law2_Dem3DofGeom_FrictPhys_CundallStrack()],
),
GravityEngine(gravity=[0,0,-10]),
NewtonIntegrator(damping=0.4),
]
O.dt=.6*utils.PWaveTimeStep()
O.saveTmp()
#O.step()
#while True:
# O.step()
# if len(O.interactions)>0 or O.bodies[1].state.pos[2]<.97: break
O.timingEnabled=True
O.run(5000,True)
timing.stats()
import sys
#sys.exit(0)
from woo import log,utils,pack,timing
#log.setLevel('FlatGridCollider',log.TRACE)
#O.bodies.append([ utils.sphere((0.2,0,0),.5,dynamic=False), utils.sphere((0.2,0.0,1.01),.5), ])
O.bodies.append(pack.regularHexa(pack.inAlignedBox((0,0,0),(10,10,1)),radius=.5,gap=0,dynamic=False))
O.bodies.append(pack.regularOrtho(pack.inAlignedBox((3,3,3),(7,7,4)),radius=.05,gap=0))
O.engines=[
ForceResetter(),
FlatGridCollider(step=.2,aabbMin=(0,0,0),aabbMax=(10,10,5),verletDist=0.005),
# InsertionSortCollider([Bo1_Sphere_Aabb()],sweepLength=0.005),
InteractionLoop(
[Ig2_Sphere_Sphere_Dem3DofGeom()],
[Ip2_FrictMat_FrictMat_FrictPhys()],
[Law2_Dem3DofGeom_FrictPhys_CundallStrack()],
),
GravityEngine(gravity=[0,0,-10]),
NewtonIntegrator(damping=0.4),
]
O.dt=.6*utils.PWaveTimeStep()
O.saveTmp()
#O.step()
#while True:
# O.step()
# if len(O.interactions)>0 or O.bodies[1].state.pos[2]<.97: break
O.timingEnabled=True
O.run(5000,True)
timing.stats()
import sys
#sys.exit(0)
