genDim=4,4,4 # dim will be made by generating genDim and copying margin=0 r=.01 ktDivKn=.2 sim=clDem.Simulation(breakTension=True,ktDivKn=ktDivKn,opts="-cl-strict-aliasing ") sim.scene.materials=[clDem.FrictMat(young=1e6,density=1e3,ktDivKn=.2,tanPhi=.5)] sim.scene.gravity=(-4,-5,-10) sim.scene.damping=.4 sim.scene.verletDist=.3*r sim.scene.dt=-.4 sim.maxScheduledSteps=10 if 1: sim.par.append(clDem.mkWall(pos=(0,0,0),axis=2,sim=sim,matId=0,groups=0b011)) sim.par.append(clDem.mkWall(pos=(0,0,0),axis=0,sim=sim,matId=0,groups=0b011)) sim.par.append(clDem.mkWall(pos=(0,0,0),axis=1,sim=sim,matId=0,groups=0b011)) else: # ground for x0,x1 in itertools.product(range(0,dim[0]),range(0,dim[1])): sim.par.append(clDem.mkSphere((x0*2*r,x1*2*r,0),r,sim,matId=0,groups=0b011,fixed=True)) # walls/ground spheres are in loneGroups, but collide with spheres below (0b001) as well sim.scene.loneGroups=0b010 #sim.collideGpu = True import woo.pack sp=woo.pack.SpherePack() sp.makeCloud((0,0,0),2*r*Vector3(genDim),r,rRelFuzz=.5,periodic=True) sp.translate(2*r*Vector3.Ones)
import sys
sys.path.append('..')
import clDem
from miniEigen import *
from math import *
# set platform and device numbers here
# if left at -1, first platform and device will be used
# you will be notified in the terminal as well
sim=clDem.Simulation(platformNum=2,deviceNum=0,breakTension=True,ktDivKn=.2,opts="-cl-strict-aliasing -I..")
sim.scene.materials=[clDem.FrictMat(young=1e6,density=1e3,ktDivKn=.2,tanPhi=.5)]
# add boundaries
for axis in 0,1,2: sim.par.append(clDem.mkWall(pos=(0,0,0),axis=axis,sim=sim,matId=0,groups=0b011))
# load spheres from file
for l in file(sys.argv[1]):
if l.startswith('#'): continue
x,y,z,r=[float(n) for n in l.split()]
sim.par.append(clDem.mkSphere((x,y,z),r,sim,matId=0,groups=0b001,fixed=False))
sim.scene.gravity=(-4,-5,-10)
sim.scene.damping=.4
sim.scene.verletDist=-.3 # negative means relative to minimum sphere size
sim.scene.loneGroups=0b010 # no contacts of walls with themselves
sim.showND=0 # show NDRange for all kernels every 20 steps; set to 0 to disable
# maximum number of enqueued steps (times 7 kernels/step), before returning back to CPU
sim.maxScheduledSteps=100
if 1:
from math import * import pylab, itertools, random pNum=int(sys.argv[1]) if len(sys.argv)>1 else -1 dNum=int(sys.argv[2]) if len(sys.argv)>2 else -1 sim=clDem.Simulation(pNum,dNum,breakTension=True,trackEnergy=True) r=0.1 sim.scene.materials=[clDem.ElastMat(young=1e6,density=1e3)] sim.scene.gravity=(0,0,-10) sim.scene.damping=.4 sim.scene.verletDist=.2*r # collision detection in this case sim.maxScheduledSteps=1 sim.par.append(clDem.mkWall(pos=(-10,-10,5),axis=2,sim=sim,matId=0)) sim.par.append(clDem.mkSphere(pos=(2,2,5+1.1*r),radius=r,sim=sim,matId=0)) sim.par[-1].vel=(0,0,-.0005) sim.scene.dt=.2*sim.pWaveDt() sim.run(1) #for i in range(0,len(sim.par)): # print i,sim.getBbox(i) if 1: from woo import * import woo.cld import woo.log import woo.gl S=woo.master.scene
# set platform and device numbers here
# if left at -1, first platform and device will be used
# you will be notified in the terminal as well
sim = clDem.Simulation(platformNum=2,
deviceNum=0,
breakTension=True,
ktDivKn=.2,
opts="-cl-strict-aliasing -I..")
sim.scene.materials = [
clDem.FrictMat(young=1e6, density=1e3, ktDivKn=.2, tanPhi=.5)
]
# add boundaries
for axis in 0, 1, 2:
sim.par.append(
clDem.mkWall(pos=(0, 0, 0), axis=axis, sim=sim, matId=0, groups=0b011))
# load spheres from file
for l in file(sys.argv[1]):
if l.startswith('#'): continue
x, y, z, r = [float(n) for n in l.split()]
sim.par.append(
clDem.mkSphere((x, y, z), r, sim, matId=0, groups=0b001, fixed=False))
sim.scene.gravity = (-4, -5, -10)
sim.scene.damping = .4
sim.scene.verletDist = -.3 # negative means relative to minimum sphere size
sim.scene.loneGroups = 0b010 # no contacts of walls with themselves
sim.showND = 0 # show NDRange for all kernels every 20 steps; set to 0 to disable
# maximum number of enqueued steps (times 7 kernels/step), before returning back to CPU
