]
#Generate a spiral
Ne = 200
for i in range(0, Ne):
omega = 60.0 / float(Ne)
hy = 0.10
hz = 0.15
px = float(i) * (omega / 60.0)
py = sin(float(i) * omega) * hy
pz = cos(float(i) * omega) * hz
px2 = float(i + 1.) * (omega / 60.0)
py2 = sin(float(i + 1.) * omega) * hy
pz2 = cos(float(i + 1.) * omega) * hz
utils.chainedCylinder(begin=Vector3(pz, py, px),
radius=0.005,
end=Vector3(pz2, py2, px2),
color=Vector3(0.6, 0.5, 0.5))
def outp(id=1):
for i in O.interactions:
if i.id1 == 1:
print i.phys.shearForce
print i.phys.normalForce
return i
O.bodies[Ne - 1].state.blockedDOFs = 'xyzXYZ'
woo.qt.View()
#plot some results
]
# Generate a spiral
Ne = 200
for i in range(0, Ne):
omega = 60.0 / float(Ne)
hy = 0.10
hz = 0.15
px = float(i) * (omega / 60.0)
py = sin(float(i) * omega) * hy
pz = cos(float(i) * omega) * hz
px2 = float(i + 1.0) * (omega / 60.0)
py2 = sin(float(i + 1.0) * omega) * hy
pz2 = cos(float(i + 1.0) * omega) * hz
utils.chainedCylinder(
begin=Vector3(pz, py, px), radius=0.005, end=Vector3(pz2, py2, px2), color=Vector3(0.6, 0.5, 0.5)
)
def outp(id=1):
for i in O.interactions:
if i.id1 == 1:
print i.phys.shearForce
print i.phys.normalForce
return i
O.bodies[Ne - 1].state.blockedDOFs = "xyzXYZ"
woo.qt.View()
dyj = abs(float(j)) * dy
dxj = abs(float(j)) * dx
dzj = float(j) * dz
for i in range(0, Ne):
omega = 20 / float(Ne)
hy = 0.0
hz = 0.05
hx = 1.5
px = float(i) * hx / float(Ne) - 0.8 + dxj
py = sin(float(i) * omega) * hy + dyj
pz = cos(float(i) * omega) * hz + dzj
px2 = float(i + 1.) * hx / float(Ne) - 0.8 + dxj
py2 = sin(float(i + 1.) * omega) * hy + dyj
pz2 = cos(float(i + 1.) * omega) * hz + dzj
utils.chainedCylinder(begin=Vector3(pz, py, px),
radius=0.02,
end=Vector3(pz2, py2, px2),
color=Vector3(0.6, 0.5, 0.5),
material='cylindermat')
if (i == Ne - 1): #close the chain with a node of size 0
print "closing chain"
b = utils.chainedCylinder(begin=Vector3(pz2, py2, px2),
radius=0.02,
end=Vector3(pz2, py2, px2),
color=Vector3(0.6, 0.5, 0.5),
material='cylindermat')
b.state.blockedDOFs = ['x', 'y', 'z', 'rx', 'ry', 'rz']
ChainedState.currentChain = ChainedState.currentChain + 1
O.saveTmp()
), ## Apply gravity GravityEngine(gravity=[1,-9.81,0],label='gravity'), ## Motion equation NewtonIntegrator(damping=0.05,label='newton'), ] #Assemble cylinders in sinusoidal shapes O.materials.append(CohFrictMat(young=young,poisson=poisson,density=3.0*density,frictionAngle=frictionAngle3,normalCohesion=1e40,shearCohesion=1e40,momentRotationLaw=True,label='cylindermat')) Ne=30 dy=0.03 dx=0.2 dz=0.2 Nc=1 #nb. of additional chains for j in range(-Nc, Nc+1): dyj = abs(float(j))*dy dxj = abs(float(j))*dx dzj = float(j)*dz for i in range(0, Ne): omega=20/float(Ne); hy=0.0; hz=0.05; hx=1.5; px=float(i)*hx/float(Ne)-0.8+dxj; py=sin(float(i)*omega)*hy+dyj; pz=cos(float(i)*omega)*hz+dzj; px2=float(i+1.)*hx/float(Ne)-0.8+dxj; py2=sin(float(i+1.)*omega)*hy+dyj; pz2=cos(float(i+1.)*omega)*hz+dzj; utils.chainedCylinder(begin=Vector3(pz,py,px), radius=0.02,end=Vector3(pz2,py2,px2),color=Vector3(0.6,0.5,0.5),material='cylindermat') if (i == Ne-1): #close the chain with a node of size 0 print "closing chain" b=utils.chainedCylinder(begin=Vector3(pz2,py2,px2), radius=0.02,end=Vector3(pz2,py2,px2),color=Vector3(0.6,0.5,0.5),material='cylindermat') b.state.blockedDOFs=['x','y','z','rx','ry','rz'] ChainedState.currentChain=ChainedState.currentChain+1 O.saveTmp()