Question #707210 on Yade changed:
https://answers.launchpad.net/yade/+question/707210
Yuri Bezmenov gave more information on the question:
Further I tried with mask option but it export all the bodies in
simulation
MWE:
from builtins import range
from yade import pack, geom, plot, export
from yade.gridpfacet import *
rate=-0.5 #1.66e-4
compFricDegree=30
finalFricDegree = 40
stabilityThreshold = 0.1
young = 5e6
mn, mx = Vector3(0, 0, 0), Vector3(0.9, 0.6, 0.6)
O.engines = [
ForceResetter(),
InsertionSortCollider([
Bo1_Sphere_Aabb(),
Bo1_GridConnection_Aabb(),
Bo1_Facet_Aabb(), Bo1_Wall_Aabb()
]),
InteractionLoop(
[ Ig2_Sphere_Sphere_ScGeom(),
Ig2_Facet_Sphere_ScGeom(), Ig2_Wall_Sphere_ScGeom(),
Ig2_Sphere_GridConnection_ScGridCoGeom(),
Ig2_GridNode_GridNode_GridNodeGeom6D(),
Ig2_GridConnection_GridConnection_GridCoGridCoGeom()],
[Ip2_CohFrictMat_CohFrictMat_CohFrictPhys(setCohesionNow=True,
setCohesionOnNewContacts=True), Ip2_FrictMat_FrictMat_FrictPhys()],
[Law2_ScGeom_FrictPhys_CundallStrack(),
Law2_ScGridCoGeom_FrictPhys_CundallStrack(),
Law2_GridCoGridCoGeom_FrictPhys_CundallStrack(),
Law2_ScGeom6D_CohFrictPhys_CohesionMoment(),]
),
GlobalStiffnessTimeStepper(timestepSafetyCoefficient=0.1, label='ts'),
NewtonIntegrator(gravity=(0,-10,0), damping=.5, label='newton'),
PyRunner(command='addPlotData()', iterPeriod=500),
#PyRunner(command='expo()', iterPeriod=500),
VTKRecorder(fileName='/files/Geogrid/paraview/pullout',
recorders=['all'], iterPeriod=500, mask=10),
VTKRecorder(fileName='/files/Geogrid/paraview1/pullout',
recorders=['all'], iterPeriod=500, mask=11),
]
def addPlotData():
plot.addData(
unbalanced=unbalancedForce(),
i=O.iter
)
plot.plots = {
'i':('unbalanced'),
}
plot.plot()
O.materials.append(FrictMat(young=young, poisson=0.5,
frictionAngle=radians(compFricDegree), density=2600, label='spheres'))
O.materials.append(FrictMat(young=young, poisson=0.5, frictionAngle=0,
density=0, label='walls'))
O.materials.append(CohFrictMat(young=1.325e8, poisson=0.40, density=900,
frictionAngle=radians(10), normalCohesion=1.1e8, shearCohesion=1.1e8,
momentRotationLaw=True, label='spheremat'))
L = 0.608 #length [m]
l = 0.304 #width [m]
nbL = 16+1 #number of nodes for the length [#]
nbl = 8+1 #number of nodes for the width [#]
r = 0.008/2 # L / 100. #radius
color = [255. / 255., 102. / 255., 0. / 255.]
nodesIds = []
for i in range(0, nbL):
for j in range(0, nbl):
nodesIds.append(O.bodies.append(gridNode([i*L/nbL, 0.3,
0.15+j*l/nbl], r, wire=False, fixed=False, material='spheremat', color=color)))
a=[]
b=[]
#Create connection between the nodes
for i in range(0, len(nodesIds)):
for j in range(i + 1, len(nodesIds)):
dist = (O.bodies[i].state.pos-O.bodies[j].state.pos).norm()
if (dist <= (L/nbL)*1.05):
O.bodies.append(gridConnection(i, j, r, color=color))
a=a+[(i,O.bodies[-1].id), (O.bodies[-1].id,j)]
b=b+[(i,j)]
O.bodies.append(geom.facetBox((.45, .5, .3), (.45, .5, .3), wallMask=55,
material='walls'))
sp = pack.SpherePack()
sp.makeCloud((0, 0, 0), (0.9, 0.2, 0.6), rMean=.05, rRelFuzz=.3)
sp.makeCloud((0, 0.4, 0), (0.9, 0.6, 0.6), rMean=.05, rRelFuzz=.3)
O.bodies.append([sphere(center, rad, material='spheres') for center, rad in sp])
for b in O.bodies:
if b.id<153:
b.groupMask=10
else:
if b.id<433:
b.groupMask=11
else:
b.groupMask=12
#vtkExporter =
export.VTKExporter('/home/harshal/files/Geogrid/paraview1/geogrid')
#def expo():
#vtkExporter.exportSpheres(what=dict(dist='b.state.pos.norm()',pos='b.state.pos'),
ids=range(0,433))
#vtkExporter.exportInteractions(what=dict(kn='i.phys.kn',
kr='i.phys.kr', ks='i.phys.ks'), ids=b) ###Here I replace a and b
# vtkExporter.exportContactPoints(what={'nn': 'i.geom.normal'})
# vtkExporter.exportPolyhedra(what=dict(n='b.state.pos.norm()'),
ids=plate.id)
O.run(10000,True)
for i in range (0,nbl):
O.bodies[i].state.blockedDOFs='x'
O.bodies[i].state.vel = (rate,0,0)
O.run(15000,True)
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