yade-users team mailing list archive

[Pawel <question294845@xxxxxxxxxxxxxxxxxxxxx>]

New question #294845 on Yade:
https://answers.launchpad.net/yade/+question/294845

When I start 
yade-1.07.0 -j4 --performance four cores are working, but when I start my script it works only on one thread.

################################
################################
################################
# FUNCTIONAL COMPONENTS

# simulation loop -- see presentation for the explanation
O.engines=[
   PyRunner(command='SaveData()',virtPeriod=1./1000),
   ForceResetter(),
   VppNeighbours(),
   VppPressureForce(),
   PyRunner(command='ChangeMask()',iterPeriod=1),
   PyRunner(command='ChangePos()',iterPeriod=1),
   PyRunner(command='ChangePosFoil()',iterPeriod=1),
   PyRunner(command='PreChangePos()',iterPeriod=1),
   PyRunner(command='PressureOn()',iterPeriod=1),
   PyRunner(command='PressureTimeOn()',iterPeriod=1),
     InsertionSortCollider([Bo1_Sphere_Aabb(aabbEnlargeFactor=1),Bo1_Wall_Aabb(),Bo1_Facet_Aabb()]),
  InteractionLoop(
		[Ig2_Sphere_Sphere_ScGeom6D(interactionDetectionFactor=1.2),
		Ig2_Wall_Sphere_ScGeom(),Ig2_Facet_Sphere_ScGeom6D()],
		[Ip2_FrictMat_FrictMat_FrictPhys(),
		Ip2_CohFrictMat_CohFrictMat_CohFrictPhys(setCohesionNow=False,setCohesionOnNewContacts=False),
		VppIp2_VppCohFrictMat_VppCohFrictMat_CohFrictPhys(setCohesionNow=True,setCohesionOnNewContacts=False),
		VppIp2_CohFrictMat_VppCohFrictMat_CohFrictPhys(setCohesionNow=False,setCohesionOnNewContacts=False)#,
		#VppPressure_VppCohFrictMat_VppCohFrictMat()
		],
		[Law2_ScGeom_FrictPhys_CundallStrack(),
		VppLaw2_ScGeom6D_CohFrictPhys_CohesionMoment(
			useIncrementalForm=False, #useIncrementalForm is turned on as we want plasticity on the contact moments
			always_use_moment_law=True, #if we want "rolling" friction even if the contact is not cohesive (or cohesion is broken), we will have to turn this true somewhere
			shearBreaksCohesion = False,
			label='cohesiveLaw')]
	),
   # apply gravity force to particles
   GravityEngine(gravity=(0,0,-9.81)),
   # damping: numerical dissipation of energy
   NewtonIntegrator(damping=0.2)
]

# set timestep to a fraction of the critical timestep
# the fraction is very small, so that the simulation is not too fast
# and the motion can be observed
O.dt=utils.PWaveTimeStep()

# save the simulation, so that it can be reloaded later, for experimentation
O.saveTmp()
yade.qt.Controller(), yade.qt.View();

-- 
You received this question notification because your team yade-users is
an answer contact for Yade.