New question #189897 on Yade:
https://answers.launchpad.net/yade/+question/189897
Hi
I 'm writing a code to create packing with overlaps and a desired porosity but
not sure which compression engine is suitable for my purpose, Below is the code
:
sp=pack.SpherePack()
tr=TriaxialCompressionEngine()
## uniform distribution
sp.makeCloud((0,0,0),(2,2,2),rMean=.2,rRelFuzz=.3,periodic=True,num=20)
sp.toSimulation()
O.engines=[
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_L3Geom()],
[Ip2_FrictMat_FrictMat_FrictPhys()],
[Law2_L3Geom_FrictPhys_ElPerfPl()]
),
NewtonIntegrator(damping=.6),
TriaxialCompressionEngine(label='triax',
currentState=4,fixedPorosity=0.3,fixedPoroCompaction=True,
StabilityCriterion=0.001,UnbalancedForce=0.1
)
]
Apparently the triaxial compression engine is the only triaxial engine that
gives a fixed porosity at the end but I don't know if this works and what is
the syntax for getting the particles coordinates after the packing compressed
by the engine? export .text will export the makecloud coordinates not the
compressed one.
Thanks
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